HomeMy WebLinkAboutBaker Industrial _PWQMP_PC1Project Specific Water Quality Management Plan
A Template for Projects located within the Santa Ana Watershed Region of Riverside County
Project Title: Baker Industrial
Development No:Tract 38812
Design Review/Case No:
JURUPA _ -VALLEY
CALIMESA
EASTVALE'
RlVgSIOE BEAUMONT
NORCO
MORENOVALLEY
CORONA
PERRIS
SAN JAJINTO
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CAN,ONLAKE MENIFEEE
LAKEELSIN R
1.1 LOOMAR
Contact Information:
Prepared for:
Preliminary Riverside Legacy IV Nichols Road, LLC
Final 1505 Bridgeway,Suite 107
Sausalito, CA 94965
Original Date Prepared: 8-14-2023 617)877-7637
Revision Date(s): Prepared by:
KWC Engineers
Prepared for Compliance with 1880 Compton Ave., Suite 100
Regional Board Order No. 118-2010-0033 Corona, CA 92881
Template revised June 30, 2016
Brandon Barnett, P.E.
951)734-2130
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A Brief Introduction
This Project-Specific WQMP Template for the Santa Ana Region has been prepared to help guide you in
documenting compliance for your project. Because this document has been designed to specifically
document compliance, you will need to utilize the WQMP Guidance Document as your "how-to" manual
to help guide you through this process. Both the Template and Guidance Document go hand-in-hand, and
will help facilitate a well prepared Project-Specific WQMP. Below is a flowchart for the layout of this
Template that will provide the steps required to document compliance.
r
Section A Section B Section C
Project and Site Optimize Site Delineate Drainage
Information Utilization Management Areas
DMAs)
L
Section F Section E Section D
Hydromodification Alternative Implement LID
Compliance BMPs
l
Section G Section H Section I
Source Control Construction Plan Operation,
BMPs Checklist Maintenance, and
Funding
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OWNER'S CERTIFICATION
This Project-Specific Water Quality Management Plan (WQMP) has been prepared for Riverside Legacy IV Nichols
Road, LLC by KWC Engineers for the Baker Industrial project.
This WQMP is intended to comply with the requirements of The City of Lake Elsinore for Ordinance 1004(Municipal
Code 14.08)which includes the requirement for the preparation and implementation of a Project-Specific WQMP.
The undersigned,while owning the property/project described in the preceding paragraph, shall be responsible for
the implementation and funding of this WQMP and will ensure that this WQMP is amended as appropriate to reflect
up-to-date conditions on the site. In addition,the property owner accepts responsibility for interim operation and
maintenance of Stormwater BMPs until such time as this responsibility is formally transferred to a subsequent
owner.This WQMP will be reviewed with the facility operator,facility supervisors,employees,tenants,maintenance
and service contractors, or any other party (or parties) having responsibility for implementing portions of this
WQMP. At least one copy of this WQMP will be maintained at the project site or project office in perpetuity. The
undersigned is authorized to certify and to approve implementation of this WQMP. The undersigned is aware that
implementation of this WQMP is enforceable under The City of Lake Elsinore Water Quality Ordinance (Municipal
Code Section 14.08).
I,the undersigned,certify under penalty of law that the provisions of this WQMP have been reviewed and accepted
and that the WQMP will be transferred to future successors in interest."
Owner's Signature Date
Trygg Danforth Director of Real Estate
Owner's Printed Name Owner's Title/Position
PREPARER'S CERTIFICATION
The selection, sizing and design of stormwater treatment and other stormwater quality and quantity control
measures in this plan meet the requirements of Regional Water Quality Control Board Order No. 1118-2010-0033 and
any subsequent amendments thereto."
Preparer's Signature Date
Preparer's Printed Name Preparer's Title/Position
Preparer's Licensure:
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Table of Contents
Section A: Project and Site Information........................................................................................................6
A.1 Maps and Site Plans............................................................................................................................6
A.2 Identify Receiving Waters...................................................................................................................7
A.3 Additional Permits/Approvals required for the Project: ....................................................................7
Section B: Optimize Site Utilization (LID Principles) .....................................................................................9
Section C: Delineate Drainage Management Areas (DMAs).......................................................................11
Section D: Implement LID BMPs.................................................................................................................12
D.1 Infiltration Applicability....................................................................................................................12
D.2 Harvest and Use Assessment............................................................................................................14
D.3 Bioretention and Biotreatment Assessment....................................................................................16
D.4 Feasibility Assessment Summaries...................................................................................................17
D.5 LID BMP Sizing ..................................................................................................................................18
Section E: Alternative Compliance (LID Waiver Program)..........................................................................20
E.1 Identify Pollutants of Concern ..........................................................................................................21
E.2 Stormwater Credits...........................................................................................................................22
E.3 Sizing Criteria.....................................................................................................................................22
E.4 Treatment Control BMP Selection....................................................................................................23
SectionF: Hydromodification .....................................................................................................................24
F.1 Hydrologic Conditions of Concern (HCOC)Analysis..........................................................................24
F.2 HCOC Mitigation................................................................................................................................25
Section G: Source Control BMPs.................................................................................................................26
Section H: Construction Plan Checklist.......................................................................................................29
Section I: Operation, Maintenance and Funding........................................................................................30
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List of Tables
Table A.1 Identification of Receiving Waters................................................................................................7
Table A.2 Other Applicable Permits..............................................................................................................7
Table C.1 DMA Classifications.....................................................................................................................11
Table C.2 Type 'A', Self-Treating Areas.......................................................................................................11
Table C.3 Type 'B', Self-Retaining Areas .....................................................................................................11
Table C.4 Type 'C', Areas that Drain to Self-Retaining Areas......................................................................12
Table C.5 Type 'D', Areas Draining to BMPs ...............................................................................................12
Table D.1 Infiltration Feasibility..................................................................................................................13
Table D.2 LID Prioritization Summary Matrix .............................................................................................17
Table D.3 DCV Calculations for LID BMPs...................................................................................................18
Table E.1 Potential Pollutants by Land Use Type........................................................................................21
Table E.2 Water Quality Credits..................................................................................................................22
Table E.3 Treatment Control BMP Sizing....................................................................................................22
Table E.4 Treatment Control BMP Selection ..............................................................................................23
Table F.1 Hydrologic Conditions of Concern Summary ..............................................................................24
Table G.1 Permanent and Operational Source Control Measures................ Error! Bookmark not defined.
Table H.1 Construction Plan Cross-reference.............................................................................................29
List of Appendices
Appendix1: Maps and Site Plans................................................................................................................31
Appendix 2: Construction Plans..................................................................................................................32
Appendix3: Soils Information.....................................................................................................................33
Appendix 4: Historical Site Conditions........................................................................................................34
Appendix 5: LID Infeasibility........................................................................................................................35
Appendix6: BMP Design Details.................................................................................................................36
Appendix7: Hydromodification..................................................................................................................37
Appendix8: Source Control ........................................................................................................................38
Appendix9: O&M .......................................................................................................................................39
Appendix 10: Educational Materials.........................................................................................................-6-
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Section A: Project and Site Information
PROJECT INFORMATION
Type of Project: Industrial
Planning Area: General Manufacturing District
Community Name: City of Lake Elsinore
Development Name: Baker Industrial
PROJECT LOCATION
Latitude&Longitude(DMS): 33 42'N, 117'21'W
Project Watershed and Sub-Watershed:Santa Ana River Watershed and Temescal Creek Reach 5
Gross Acres: 66.23
APN(s): 378-020-014,-015,-016,-028,-029,-030,-031,-036,-048
Map Book and Page No.: N/A
PROJECT CHARACTERISTICS
Proposed or Potential Land Use(s) Industrial
Proposed or Potential SIC Code(s)N/A
Area of Impervious Project Footprint(SF) 1,969,256
Total Area of proposed Impervious Surfaces within the Project Footprint(SF)/or Replacement 1,969,256
Does the project consist of offsite road improvements? Y N
Does the project propose to construct unpaved roads? Y ® N
Is the project part of a larger common plan of development(phased project)? Y ® N
EXISTING SITE CHARACTERISTICS
Total area of existing Impervious Surfaces within the Project limits Footprint(SF) 0
Is the project located within any MSHCP Criteria Cell?Y N
If so, identify the Cell number: 4166
Are there any natural hydrologic features on the project site? Y N
Is a Geotechnical Report attached? Y ® N
If no Geotech. Report, list the NRCS soils type(s) present on the site(A, B,C and/or D) Soil Type C& D
What is the Water Quality Design Storm Depth for the project? 0.68
Project Description
The Baker Industrial project is comprised of 66.23 acres of developed land along Baker Street in the City of Lake Elsinore in Riverside
County,California,adjacent to Pierce Street. Appendix A shows a vicinity map of the area illustrating the location of the project.
The Baker Industrial project is generally bounded to the northeast by Baker Street.Bounded on the northwest by Pierce Street.To the
southeast and southwest of the site,the area is bounded by undeveloped hills.
The project site existing conditions is generally flat with some hills coming onto the site along the southern boundary.The existing
project gross acreage is 66.23 acres.The site's drainage area flows from the south and southwest to the north and northeast to the
north side of Baker Street. Two new buildings are proposed, building 1 is 207,550 sf and building 2 is 778,720 sf, landscape areas,
driveways,and parking lots.
The proposed buildings will consist of a warehouse and connected office space with the necessary improvements to facilitate business.
The offsite drainage areas will be captured with a flow-by basin and a debris basin routed through storm drain before discharging at
their historical locations on the north side of baker street. The onsite drainage areas will be captured and treated by underground
infiltration chambers.
Baker Street will be improved on the project frontage.The full width drainage of the street will be captured within the catch basin at
the low points of Baker Street.The flows will continue into MWS units within Baker Street.
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A.1 Maps and Site Plans
When completing your Project-Specific WQMP, include a map of the local vicinity and existing site. In
addition, include all grading, drainage, landscape/plant palette and other pertinent construction plans in
Appendix 2.At a minimum,your WQMP Site Plan should include the following:
Drainage Management Areas Source Control BMPs
Proposed Structural BMPs Buildings, Roof Lines, Downspouts
Drainage Path Impervious Surfaces
Drainage Infrastructure, Inlets, Overflows Standard Labeling
BMP Locations (Lat/Long)
Use your discretion on whether or not you may need to create multiple sheets or can appropriately
accommodate these features on one or two sheets. Keep in mind that the Co-Permittee plan reviewer
must be able to easily analyze your project utilizing this template and its associated site plans and maps.
A.2 Identify Receiving Waters
Using Table A.1 below, list in order of upstream to downstream,the receiving waters that the project site
is tributary to. Continue to fill each row with the Receiving Water's 303(d) listed impairments (if any),
designated beneficial uses, and proximity, if any,to a RARE beneficial use. Include a map of the receiving
waters in Appendix 1.
Table A.1 Identification of Receiving Waters
Proximity to
Receiving Waters EPA Approved 303(d) List Impairments
Designated RARE
Beneficial Uses Beneficial
Use
Temescal Creek MUN, AGR, GWR, REC1, REC2,
Channel Reaches 5-6
Indicator Bacteria
WARM,WILD,RARE
Lake Elsinore
Nutrients, Orgqanic Enrichment/Low Dissolved Oxygen, AGR,GWR,REC1,REC2,WARM,
PCBs,Sediment Toxicity,Unknown Toxicity WILD
A.3 Additional Permits/Approvals required for the Project:
Table A.2 Other Applicable Permits
Agency Permit Required
State Department of Fish and Game, 1602 Streambed Alteration Agreement Y ® N
State Water Resources Control Board, Clean Water Act(CWA)Section 401 Water Quality Cert. Y ® N
US Army Corps of Engineers, CWA Section 404 Permit Y ® N
US Fish and Wildlife, Endangered Species Act Section 7 Biological Opinion Y ® N
Statewide Construction General Permit Coverage Y N
Statewide Industrial General Permit Coverage Y N
Western Riverside MSHCP Consistency Approval (e.g.,JPR, DBESP) Y N
Other(please list in the space below as required)
Y N
City of Lake Elsinore Grading, Improvements, and Building Permits.
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If yes is answered to any of the questions above, the Co-Permittee may require proof of
approval/coverage from those agencies as applicable including documentation of any associated
requirements that may affect this Project-Specific WQMP.
8 -
Section 6: Optimize Site Utilization (LID Principles)
Review of the information collected in Section 'A' will aid in identifying the principal constraints on site
design and selection of LID BMPs as well as opportunities to reduce imperviousness and incorporate LID
Principles into the site and landscape design. For example,constraints might include impermeable soils,
high groundwater, groundwater pollution or contaminated soils, steep slopes, geotechnical instability,
high-intensity land use, heavy pedestrian or vehicular traffic, utility locations or safety concerns.
Opportunities might include existing natural areas, low areas,oddly configured or otherwise unbuildable
parcels, easements and landscape amenities including open space and buffers (which can double as
locations for bioretention BMPs), and differences in elevation (which can provide hydraulic head).
Prepare a brief narrative for each of the site optimization strategies described below. This narrative will
help you as you proceed with your LID design and explain your design decisions to others.
The 2010 Santa Ana MS4 Permit further requires that LID Retention BMPs(Infiltration Only or Harvest and
Use) be used unless it can be shown that those BMPs are infeasible. Therefore, it is important that your
narrative identify and justify if there are any constraints that would prevent the use of those categories
of LID BMPs. Similarly, you should also note opportunities that exist which will be utilized during project
design. Upon completion of identifying Constraints and Opportunities, include these on your WQMP Site
plan in Appendix 1.
Consideration of "highest and best use" of the discharge should also be considered. For example, Lake
Elsinore is evaporating faster than runoff from natural precipitation can recharge it. Requiring infiltration
of 85%of runoff events for projects tributary to Lake Elsinore would only exacerbate current water quality
problems associated with Pollutant concentration due to lake water evaporation. In cases where rainfall
events have low potential to recharge Lake Elsinore (i.e. no hydraulic connection between groundwater
to Lake Elsinore, or other factors), requiring infiltration of Urban Runoff from projects is
counterproductive to the overall watershed goals. Project proponents, in these cases, would be allowed
to discharge Urban Runoff, provided they used equally effective filtration based BMPs.
Site Optimization
The following questions are based upon Section 3.2 of the WQMP Guidance Document. Review of the
WQMP Guidance Document will help you determine how best to optimize your site and subsequently
identify opportunities and/or constraints, and document compliance.
Did you identify and preserve existing drainage patterns? If so, how? If not, why?
Yes. Pre-project site drains north-easterly into Temescal Creek. There will be no impact to Temescal Creek
in the proposed conditions, as the site will detained, treated, and outletted at locations similar to existing
condition flows.
Did you identify and protect existing vegetation? If so, how? If not,why?
Yes.Some existing vegetation will be preserved during site improvements in the natural open space areas.
Did you identify and preserve natural infiltration capacity? If so, how? If not,why?
Yes. The natural open space areas will preserve their natural infiltration by not disturbing the existing
drainage patterns.
Did you identify and minimize impervious area? If so, how? If not,why?
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The proposed impervious areas incorporate landscaped areas within the site to increase infiltration, as
well as use of underground chambers for infiltrating captured onsite water.
Did you identify and disperse runoff to adjacent pervious areas? If so, how? If not, why?
Yes, roof runoff has been designed to drain into pervious landscape areas prior to discharge onto streets.
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Section C: Delineate Drainage Management Areas
DMAs)
Utilizing the procedure in Section 3.3 of the WQMP Guidance Document which discusses the methods of
delineating and mapping your project site into individual DMAs, complete Table CA below to
appropriately categorize the types of classification (e.g., Type A, Type B, etc.) per DMA for your project
site. Upon completion of this table, this information will then be used to populate and tabulate the
corresponding tables for their respective DMA classifications.
Table C.1 DMA Classifications
DMA Name or ID Surface Type(s)12 Area(Sq. Ft.) DMA Type
DMA A Roofs 206,982 Type D
Concrete 190,002
Landscape 54,162
DMA B Roofs 282,014 Type D
Concrete 241,295
Landscape 150,599
DMA C Roofs 496,409 Type D
Concrete 552,554
Landscape 259,968
Reference Table 2-1 in the WQMP Guidance Document to populate this column
zlf multi-surface provide back-up
Table C.2 Type`A',Self-Treating Areas
DMA Name or ID Area(Sq. Ft.) Stabilization Type Irrigation Type(if any)
Table C.3 Type`B',Self-Retaining Areas
Type `C' DMAs that are draining to the Self-Retaining
Self-Retaining Area Area
Area
Storm
square Depth Required Retention Depth
DMA
Post-project
feet) inches)
DMA Name /[
C]from Table CA=(inches)
Name/ID Isurfacetype [A] B] ID C] D]
D] = [B] + [
B] [C]
A]
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Table C.4 Type'C',Areas that Drain to Self-Retaining Areas
DMA Receiving Self-Retaining DMA
o
o
a)
a) > c
E a,
a
a, °Area (square
M o — CL U
z a a) E Product feet) Ratio
o [
A] 5 [B]C]=[A]x[B] DMA name/ID [D] C]/[D]
Table C.5 Type`D',Areas Draining to BMPs
DMA Name or ID BMP Name or ID
DMA A Underground Chamber
DMA B Underground Chamber
DMA C Underground Chamber
Note: More than one drainage management area can drain to a single LID BMP, however, one
drainage management area may not drain to more than one BMP.
Section D: Implement LID BMPs
D.1 Infiltration Applicability
Is there an approved downstream 'Highest and Best Use'for stormwater runoff(see discussion in Chapter
2.4.4 of the WQMP Guidance Document for further details)? Y ON
If yes has been checked, Infiltration BMPs shall not be used for the site; proceed to section D.3
If no, continue working through this section to implement your LID BMPs. It is recommended that you
contact your Co-Permittee to verify whether or not your project discharges to an approved downstream
Highest and Best Use'feature.
Geotechnical Report
A Geotechnical Report or Phase I Environmental Site Assessment may be required by the Co-permittee to
confirm present and past site characteristics that may affect the use of Infiltration BMPs. In addition,the
Co-Permittee, at their discretion, may not require a geotechnical report for small projects as described in
12 -
Chapter 2 of the WQMP Guidance Document. If a geotechnical report has been prepared, include it in
Appendix 3. In addition, if a Phase I Environmental Site Assessment has been prepared, include it in
Appendix 4.
Is this project classified as a small project consistent with the requirements of Chapter 2 of the WQMP
Guidance Document? Y ® N
Infiltration Feasibility
Table D.1 below is meant to provide a simple means of assessing which DMAs on your site support
Infiltration BMPs and is discussed in the WQMP Guidance Document in Chapter 2.4.5. Check the
appropriate box for each question and then list affected DMAs as applicable. If additional space is needed,
add a row below the corresponding answer.
Table D.1 Infiltration Feasibility
Does the project site... YES No
have any DMAs with a seasonal high groundwater mark shallower than 10 feet? X
If Yes,list affected DMAs:
have any DMAs located within 100 feet of a water supply well? X
If Yes,list affected DMAs:
have any areas identified by the geotechnical report as posing a public safety risk where infiltration of stormwater X
could have a negative impact?
If Yes,list affected DMAs:
have measured in-situ infiltration rates of less than 1.6 inches/hour? X
If Yes,list affected DMAs:
have significant cut and/or fill conditions that would preclude in-situ testing of infiltration rates at the final X
infiltration surface?
If Yes,list affected DMAs:
geotechnical report identify other site-specific factors that would preclude effective and safe infiltration? X
Describe here:
If you answered "Yes" to any of the questions above for any DMA, Infiltration BMPs should not be used
for those DMAs and you should proceed to the assessment for Harvest and Use below.
See Appendix 6 for additional information on Infiltration feasibility.
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D.2 Harvest and Use Assessment
Please check what applies:
Reclaimed water will be used for the non-potable water demands for the project.
Downstream water rights may be impacted by Harvest and Use as approved by the Regional
Board (verify with the Co-permittee).
OThe Design Capture Volume will be addressed using Infiltration Only BMPs. In such a case,
Harvest and Use BMPs are still encouraged, but it would not be required if the Design Capture
Volume will be infiltrated or evapotranspired.
If any of the above boxes have been checked, Harvest and Use BMPs need not be assessed for the site. If
none of the above criteria applies, follow the steps below to assess the feasibility of irrigation use, toilet
use and other non-potable uses (e.g., industrial use).
Irrigation Use Feasibility
Complete the following steps to determine the feasibility of harvesting stormwater runoff for Irrigation
Use BMPs on your site:
Step 1: Identify the total area of irrigated landscape on the site, and the type of landscaping used.
Total Area of Irrigated Landscape: 10.67 AC
Type of Landscaping (Conservation Design or Active Turf): Conservation Design
Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff
might be feasibly captured and stored for irrigation use. Depending on the configuration of
buildings and other impervious areas on the site,you may consider the site as a whole, or parts
of the site, to evaluate reasonable scenarios for capturing and storing runoff and directing the
stored runoff to the potential use(s) identified in Step 1 above.
Total Area of Impervious Surfaces:45.21 AC
Step 3: Cross reference the Design Storm depth for the project site (see Exhibit A of the WQMP
Guidance Document)with the left column of Table 2-3 in Chapter 2 to determine the minimum
area of Effective Irrigated Area per Tributary Impervious Area (EIATIA).
Enter your EIATIA factor: 1.21
Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to
develop the minimum irrigated area that would be required.
Minimum required irrigated area: 54.70 AC
Step 5: Determine if harvesting stormwater runoff for irrigation use is feasible for the project by
comparing the total area of irrigated landscape (Step 1)to the minimum required irrigated area
Step 4).
Minimum required irrigated area (Step 4)Available Irrigated Landscape(Step 1)
54.70 AC 10.67 AC
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Toilet Use Feasibility
Complete the following steps to determine the feasibility of harvesting stormwater runoff for toilet
flushing uses on your site:
Step 1: Identify the projected total number of daily toilet users during the wet season, and account for
any periodic shutdowns or other lapses in occupancy:
Projected Number of Daily Toilet Users:Z400
Project Type:Industrial
Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff
might be feasibly captured and stored for toilet use. Depending on the configuration of
buildings and other impervious areas on the site,you may consider the site as a whole, or parts
of the site, to evaluate reasonable scenarios for capturing and storing runoff and directing the
stored runoff to the potential use(s) identified in Step 1 above.
Total Area of Impervious Surfaces:45.21 AC
Step 3: Enter the Design Storm depth for the project site (see Exhibit A) into the left column of Table 2-
2 in Chapter 2 to determine the minimum number or toilet users per tributary impervious acre
TUTIA).
Enter your TUTIA factor: 193
Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to
develop the minimum number of toilet users that would be required.
Minimum number of toilet users:8,725
Step 5: Determine if harvesting stormwater runoff for toilet flushing use is feasible for the project by
comparing the Number of Daily Toilet Users (Step 1)to the minimum required number of toilet
users (Step 4).
Minimum required Toilet Users(Step 4)Projected number of toilet users(Step 1)
8,725 2,400
Other Non-Potable Use Feasibility
Are there other non-potable uses for stormwater runoff on the site (e.g. industrial use)?See Chapter 2 of
the Guidance for further information. If yes, describe below. If no,write N/A.
N/A
Step 1: Identify the projected average daily non-potable demand, in gallons per day, during the wet
season and accounting for any periodic shutdowns or other lapses in occupancy or operation.
Average Daily Demand:28,800 gpd
Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff
might be feasibly captured and stored for the identified non-potable use. Depending on the
configuration of buildings and other impervious areas on the site, you may consider the site as
a whole, or parts of the site, to evaluate reasonable scenarios for capturing and storing runoff
and directing the stored runoff to the potential use(s) identified in Step 1 above.
Total Area of Impervious Surfaces:45.21 AC
15 -
Step 3: Enter the Design Storm depth for the project site (see Exhibit A) into the left column of Table 2-
4 in Chapter 2 to determine the minimum demand for non-potable uses per tributary
impervious acre.
Enter the factor from Table 2-4:1,060
Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to
develop the minimum number of gallons per day of non-potable use that would be required.
Minimum required use:47,923 gpd
Step 5: Determine if harvesting stormwater runoff for other non-potable use is feasible for the project
by comparing the projected average daily use (Step 1) to the minimum required non-potable
use (Step 4).
Minimum required non-potable use (Step 4) Projected average daily use(Step 1)
47,923 gpd 28,800 gpd
If Irrigation, Toilet and Other Use feasibility anticipated demands are less than the applicable minimum
values, Harvest and Use BMPs are not required and you should proceed to utilize LID Bioretention and
Biotreatment per Section 3.4.2 of the WQMP Guidance Document.
D.3 Bioretention and Biotreatment Assessment
Other LID Bioretention and Biotreatment BMPs as described in Chapter 2.4.7 of the WQMP Guidance
Document are feasible on nearly all development sites with sufficient advance planning.
Select one of the following:
LID Bioretention/Biotreatment BMPs will be used for some or all DMAs of the project as noted
below in Section D.4 (note the requirements of Section 3.4.2 in the WQMP Guidance Document).
0 A site-specific analysis demonstrating the technical infeasibility of all LID BMPs has been
performed and is included in Appendix 5. If you plan to submit an analysis demonstrating the
technical infeasibility of LID BMPs, request a pre-submittal meeting with the Co-permittee to
discuss this option. Proceed to Section E to document your alternative compliance measures.
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D.4 Feasibility Assessment Summaries
From the Infiltration, Harvest and Use, Bioretention and Biotreatment Sections above,complete Table D.2
below to summarize which LID BMPs are technically feasible, and which are not, based upon the
established hierarchy.
Table D.2 LID Prioritization Summary Matrix
LID BMP Hierarchy No LID
Alternative
DMA Name/ID 1. Infiltration 2. Harvest and use 3. Bioretention 4. Biotreatment Compliance)
DMA A
DMA B
DMAC
El El El
For those DMAs where LID BMPs are not feasible, provide a brief narrative below summarizing why they
are not feasible, include your technical infeasibility criteria in Appendix 5, and proceed to Section E below
to document Alternative Compliance measures for those DMAs. Recall that each proposed DMA must
pass through the LID BMP hierarchy before alternative compliance measures may be considered.
No alternative compliance measures were studied or used for this project.
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D.5 LID BMP Sizing
Each LID BMP must be designed to ensure that the Design Capture Volume will be addressed by the
selected BMPs. First, calculate the Design Capture Volume for each LID BMP using the VBMP worksheet in
Appendix F of the LID BMP Design Handbook.Second,design the LID BMP to meet the required VBMP using
a method approved by the Co-permittee. Utilize the worksheets found in the LID BMP Design Handbook
or consult with your Co-permittee to assist you in correctly sizing your LID BMPs. Complete Table D.3
below to document the Design Capture Volume and the Proposed Volume for each LID BMP. Provide the
completed design procedure sheets for each LID BMP in Appendix 6. You may add additional rows to the
table below as needed.
Table D.3 DCV Calculations for LID BMPs
DMA
Underground Chamber
Area Post-Project Effective DMA DMA Areas
DMA square Surface Impervious Runoff x Runoff
Type/ID feet) Type Fraction,If Factor Factor
DMA A A] B] C] A]x [C]
Roofs 206,982 Roofs 1 0.89 184,627.9
Concrete 190,002 Concrete or 1 0.892 169,481.8
Asphalt
Landscape 54,162 Ornamental 0.1 0.1104558 5,982.6 Design
Landscaping Capture
Design Volume,
Rainfall VBMP Proposed
Intensity (cubic Flow
in/hr) feet) Rate(cfs)
AT = F=
451,146 360,092.3
0.68 20,405.2 21,481
Table DA DCV Calculations for LID BMPs
DMA
Area Post-Project Effective DMA DMA Areas
Underground Chamber
DMA square Surface ImperviousqP Runoff x Runoff
Type/ID feet) Type Fraction,If Factor Factor
DMA B A] B] C] A]x [C]
Roofs 28ZO14 Roofs 1 0.89 251,556.5
Concrete 241,295 Concrete or 1 0.892 215,235.1
Asphalt
Landscape 150,599 Ornamental 0.1 0.1104558 16,634.9 Design
Landscaping Capture
Design Volume,
Rainfall VBMP Proposed
Intensity (cubic Flow
in/hr) feet) Rate(cfs)
AT = F=
673,908 483,426.5
0.68 27,394.2 28,295
18-
Table D.5 DCV Calculations for LID BMPs
DMA
Underground Chamber
Area Post-Project Effective DMA DMA Areas
DMA square Surface Impervious Runoff x Runoff
Type/ID feet) Type Fraction,If Factor Factor
DMA C A] B] C] A]x [C]
Roofs 496,409 Roofs 1 0.89 442,796.8
Concrete 552,554 Concrete or 1 0.892 492,878.2
Asphalt
Landscape 259,968 Ornamental 0.1 0.1104558 28,715.5 Design
Landscaping Capture
Design Volume, Proposed
Rainfall VBMP Flow
Intensity (cubic Rate
in/hr) feet)cfs)
AT
1,308,931 964,390.5
0.68 54,648.8 55,405
B], [C]is obtained as described in Section 2.3.1 of the WQMP Guidance Document
E]is obtained from Exhibit A in the WQMP Guidance Document
G]is obtained from a design procedure sheet,such as in LID BMP Design Handbook and placed in Appendix 6
19 -
Section E: Alternative Compliance (LID Waiver Program)
LID BMPs are expected to be feasible on virtually all projects. Where LID BMPs have been demonstrated
to be infeasible as documented in Section D, other Treatment Control BMPs must be used (subject to LID
waiver approval by the Co-permittee). Check one of the following boxes:
X LID Principles and LID BMPs have been incorporated into the site design to fully address all
Drainage Management Areas. No alternative compliance measures are required for this project
and thus this Section is not required to be completed.
Or -
The following Drainage Management Areas are unable to be addressed using LID BMPs.A site-
specific analysis demonstrating technical infeasibility of LID BMPs has been approved by the Co-
Permittee and included in Appendix 5.Additionally, no downstream regional and/or sub-regional
LID BMPs exist or are available for use by the project. The following alternative compliance
measures on the following pages are being implemented to ensure that any pollutant loads
expected to be discharged by not incorporating LID BMPs, are fully mitigated.
20-
EA Identify Pollutants of Concern
Utilizing Table A.1 from Section A above which noted your project's receiving waters and their associated
EPA approved 303(d) listed impairments, cross reference this information with that of your selected
Priority Development Project Category in Table E.1 below. If the identified General Pollutant Categories
are the same as those listed for your receiving waters, then these will be your Pollutants of Concern and
the appropriate box or boxes will be checked on the last row. The purpose of this is to document
compliance and to help you appropriately plan for mitigating your Pollutants of Concern in lieu of
implementing LID BMPs.
Table EA Potential Pollutants by Land Use Type
Priority Development General Pollutant Categories
Project Categories and/or Toxic
Project Features (check those Bacterial
Metals Nutrients Pesticides Organic Sediments
Trash & Oil &
that apply)
Indicators
Compounds
Debris Grease
Detached Residential
P N P P N P P P
Development
Attached Residential 2)
Development
P N P P N P P P
Commercial/Industrial
P(3)P PM PM P(5) P(') P P
Development
Automotive Repair
N P N N P(4,5) N P P
Shops
Restaurants
P N N N N N P P
5,000 ft2)
Hillside Development
P N P P N P P P
5,000 ft2)
Parking Lots
P(6)P P(')PM P(4) PM P P
5,000 ft2)
Retail Gasoline Outlets N P N N P N P P
Project Priority Pollutant(s)
of Concern
P=Potential
N=Not Potential
A potential Pollutant if non-native landscaping exists or is proposed onsite;otherwise not expected
2)A potential Pollutant if the project includes uncovered parking areas;otherwise not expected
3)A potential Pollutant is land use involving animal waste
4)Specifically petroleum hydrocarbons
5)Specifically solvents
1)Bacterial indicators are routinely detected in pavement runoff
21 -
E.2 Stormwater Credits
Projects that cannot implement LID BMPs but nevertheless implement smart growth principles are
potentially eligible for Stormwater Credits. Utilize Table 3-8 within the WQMP Guidance Document to
identify your Project Category and its associated Water Quality Credit. If not applicable, write N/A.
Table E.2 Water Quality Credits
Qualifying Project Categories Credit Percentage
N/A
Total Credit Percentage'
Cannot Exceed 50%
2Obtain corresponding data from Table 3-8 in the WQMP Guidance Document
E.3 Sizing Criteria
After you appropriately considered Stormwater Credits for your project, utilize Table E.3 below to
appropriately size them to the DCV, or Design Flow Rate, as applicable. Please reference Chapter 3.5.2 of
the WQMP Guidance Document for further information.
Table E.3 Treatment Control BMP Sizing
DMA Post- DMA
Area Project Effective DMA Area x
DMA (square Surface Impervious Runoff Runoff Enter BMP Name/Identifier Here
Type/ID feet) Type Fraction,If Factor Factor
A] B] C] A]x [C]
Minimum Proposed
Design Volume
Capture Total Storm or Flow
Design Volume or Water on Plans
Storm Design Flow Credit % (cubic
Depth Rate (cubic Reduction feet or
in) feet or cfs) cfs)
AT =
F= [D] [E]F] _ [
D[
G]
E]
F] X(1-[H]) [1]
F[A]
B],[C]is obtained as described in Section 2.3.1 from the WQMP Guidance Document
E] is for Flow-Based Treatment Control BMPs[E] _.2,for Volume-Based Control Treatment BMPs, [E] obtained from Exhibit A in the WQMP
Guidance Document
G]is for Flow-Based Treatment Control BMPs[G]=43,560,for Volume-Based Control Treatment BMPs,[G]=12
H]is from the Total Credit Percentage as Calculated from Table E.2 above
1]as obtained from a design procedure sheet from the BMP manufacturer and should be included in Appendix 6
22 -
EA Treatment Control BMP Selection
Treatment Control BMPs typically provide proprietary treatment mechanisms to treat potential pollutants
in runoff, but do not sustain significant biological processes.Treatment Control BMPs must have a removal
efficiency of a medium or high effectiveness as quantified below:
High: equal to or greater than 80% removal efficiency
Medium: between 40%and 80% removal efficiency
Such removal efficiency documentation (e.g., studies, reports, etc.) as further discussed in Chapter 3.5.2
of the WQMP Guidance Document, must be included in Appendix 6. In addition, ensure that proposed
Treatment Control BMPs are properly identified on the WQMP Site Plan in Appendix 1.
Table EA Treatment Control BMP Selection
Selected Treatment Control BMP Priority Pollutant(s) of Removal Efficiency
Name or ID1 Concern to Mitigate Percentage
Underground Chamber Bacteria, Metals, Nutrients, Medium
Pesticides,Toxic Organic,
Compounds, Sediment,
Trash and Debris, Oil and
Grease
Treatment Control BMPs must not be constructed within Receiving Waters.In addition,a proposed Treatment Control BMP may be
listed more than once if they possess more than one qualifying pollutant removal efficiency.
Z Cross Reference Table E.1 above to populate this column.
a As documented in a Co-Permittee Approved Study and provided in Appendix 6.
23 -
Section F: Hydromodification
F.1 Hydrologic Conditions of Concern (HCOC)Analysis
Once you have determined that the LID design is adequate to address water quality requirements, you
will need to assess if the proposed LID Design may still create a HCOC. Review Chapters 2 and 3 (including
Figure 3-7) of the WQMP Guidance Document to determine if your project must mitigate for
Hydromodification impacts. If your project meets one of the following criteria which will be indicated by
the check boxes below, you do not need to address Hydromodification at this time. However, if the
project does not qualify for Exemptions 1, 2 or 3, then additional measures must be added to the design
to comply with HCOC criteria.This is discussed in further detail below in Section F.2.
HCOC EXEMPTION 1:The Priority Development Project disturbs less than one acre.The Co-permittee
has the discretion to require a Project-Specific WQMP to address HCOCs on projects less than one
acre on a case by case basis.The disturbed area calculation should include all disturbances associated
with larger common plans of development.
Does the project qualify for this HCOC Exemption?Y ® N
If Yes, HCOC criteria do not apply.
HCOC EXEMPTION 2: The volume and time of concentration' of storm water runoff for the post-
development condition is not significantly different from the pre-development condition for a 2-year
return frequency storm (a difference of 5% or less is considered insignificant) using one of the
following methods to calculate:
Riverside County Hydrology Manual
Technical Release 55 (TR-55): Urban Hydrology for Small Watersheds (NRCS 1986), or
derivatives thereof, such as the Santa Barbara Urban Hydrograph Method
Other methods acceptable to the Co-Permittee
Does the project qualify for this HCOC Exemption?Y ® N
If Yes, report results in Table F.1 below and provide your substantiated hydrologic analysis in
Appendix 7.
Table F.1 Hydrologic Conditions of Concern Summary
2 year—24 hour
Pre-condition Post-condition Difference
Time of INSERT VALUE INSERT VALUE INSERT VALUE
Concentration
Volume(Cubic Feet) INSERT VALUE INSERT VALUE INSERT VALUE
1 Time of concentration is defined as the time after the beginning of the rainfall when all portions of the drainage basin
are contributing to flow at the outlet.
24-
HCOC EXEMPTION 3:All downstream conveyance channels to an adequate sump(for example,
Prado Dam, Lake Elsinore, Canyon Lake, Santa Ana River, or other lake, reservoir or naturally
erosion resistant feature)that will receive runoff from the project are engineered and regularly
maintained to ensure design flow capacity; no sensitive stream habitat areas will be adversely
affected; or are not identified on the Co-Permittees Hydromodification Susceptibility Maps.
Does the project qualify for this HCOC Exemption?Y ® N
If Yes, HCOC criteria do not apply and note below which adequate sump applies to this HCOC
qualifier:
INSERT TEXT HERE
F.2 HCOC Mitigation
If none of the above HCOC Exemption Criteria are applicable, HCOC criteria is considered mitigated if they
meet one of the following conditions:
a. Additional LID BMPS are implemented onsite or offsite to mitigate potential erosion or habitat
impacts as a result of HCOCs. This can be conducted by an evaluation of site-specific conditions
utilizing accepted professional methodologies published by entities such as the California
Stormwater Quality Association (CASQA),the Southern California Coastal Water Research Project
SCCRWP), or other Co-Permittee approved methodologies for site-specific HCOC analysis.
b. The project is developed consistent with an approved Watershed Action Plan that addresses
HCOC in Receiving Waters.
c. Mimicking the pre-development hydrograph with the post-development hydrograph,for a 2-year
return frequency storm. Generally,the hydrologic conditions of concern are not significant, if the
post-development hydrograph is no more than 10% greater than pre-development hydrograph.
In cases where excess volume cannot be infiltrated or captured and reused, discharge from the
site must be limited to a flow rate no greater than 110%of the pre-development 2-year peak flow.
See Appendix 7 for additional information on HCOC mitigation.
25 -
Section G: Source Control BMPs
Source control BMPs include permanent,structural features that may be required in your project plans—
such as roofs over and berms around trash and recycling areas — and Operational BMPs, such as regular
sweeping and "housekeeping", that must be implemented by the site's occupant or user. The MEP
standard typically requires both types of BMPs. In general, Operational BMPs cannot be substituted for a
feasible and effective permanent BMP. Using the Pollutant Sources/Source Control Checklist in Appendix
8, review the following procedure to specify Source Control BMPs for your site:
1. Identify Pollutant Sources: Review Column 1 in the Pollutant Sources/Source Control Checklist. Check
off the potential sources of Pollutants that apply to your site.
2. Note Locations on Project-Specific WQMP Exhibit: Note the corresponding requirements listed in
Column 2 of the Pollutant Sources/Source Control Checklist. Show the location of each Pollutant
source and each permanent Source Control BMP in your Project-Specific WQMP Exhibit located in
Appendix 1.
3. Prepare a Table and Narrative: Check off the corresponding requirements listed in Column 3 in the
Pollutant Sources/Source Control Checklist. In the left column of Table G.1 below, list each potential
source of runoff Pollutants on your site (from those that you checked in the Pollutant Sources/Source
Control Checklist). In the middle column, list the corresponding permanent, Structural Source Control
BMPs (from Columns 2 and 3 of the Pollutant Sources/Source Control Checklist) used to prevent
Pollutants from entering runoff. Add additional narrative in this column that explains any special
features, materials or methods of construction that will be used to implement these permanent,
Structural Source Control BMPs.
4. Identify Operational Source Control BMPs:To complete your table, refer once again to the Pollutant
Sources/Source Control Checklist. List in the right column of your table the Operational BMPs that
should be implemented as long as the anticipated activities continue at the site. Co-permittee
stormwater ordinances require that applicable Source Control BMPs be implemented;the same BMPs
may also be required as a condition of a use permit or other revocable Discretionary Approval for use
of the site.
26-
Table GA Permanent and Operational Source Control Measures
Potential Sources of Runoff Permanent Structural Source Operational Source Control BMPs
pollutants Control BMPs
On-site Storm Drain Inlets Mark all inlets with the words • Maintain and periodically repaint
Only Rain Down the Storm or replace inlet markings.
Drain"or similar. Catch Basin
Markers shall be per local Provide Stormwater pollution
agency requirements prevention informations to new
site owners, lessees,or operators.
See applicable operational BMPs
in Fact Sheet SC-44, "Drainage
System Maintenance," in the
CASQA Stormwater Quality
Handbooks at
www.cabmphandbooks.com
Include the following in lease
agreements: "Tenant shall not
allow anyone to discharge
anything to storm drains or to
store or deposit materials so as to
create a potential discharge to
storm drains."
Landscape/Outdoor Pesticide Use Final landscape plans will Maintain landscaping using
accomplish all of the following: minimum or no pesticides.
Preserve existing native See applicable operational BMPs
trees,shrubs,and ground in "What you should know
cover to the maximum extent for.....landscape and Gardening"
possible.at
Design landscaping to
http://rcflood.org/stormwater/
minimize irrigation and Provide IPM information to new
runoff,to promote surface owners, lessees and operators.
infiltration where
appropriate,and to minimize
the use of fertilizers and
pesticides that can contribute
to stormwater pollution.
Where landscaped areas are
used to retain or detain
stormwater,specify plants
that are tolerant of saturated
soil conditions.
Consider using pest-resistant
plants,especially adjacent to
hardscape.
To insure successful
establishment,select plants
appropriate to site soils,
slopes,climate,sun,wind,
rain, land use, air movement,
27-
ecological consistency,and
plant interactions.
Loading Docks Move loaded and unloaded
items indoors as soon as
possible
See Fact Sheet SC-30,
Outdoor Loading and
Unloading," in the CASQA
Stormwater Quality
Handbooks at
www.cabmphandbooks.com
Fire Sprinkler Test Water Provide a means to drain fire See the note in Fact Sheets
sprinkler water to the SC-41, 'Building and
sanitary sewer. Grounds Maintenance," in
the CASQA Stormwater
Quality Handbooks at
www.cabmphandbooks.com
Miscellaneous Drain or Wash Water Avoid roofing,gutters,and
of Other Sources trim made of copper or other
Roofing,gutters,and trim unprotected metals that may
leach into runoff
Plazas,sidewalks,and parking lots Sweep plazas,sidewalks,
and parking lots regularly to
prevent accumulation of
litter and debris.
28-
Section H: Construction Plan Checklist
Populate Table HA below to assist the plan checker in an expeditious review of your project.The first two
columns will contain information that was prepared in previous steps, while the last column will be
populated with the corresponding plan sheets. This table is to be completed with the submittal of your
final Project-Specific WQMP.
Table H.1 Construction Plan Cross-reference
BMP No.or ID BMP Identifier and Description Corresponding Plan Sheet(s)
Underground Underground Infiltration Chamber"A" Conceptual Grading Plan
Chamber A
Underground Underground Infiltration Chamber"B" Conceptual Grading Plan
Chamber B
Underground Underground Infiltration Chamber"C" Conceptual Grading Plan
Chamber C
Note that the updated table—or Construction Plan WQMP Checklist— is only a reference tool to facilitate
an easy comparison of the construction plans to your Project-Specific WQMP. Co-Permittee staff can
advise you regarding the process required to propose changes to the approved Project-Specific WQMP.
29 -
Section I: Operation, Maintenance and Funding
The Co-permittee will periodically verify that Stormwater BMPs on your site are maintained and continue
to operate as designed.To make this possible,your Co-permittee will require that you include in Appendix
9 of this Project-Specific WQMP:
1. A means to finance and implement facility maintenance in perpetuity, including replacement
cost.
2. Acceptance of responsibility for maintenance from the time the BMPs are constructed until
responsibility for operation and maintenance is legally transferred.A warranty covering a period
following construction may also be required.
3. An outline of general maintenance requirements for the Stormwater BMPs you have selected.
4. Figures delineating and designating pervious and impervious areas, location, and type of
Stormwater BMP, and tables of pervious and impervious areas served by each facility. Geo-
locating the BMPs using a coordinate system of latitude and longitude is recommended to help
facilitate a future statewide database system.
5. A separate list and location of self-retaining areas or areas addressed by LID Principles that do
not require specialized O&M or inspections but will require typical landscape maintenance as
noted in Chapter 5, pages 85-86, in the WQMP Guidance. Include a brief description of typical
landscape maintenance for these areas.
Your local Co-Permittee will also require that you prepare and submit a detailed Stormwater BMP
Operation and Maintenance Plan that sets forth a maintenance schedule for each of the Stormwater BMPs
built on your site. An agreement assigning responsibility for maintenance and providing for inspections
and certification may also be required.
Details of these requirements and instructions for preparing a Stormwater BMP Operation and
Maintenance Plan are in Chapter 5 of the WQMP Guidance Document.
Maintenance Mechanism: POA
Will the proposed BMPs be maintained by a Home Owners' Association (HOA) or Property Owners
Association (POA)?
Y N
Include your Operation and Maintenance Plan and Maintenance Mechanism in Appendix 9. Additionally,
include all pertinent forms of educational materials for those personnel that will be maintaining the
proposed BMPs within this Project-Specific WQMP in Appendix 10.
30-
Appendix 1: Maps and Site Plans
Location Map, WQMP Site Plan and Receiving Waters Map
31 -
SHEET 1 OF 1
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BAKER INDUSTRIAL
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CIVIL ENGINEERS•PLANNERS SURVEYORS
1880 COMPTON AVENUE, SURE 100•CORONA, CA. 92881-33700 951-734-2130
DATE DRAWN BY CHECKED BY J.N.
04128/2-7 1 AB I BB 19. 1994
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gAffERINDUSTRIAZ PROJECT
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PROPOSED WOMP BASINS
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SANTAANA RIVER WATERSHED BOUNDARY
SANTA MARGARITA RIVER MS4 PERMIT AREA BOUNDARY
LANDFILL SITES
SEWAGE TREATMENT PLANTS
SANTA ANA RIVER/SAN JACINTO RIVER
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The graphical and tabular information shown on this document may be derived from a
11,11E S variety of public agency and/or private commercial sources such as Riverside County0S,11,2
1 O_U I
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X Transportation and Land Management Agency,Thomas Brothers Mapping, the Stephen P.
Teals Data Center,GIS Technology Center,State of California,the United States Geologic Survey
0 0.5 1 1.5 2 and the United States National Atlas.These sources may possess varying levels of accuracy and
MILES precision and this product is meant only as a guide to the relative position and scale of the
depicted features.This GIS document is in no case to be interpreted as fundamental or decisive
for purposes of land surveying,fieldUPDATEDOCTOBER2019saN
NOTE ne.ngineering,plan drafting,code enforcement,land boundary1 .
1.1.rl)-MIST IEIIMIT AREAREIII 111.M REGION 11 BASED ON JURISDICTIONAL AREA SWAP AGREEMENT BETWEENftq REGION 8AND REGION 9 1, determination and/or land acquisition.
Appendix 2: Construction Plans
Grading and Drainage Plans
32 -
BA/ER INDUS TR/AL RR0,AECT G
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GENERAL NOTES. LEGAL DESCRIPTION: INDEX MAP
1.ALL WORK SHALL BE DONE/N ACCORDANCE WITH NE CITY OF LAKE ELSINORE MUNICIPAL CODE, CMPTER SCALE 1-100
15.72 AND APPLICABLE STANDARDS AND SPEC/F7C4T10NS AND THE LATEST ED17701V OF THE UN/FORM PARCEL A.• (APR.•378-020-014)
BUILDING CODE(U.B.0), CHAPTER 33.
7+2.A PERMIT SHALL BE OBTAINED FROM THE ENGINEERING DEPARTMENT, C17Y OF LAKE ELSINORE, PR/OR TO PARCEL 1.• PARCEL B.- (APR.•378-020-028) PARCEL 2: UTILITY CONTAC/J.• DEI ELOPER/APPL/CANT.• S/TE ADDRESS-ANY OPER477ONS.
3. 79E DEVELOPER AND/OR THE CONTRACTOR SHALL N977FY ALL UALRY COMPANIES AND 41 SA ALERT(1- ALL THAT POR77ON OF LOT 1, /N BLOCK ".9"OF ELSINORE, AND OF LOW ROLLING HILLS ADJOINING PARCEL f OF PARCEL MAP NO. 11395, IN THE C17Y OF LAKE ELSINORE, COUNTY OF RIVERS/DE, AN EASEMENT FOR ROAD PURPOSES, 20 FEET WIDE OVER AND ACROSS
f5Q5
NCHOLS ROAD, LLC >71>>ggKER STREET
800-422-4133)FORTY-EIGHT(48)HOURS PR/OR TO GRAD/NG. SAID LOTS ON THE SOUTHWEST, /N THE C17Y OF LAKE ELSINORE, COUNTY OF RIVERS/DE, STATE OF STATE 7HE EXISTING ROAD, 7HE WATER.' E-gAVRE VALLEY AR"CIPAL WA7D7 a'SIR/CT R/V£R.7 LEGACY IV
S/
VIV N9
1p7 LAKE ELS/NORE, CA 9257p
4. THE CONTRACTOR SHALL N077FY 7HE 017Y ENGINEERING DEPAR7MENr AT LEAST 7WEN7Y-FOUR(24)HOURS/N CAL/FORNA, AS SHOWN BY MAP ON F/LE/N BOOK 8 PAGE 377 OF MAPS, RECORDS OF SAN D/EGO OF CALIFORNIA, ON FILE/N BOOK 58 PAGE 68 OF PARCEL MAPS, RIVERSIDE COUNTY RECORDS.CENTER LINE BEING THE NORTHEASTERLY LINE OF THE ABOVE DESCRIBED 31315 CH44EY STREET 1505
LL70 CA 94965
ADVANCE OF BEGINNING GRADING OPERATIONS COUNTY, C4LIFORNIA, MORE PAR77CULARLY DESCRIBED AS FOLLOWS• PROPERTY AND 7NF LAKE ELSIORE C4 92531
5. DUST SHALL BE CON7ROZZED BY WATERING OR OTHER METHODS APPROVED BY 7HE 017Y ENGINEER. EXCEP7I1VG THEREFROM //8 PART OF ALL OIL, GAS AND MINERALS IN, UNDER OR UPON S4/9 LAND NORTHWESTERLY EXPENS/ON OF S41D LINES AS EXTENDED 70 THE 951)674-3146 617)877-7637
6. CUT SLOPES SHALL BE NO STEEPER 7H41/2 HORIZONTAL 70 1 IERT/CAL, UNLESS 07NERNSF APPROVEV,, BEGINNING AT THE MOST WE57FRLY CORNER OF THAT CERTAIN 7R4CT OF LAND CONVEYED BY OR WHICH MAY BE ACCRUED THEREFROM, AS RESERVED/N DEED FROM CHARLES HUDSON AND SOIITHW57ERLY LINE OF PIERCE S7REET, EXCEPTING THEREFROM 77-IAT FACT TTYW LXAFORZY
AND SHALL BE SHOWN ON 7HE PLAN. CHARLES HUDSON AND DESS/E HUDSON, HUSB4ND AND WIFE, TO GREAT COASTAL OIL DESS/E HUDSON, RECORDED MAY 8, 1936/N BOOK 275 PAGE 344 OF OFFICIAL RECORDS, POR77ON INCLUDED WITH PARCEL E ABOVE.SEWER' EZ-91WRE VALLEY MUNICIPAL WATER D57R/CT
SHALL
SLOPES
BE SHOWN
L BE NO STEEPER TH41V 2
PLAN,AND SHALL NOT,'LIVE
R/
ES'S rTH4i080%RE 77LAVECOMUNLPC770N07HERWSEODUTTOTHEAPPROVED, CORPORATION, A CORPOR477ON AND RECORDED ON THE 87H DAY OF MAY 1936, /N BOOK 275 AT RIVERS/DE 31315 CHMEY S7REET ENGINEER.-
FIN/SHED SURFACE.PAGE 344 OF OFFICIAL RECORDS, RIVERS/DE COUNTY, CAL/FORN/A,• THENCE 5OU7H F0R7Y-5/X COUN7Y RECORDS. EXCEPTTNG THEREFROM 1/8TH INTEREST OF ALL O//, GAS AND MINERAL LAKE ELMN6RE Cq, 92531
8. FILLS SHALL BE COMPA07FD 7HR000HOUT TO 9O$DEN5/7Y AS D=M/NED BY 7HE MOD/F/ED 7HREF(3) DEGREES F/F7Y MINUTES EAST(SOUTH 46'50'EAST)A DISTANCE OF 236 FEET THENCE NORTH RIGHTS THEREOF. 951)674-3146 KW EO/NEERS
LAYER AS.T.M. D-1557-70 TEST METHOD. FOR7Y-THREE DEGREES TEN MINUTES EAST(NORTH 43 10'EAST)A DISTANCE OF 300 FEET 7O PARCEL C.• (APR.•378-020-037 AND OTHER PROPERTY) 1880 LYIA TOV AVENUE.SL17F 100
9. FILL AREAS SHALL BE CLEANED OF ALL IEGETA77ON AND DEBRIS, SCARIRED,AND INSPE07FD BY 7HE THE PARCEL F (APR.•378-020-029)POOVRN SOUTHDW CALIfOR 4 M50y CO C C4 92881 -337E
GRADING INSPECTOR AND APPROVED SOILS TESTING AGENCY PR/OR TO THE PLACING OF FILL. TRUE POINT OF BEGINNING,• THENCE NORTH FORTY-THREE DEGREES'7EN MINUTES'EAST(NORTH PARCEL 2 OF PARCEL MAP 8585, AS SHOWN BY MAP ON FILE/N BOOK 36, PAGE 29 OF PARCEL 26100 MEN/FEE ROO 951)7342130
10.ALL FILL MA7ER14L SHALL BE CLEAN EARTH. NO FILL SHALL BE PLACED UN77L PREPAR477ON OF GROUND/S P5 PARCEL 2 OF PARCEL MAP NO. 11395, /N THE C17Y OF LAKE ELSINORE,Rain", C4 gZ5R5 A77N.:iV Q7N 64RNE7!P.E.
APPROVED BY THE SOILS ENGINEER 43' 10'EAST)A DISTANCE OF 30 FEET THENCE NORTH FOR7Y-SIX DEGREES FIFTY MINUTES WEST COUNTY OF R/VERB/DE, STATE
11. FINISH GRADE SHALL BE SLOPED AWAY FROM ALL EXTER/OR WALLS AT NOT LESS TH41V IV-PER FOOT FOR A NORTH 46.50'WEST)A DISTANCE OF 80 FEET THENCE SOU7H FORTY-THREE DEGREES TEN RECORDS OF RIVERS/DE COUNTY, C4C/FORN/A. 951)928-8207
OF CALIFORNIA, AS SHOWN BY MAP ON FILE/N BOOK 58, PAGE 68 OF
12
MUM OF THREE(3)FEET, THEN
NA(
MINIMUM)TO ROW
LL b I
EARTH
T OR
MINUTES WEST(SOUTH 43' 10'WEST)A O/STANCE OF 30 FEET THENCE SOUTH FORTY-SIX PARCEL MAPS, RECORDS OF
R51)820-54.98
EXCEP77NC THE 1/87H PART OF ALL OIL, GAS AND MINERALS/N, UNDER OR UPON.£4/D LAND OR12. )
MET
BUILDING PADXI 04/
DRAINAGE SWORE SLOPE SHALL BE 1$/F CUT
AI
FILL SLOPE/S LESS THAN DEGREES RIVERS/DE COUN7Y, C4L/FORN/A.
TEN FEET(10'),AND 2%/F CUT OR FILL /S GREATER I7LAN TEN FEET(10). ORA/Nl4GE SHALES SHALL BE A F7F7Y MINUTES EAST(SOUTH 46'50'EAST)A DISTANCE OF 80 FEET TO THE TRUE POINT OF
WHICH MAY BE SECURED THEREFROM, AS RESERVED/N DEED FROM CHARLES HUDSON AND DESS/E G4£• SOUTHERN CA/JFORN/A GAS CO.
MIN/MUM OF 0.5'DEEP AND CONSTRUCTED A MIN/MUM OF TWO FEET(2)FROM THE 70P OF CUT OR FILL BEGINNING.
HUDSON, RECORDED MAY 8, 1935/N BOOK 275, PAGE 344 OF OFFICIAL RECORDS, RIVERS/DE 1981 W LLK%M AVENUE LEGEND:
COUNTY RECORDS EXCEPT THE 1/87H PART OF ALL OIL, GAS AND MINERALS/N UNDER OR RE%4W,$ C4 92373
13 PROVIDE 5'W/DE BY THIGH BERM OR EOUNALENT ALONG 7HE TOP OF ALL FILL SLOPES OVER 5'H/5H UPON S41D LAND OR WHICH ypg) GRAY) PROPOSED WATER
EXCEPTING THEREFROM M/NERALS, OIL AND GAS AS RESERVED BY DEED RECORDED MAY B, 1936
14. PROl4DE A BROW 9/7CH, DESIGNED TO/xANDLE ONE HUNDRED(700) YEAR STORM SOWS ALONG THE 70P IN PARCEL D.• (APR.•378-020-031J MAY BE SECURED THEREFROM, AS RESERVED/N DEED FROM CHARLES GRAY) PROPOSED SEWER
OF CUT SLOPES HUDSON AND DESS/E P11611E P R06W t705BOOK275PAGE344. HUDSON, RECORDED MAY 8, 1936 IN BOOK 275, PAGE 344 OF OFFICIAL GRAY) PROPOSED RECLAIMED WATER15. NO OBS7RUCT70N OF E000 PLAINS OR NATURAL WATER COURSES SHALL BE PERM/77E0. PARCEL 4 OF PARCEL MAP NO. 11395, /N THE C17Y OF LAKE ELS/NORE, COUNTY OF RIVERSIDE HUDSON CAL/FGWNI4 C74KS ROAD
16.A SOILS ENGINEER SHALL BE RETAINED BY THE DEVELOPER, TO SUPERVISE GRADING AND PROl4DE A BTA
RECORDS, RIVERS/DE MURRIET.Q C4 92562 GRAY) PROPOSED STORM DRAIN
E7NAL SOILS REPORT WH/CH INCLUDES FOUNDATION REOU/REMEN75(SUBOMS/ONS)AND EXPANSIVE PARCEL 2: (APR.•378-020-015 AND 378-020-016) OF CALIFORNIA, AS PER MAP RECORDED/N BOOK 58, PAGE 68, OF PARCEL MAPS, /N THE OFFICE COUNTY RECORDS 951)290-7287 624YJ EXISTING WATERCHARACTERISTICSOF7HESOIL. OF
17. GRADING CER77RL-A77ON BY 7HE DEVELOPER?S OWL ENGINEER AND A FINAL COMPAC77ON REPORT BY A
THE NORTHWEST K4LF OF THE SOUTHWEST HALF OF THE FOLLOWING DESCRIBED PROPERTY- THE COUNTY RECORDER OF S41D COUNTY. PARCEL G.• (APN.•378-020-03p)CABLE-7V nAC 04&E
GRAY) EXISTING SEWER
SOILS ENGINEER SHALL BE 5418M07ED TO 7HE BUILDING AND ENGINEERING DEPARTMENTS PR/OR TO ISSUANCE 53017 CRESgpq STREET GRAY) EXISTING RECLA/MED WATER
8. THE S0G AM173:
EY7/NG/NVES7JG4770N pAlE7I PREPARED BY(ERG/NEER ALL T PORTION OF LOTS 1, 2 AND 3, /N BLOCK A"OF ELSINORE, AND OF LOW ROLLING
EXCEPTING 7HE 1/8TH PART OF ALL 0/4 GAS AND MINERALS IN, UNDER OR UPON S41D LAND OR
COUNTY OFF PR CELIDE SAP NO 11395, IN THE C17Y OF LAKE ELSINORE,LSE aM CA 92532 GRAY) EX/S77NG STORM DRAIN
CONSULTANT)DATED AND THE ENGINEERING GEOLOGIC IMESTC41 DAZED
WHICH MAY BE SECURED THEREFROM, AS RESERVED/N DEED FROM CHARLES HUDSON AND DESS/E 888)211-1546ADJOININGS41DLOTSONTHESOUTHWEST, /N THE 017Y OF LAKE ELSINORE, COUNTY OF OF CAL/FORNLI AS SHOWN BY MAP ON FILE/N BOOK 58, PAGE 68, OF TL" =EXIS77NG CONTOUR ELEVATION
RIVERS/DE, STATE OF C&YORNI4, AS SHOWN BY MAP ON RLE IN BOOK 8 PAGE 377 OF MAPS, HUDSON, RECORDED MAY 8, 1936/N BOOK 275, PAGE 344, OF OFFICIAL RECORDS, RIVERS/DE PARCEL MAPS, /N THE OFFICEPREPAREDBY(GEOLOGIC CONSULTANT), SHALL BE CONSIDERED A PART OF THIS GRADING PLAN AND SHALL BE COUNTY RECORDS 1200-=PROPOSED SURFACE ELEVATION
N COMPLIANCE. RECORDS OF SAN D/EGO COUNTY, CAL/FORNLI, PARTICULARLY DESCRIBED AS FOLLOWS OF THE COUNTY RECORDER OF S41D COUNTY. 8255=PROPOSED PAD ELEVAl10N
19.A REGISTERED CIVIL ENG/NEER OR LICENSED LAND SURVEYOR SHALL SUBMIT 0ER771-7CA770N OF BU/LDING
PARCEL E.• (APR.• 37B02004B) 44 =LOT NUMBERPAOELEVATONWHERESPEC/FTC FLEVA77ONS ARE REOU/RED, 7HE EZEVA77ON(W17H RESPECT TO MEAN SEA COMMENCING AT THE MOST NORTHERLY CORNER OF LOT 50 OF COUNTRY CLUB HEIGHTS UNIT '`,EXCEP7ING THE 1/8TH PART OF ALL OIL, G45 AND MINERALS IN, UNDER
LEVEL)SHALL BE GIVEN. IF AN EZEVAT701V WITH RESPECT 70 ADJACENT GROUND SURFACE IS REOU/RED, 7HE AS SHOWN BY MAP ON FILE/N BOOK 17 PAGES 25 AND 26 OF MAPS, RECORDS OF RIVERSIDE OR UPON SAID LAND OR ASSESSOR PARCEL NO.' ELEV=ELEVATON
AC7L4AL DISTANCE ABOVE THE AA/ACENT GROUND SHALL BE GIVEN. COUNTY, GAL/FORNI4; THENCE NORTH 43'24'EAST ALONG THE SOUTHERLY EX7FNS/ON OF THE PARCEL 1 : WHICH MAY BE SECURED THEREFROM, AS RESERVED/N DEED FROM FG =F/N/SH GRADE
20.ALL PROPERTY CORNERS SHALL BE CLEARLY DELINEATED/N THE FIEYO PR/OR 70 COMMENCEMENT OF ANY MOST WES7FRLY LINE AND ALONG THE MOST WE57FRLY LINE OF 7MT CERTAIN PARCEL OF LAND CHARLES HUDSON AND DESSLE 378-020-014, -015, -016, FL = -ZOWL/NE
21.
STAML1ON/GRAD/NG. THE SOUTHEAST ONE-HALF OF THE SOUTHWEST ONE-HALF OF THE FOLLOWING DESCR/BED
F5 =FLN/SHED SURFACECONVEYEDTOABECORL/N AND HENRY C. SCHUL77, BY DEED RECORDED NOVEMBER 15, 1928/N HUOSON, RECORDED MAY 8, 1936/N BOOK 275, PAGE 344, OF OFFICIAL 028, -029, -030, -031, -036,
21.
NFER 70 7ME 84A770N5 W17H A SAFETY FACTOR
7M N7
LEAST
4/
SHALL BE SUBA/
S O
BY A BOLLS PROPERTY,'BOOK 789, PAGE 273 OF DEEDS, RECORDS OF RIVERSIDE COUNTY, CALIFORNIA, TO THE MOST RECORDS, RIVERSIDE 037, -048ENGINEERTOTHEBUILDINGANDENG/NEER/NG DEPAR7MEN75 FOR CUT AND F/CL SLOPES OVER THIRTY FEET L= =LENGTH
NORTHERLY POINT/N S41D MOST WESTERLY L/NE, FOR THE POINT OF BEGINNING THENCE SOU
ALL THAT PORTION OF LOTS 1, 2 AND 3/N BLOCK
TH
A OF ELS/NORE, AND OF LOW ROLLING HILLS
COUNTY RECORDS.
22. /
N VERTICAL HEIGHT n
2.A F7N4L COMPAC770N REPORT WILL BE REOU/RED FOR ALL FILLS GGREATER THAN ONE(7)F00T. 46'S0'EAST, FORMERLY RECORDED SOUTH 4T EAST, 3067.E FEET,• THENCE NORTH 43' 1O'EAST,W= WIDTH
ADJOINING S41D LOTS ON THE SOUTHWEST, AS SHOWN BY MAP ON 1WE IN BOOK 8 PAGE 377 OF
23. IF STEEP SLOPING 7FRRA/N OCCURS UPON WHICH FILLSTEEPS TO BE PLACED, IT MUST SE CLEARED, KEYED AND FORMERLY RECORDED NORTH 43'EAST, 1100 FEET TO THE MOST EA57FRLY CORNER OF 77-IAT MAPS, RECORDS OF SAN DIEGO COUNTY, CALIFORNIA, PAR77CULARLY DESCRIBED AS FOLLOWS• PARCEL H.• (APN.•378-020-036 AND OTHER PROPERTY) BASS OF BF4R/NGS MIN. =MINIMUM d:
BENCHED INTO FIRM N4TURAC SOIL FOR FULL SUPPORT. PREPARA770N SHALL BE APPROVED BY A REGISTERED CERTAIN PARCEL OF LAND CONVEYED TO GREAT COASTAL OIL CORPOR477ON, BY DEED RECORDED Pt =PROPERTY LINE
SOILS ENG/NEER PRIOR TO PLACEMENT OF F7LL A647FR14L. SLOPES GRE47ER 771AN 5.•1 ARE REOU/RED 70 BE MAY 8 193E IN BOOK 275 PAGE 344 OF OF77CI4L RECORDS OF RIVERS/DE COUNTY, 04L/FORNL4,• PARCEL 1 OF PARCEL MAP 8585, AS SHOWN BY MAP ON F/LE IN BOOK R/W=RIGHT OF WAY ry
KEYED AND BENCHED. COMMENCING AT THE MOST NORTHERLY CORNER OF LOT Sp OF COUNTRY CLUB HEIGHTS UNIT 6" THE 84515 OF BEARINGS FOR THIS SURVEY/5 THE CALIFORNIA STATE PLANE oTHENCENORTH
0/1
S0'WEST ALONG THE NORTHEASTERLY
THW 7
S4/O PARCEL
O
CONVEYED TO AS SHOWN BY MAP ON FILE/N BOOK 17 PAGES 25 AND 26 OF MAPS, RECORDS OF RIVERSIDE
36, PAGE 29
IV
PARCEL MAPS,
COORDINATE SYSTEM, CCS83, ZONE 6, BASED LOCALLY ON CONTROL STATIONS CNPP"GO = GRADE BREAK ry
24. THE SOILS ENGINEER LEUL0 INSPECT THE CONSIRU
0W A/
N THE FOLLOWING STAGES• GREAT COASTAL O/C CORPOR4T/ON, 3960 FEET TO THE NORTHWESTERLY LINE OF LOT 1 /N BLOCK RECORDS OF RIVERSIDE COUNTY, CAL/FORN/A.
A. UPON COMPLETION OF CLEARING AND DURING EXCAVATION AND BEFORE BACKF7LL OF ALLUl9A[, COUNTY, CAL/FORNLI,• 6/LL"AND ;4/LFP"NA083(NSRS2011)EPOCH 2010.00 AS SHOWN HEREON. ALL TC = TOP OF CURB
8 D41IIN
AND TERRACED AREAS AND ANY SUBSTRUCTURES T4"ABOVE DESCRIBED,• THENCE SOUTHWESTERLY ALONG SAID NORTHWESTERLY
T W
AND ALONG
EXCEP17NO THE 1/8TH PART OF ALL OIL, G4S AND MINERALS IN, UNDER BEARINGS SHOWN ON THIS MAP ARE GRID. 0007EV BEAR/NGS AND DISTANCES'FROM TOE OF SLOPE
B. OUR/NG
EALIRA
ROUGH GRADING AND OPERATIONS INCLUDING PRE-COMPAC770N, BENCH/NC AND THE SOUTHWESTERLY PROLONGATION
VT
S41D NORTHWESTERLY L/NE,
BEING
A POINT WHICH BEARS THENCE NORTH 43'24'EAST, ALONG THE SOUTHERLY EXTENSION OF THE MOST WESTERLY LINE REFERENCE MAPS OR DEEDS AS SHOWN PER THAT RECORD REFERENCE. ALL
2'1 UNLESS OTHERW/SE NOTEO) q
FILL/NG OPLRA770NS NORTH 46'50'WEST FROM THE POINT OF BEGINNING, SAID POINT BEING THE MOST WESTERLY AND ALONG THE MOST WE57ERLY LINE OF THAT CERTAIN PARCEL OF LAND CONVEYED TO ABE
OR UPON S41D
BE
LAND OR TOP OF SLOPE
WHICH MAYBE SECURED THEREFROM, AS RESERVED/N DEED FROM DISTANCES SHOWN ARE GROUND DISTANCES UNLESS SPEC/FIFO OTHERW/SE. GRID
A
DURING/NSUNUS AL R
BUTTRESS AND CANYON SUB-DRAINS AND FILTER TRURLIL, CORNER OF THAT CERTAIN PARCEL OF LAND CONVEYED TO GREAT COASTAL 0/L CORPORATION, CORL/N AND HENRY C. SCHUL7Z, BY DEED RECORDED NOVEMBER 15, 1928/N BOOK 789 PAGE D/STANCES MAY BE OBTAINED BY MULT/PLYIAG THE GROUND D/STANCE BY A ADA PATH OF TRAVEL o,
D. WHEN ANY UNUSUAL GRADING ED SLOPES ARE ENCOUNTERED DURING C0NICE R70N. HEREINABOVE REFERRED TO, THENCE SOUTH 46'50'EAST, ALONG THE SOUTHWESTERLY LINE OF 273 OF HUDSON
HUDSON
ECORD
AND DESS/E CATCH 845IN 3
25. EROSION CONTROL:ALL GRADED SLOPES SHALL BE PLANTED W/7H ROSEA ICE PLANT OR ANOTHER HUDSON, RECORDED MAY 8, 193E/N BOOK 275, PACE 344 OF OFF/CGAL COMB/11/r1T/ON FACTOR OF 0.9999>624. C4LCUL4770NS ARE MADE AT FD.I-IF, OPEN,
APPROVED GROUND COVER,AT TWELVE INCHES(12)ON CENTER. SLOPES OVER FIFTEEN FEET(15)/N
S41D PARCEL, TO THE POINT OF BEGINNING, DEEDS, RECORDS OF RIVERSIDE COUNTY, TO THE MOST NORTHERLY POINT IN 541D MOST RECORDS, RIVERSIDE DN 0.4,' NE CDR. PARCEL 3 PM 58/68 WITH COORDINATES OF N.•2200713.6419
VER77CAL HEIGHT, IN ADD17701V TO GROUND COVER, SHALL BE PLANTED WITH APPROVED TREES SHRUBS OR WESTERLY LINE, FOR THE POINT OF BEGINNING; COUNTY, RECORDS GRID), E.• 6223632.768(GRID), USING AN ELEVATION OF 1251.91 (NA VD 88)
COMBINA77ON 7HEREOF. SHRUBS SHALL BE PLANTED AT 7EN FEET(10)ON CENTER,• TREES'AT 7WEN7Y FFET EXCEP7ING THEREFROM ALL 7H4T POR17ON THEREOF DESCRIBED AS FOLLOWS:•
20)ON CENTER-COMB/NATIONS FIFTEEN FEET(15)ON CENTER. SLOPES OVER THREE FEET(3)/N VER=At HENCE 46'50'EAST, FORMERLY RECORDED SOUTH 47-E45T. 3067..6 FEET;
HEIGHT SHALL HAVE PERMANENT IRRIG477ON SYSTEMS W17H B4CKEOW PREVENAON DEVICES PER U.B.C. COMMENCING AT THE MOST WESTERLY CORNER OF THAT CERTAIN 7R407 OF LAND CONVEYED TO O
26.APPROVED PRO7EC77VE MEASURES AND TEMPORARY DRAINAGE PROVISIONS MUST BE USED 70 PROTECT GREAT COASTAL OIL CDRPOR4NON, BY DEED RECORDED MAY 8, 193E/N BOOK 275 PAGE 344 OF THENCE NORTH 43' 10'EAST, FORMERLY RECORDED NORTH 43'EAST, 1100 FEET TO THE MOST BENCHMARK SHEET INDEXAA/O/N/NG PROPER77ES DURING THE GRADING PROJECT. OF17C14L RECORDS OF RIVERS/DE COUN7Y, C&IFORNLA,• THENCE SOUTH 46'50'EAST, 236 FEET EASTERLY CORNER OF 7H4T CERTAIN PARCEL OF LAND CONVEYED TO GREAT COASTAL OIL
ilileF/M4 NYI. C-95-,73 QfV. =f35645 AIR(1929 0977Mff ALUU57ID BY IERTGLIV IO f3S49227.APPROVED EROSION PREVENTIVE DEVICES SHALL BE PROVIDED AND MAINTAINED DURING 7HE RA/NY 7HENCE NORTH 4-r 10'EAST, 300 FEET FOR THE POINT OF BEGINNING, 7HENCE NORTH 43.50'CORPORATION, BY DEED RECORDED MAY 8, 1936 IN BOOK 275 PAGE 344 OF OFFICIAL RECORDS
SEASON AND SHALL BE IN PLACE AT THE END OF EACH LAYS WORK. 199 04/IM/)FR6W 71E IN7E/75EC770V 0'L a%E AND D?421V 521140 FEET T17ZE SHEET SHEET f
EAST, 30 FEET THENCE NORTH 46'S0'WEST, 80 FEET THENCE SOUTH 43' 10'WEST, 30 FEET;OF
T r rar—
o
28.ALL WORK SHALL CONFORM TO THE C/N AND STATE
HE RE PONS1
SAFETY ORDERS.
CZRB AAS7ERZYALCkLG L AND 40 FEET 57DdY lU 71£GKNSpfD 3'IXJ4RE'/N 7LW CROSS
CONCEPTUAL
N AND DETAILS SHEETS SHEETS 2 c3
29. THE LOCATION AND PROTECTION OF ALL U71DT/ES/S THE RESPoNS/B/L/7Y OF THE PERM/TTEE. THENCE SOUTH 46'50'EAST, 80 FEET TO THE POINT OF BEGINNING, S41D RIVERSIDE COUNTY LY B AT%R CONCEPTUAL GRADING PLAN SHEETS SHEETS 3-5 d.
30.AN APPROVED SET OF GRADING PLANS SHALL BE ON THE JOB SITE AT ALL 77UE.
31. SANITARY FACIL177ES SHALL BE AINTAINED ON THE S17E FROM BEGINNING TO COMPLETION OF GRAD/N.-OPERA77ON. ALSO EXCEP7I1VG THEREFROM A 57R/P(5) OF LAND 1 ROD WIDE 4-19r FEET ON THE EASTERLY THENCE NORTH 46'50'WEST, ALONG THE NORTHEASTERLY LINE OF S41D PARCEL SO CONVEYED TO
32.ALL SLOPES SHALL BE PLANTED AND IRRIG477ON FACIL177ES SHALL BE PROVIDED FOR ALL SLOPES IN EXCESS 5/DE GREAT CQ4STAL OIL CORPORA7ON, 3960 FEET TO THE NORTHWESTERLY LINE OF LOT f IN BLOCK q
OF THREE(3)FEET VERTICAL HEIGHT WITH/N N/NE7Y(90)DAYS AFTER COMPLETION OF ROUGH GRADING AND AND 12 FEET ON THE WESTERLY SIDE OF THE CENTER LINE OF THE P/PEL/NE OF THE TEMESC&
SHALL BE IN ACCORDANCE WITH 017Y OF L4KE ELSINORE GRADING ORDINANCE NO. 882 PRIOR TO THE WATER COMPANY, AS NOW LAID OVER AND ACROSS THE HERELNABOVE DESCRIBED PROPERTY AS ABOVE DESCRIBED, o
APPROVAL OF RA AL INSPEC77ON. CONVEYED TO THE TEMESCAL WATER COMPANY, A CORPORAT/ON, BY DEED RECORDED MAY 12, C
0 ANY CON7R4C7OR PERFORMING WORK ON THIS PROJECT SHALL FAMILIARIZE HIMSELF WITH THE S/7E AND BE 1917 THENCE SOUTHWESTERLY ALONG S41D NORTHWEST LINE AND ALONG THE SOUTHWESTERLY
SOLELY RESPONSIBLE FOR ANY DAMAGE TO EXIS77NG FACIL177ES RESUL77NG DIRE07ZY OR INDIRE07ZY FROM HIS
IN BOOK 362 PAGE 56, OF DEEDS RECORDS OF RIVERS/DE COUNTY, CALIFORNIA, PROLONC477ON OF SAID NORTHWESTERLY LINE, TO A POINT WHICH BEARS NORTH 46'50'WESTETHORNOTSUCHFACIURESARESHOWIVONrHESE
34. THEODESIGN ENGNEER SHALL PROVIDE A MINIMUM OF ONE(1)BLUE TOPSPER RN/SHED PAD, PR/OR TO FROM THE POINT OF BEGINNING, S41D POINT BEING THE MOST WESTERLY CORNER OF THAT a
ROUGH GRADE APPROVAL. ALSO EXCEP7I1VG THEREFROM THE 1/8 PART OF ALL 014 GAS AND MINERALS IN, UNDER OR UPON CERTAIN PARCEL OF LAND CONVEYED TO GREAT COASTAL OIL CORPOR477ON, HERE/NABOVE
35.APPROXIM 47E D47E OF- SAID LAND OR WHICH MAY BE SECURED THEREFROM, AS RESERVED/N DEED FROM CHARLES REFERRED 70• CONCEPTUAL GRADING PLAN o
BEGINNING OPERA770N.• HUDSON AND DESSIE HUDSON, RECORDED MAY 8, 1936 IN BOOK 275 PAGE 344 OF 0F770AL
COMPLETION.. RECORDS OF RIVERS/DE COUNTY, C4L/FORNIA. THENCE SOUTH 46'50'E45T, ALONG THE SOU7HWES7FRLY LINE OF S41D PARCEL, TO THE POINT BAKER/NDUSTR/AL k36. NO ROCK OR 07HER IRREDUCIBLE A07FR/4L W17H A MAX/MUM DIMENSION GREATER THAN 7HREE INCHES OF
3)WLL BE PLACED IN FILLS W/7H/N ROADBED AREAS OR 7HREE FEET(3)OF FINISH GRADES, UNLESS THE BEGINNING,•CITY OF LAKE EL SNORELOCATION, MA7ERLILS,AND DISPOSAL METHODS ARE SPECIFICALLY APPROVED BY 7HE SOILS ENGINEER.
37. 7HE ENGINEER MUST SET GRADE STAKES FOR ALL DRAINAGE DEV/=AND OBTAIN INSPECTION BEFORE u
APPROVAL
EXCEP77NO THEREFROM THAT POR77ON CONVEYED TO ELSINORE VALLEY MUNICIPAL WATER
3B. GRADING PLANS W/LL NOT BE APPROVEp UN77L AL[ RETAINING WALLS ARE APPROVED BY THE BUILDING
DISTRICT, A PUBLIC CORPORA7ON BY DEED RECORDED APR/L 8, 1987 AS INSTRUMENT NO. 96282 100' 0 100' 200' 300 PREPARED BY R
DEPARTMENT. OF OFFICIAL RECORDS. SHEET
TO REGULATE MUN/Cl/PAL AND/NDUSM14L STORY HATER OISC 14 C ELIM/NAAON SYSTEM(NPDESJ PERMIT SCALE/N FEET 1 Of-5
NPOES WDID 047F PERMIT ISSUED ENG/NEERS SHEET40. DRAINAGE E45EMEN75 WILL BE KEPT CLEAR OF ALL OBSTRUCTIONS NO BUILDINGS OR WALLS SHALL BE civil ENGINEERS=auNNERs=suRvevoRs
PLACED WHIN EASEMENT LIMITS: 7EMPOAARY IMPROVEMENTS ARE SUBJECT TO REMOVAL AT OWNER'S EXPENSE 1880 COMPTON AVENUE.SUITE 100 CORONA,CA,92881-3370 951-734-2130 R
PROP. R/W PROP. R/W
EX EX
IR/W RI W1
1 6B"1
Li CL
34' _!_ 34' _
ICI I 1
5'
1
5• 24• 1 24• 5' 1 5,
4'
SW sw 4,
DEDIC450N ,60 k 1 DEO/CAnON BUILDING 1
7630 7C PAD=1280.0
2.0$ ry 2.0$ 74.93 FS 2.0X 7580 FS
M PROP. PROP. PROP.
C&G C&G CURB
Q4YLIGHT
EX. GROUND
SECT/ON A A
SEE SHEET 3
NTS
EX. GROUN
DAYLIGHT
PROP. R/W PROP. R/W
EX EX
R/N' R 1w
CL a93 7C34' 34'
T 1 I 7543 76..04 FS BUILDING 2
1
5' S' 24'S'
I PAD=1276.724' S' I
sw sw BUILDING 2
4 DEOIC4n0N 7067 TC 72.70
fs
PAD=1276.7 PROP.DEDiC4naN
t'
11
6OhgG 6y1 s
1 7Q 17 FS 1.5% LOW F5
OX
PROP. F3'
DAYL/GHT PROP. AEX. GROUND SECTION E-EPROP
CC&G G
SEE SHEET 3
NTS
SECT/ON B-B
SEE SHEET 3
NTS
81.40 8478 TC
BUILDING 1
7.90 FS 1.OX
81.28 FS
PAD=1283.1
BOT= 1276.0'
GB
PROP.
EX. Iv FS'
PROP. R/W PROP. R/W Q4YL/GHT
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Appendix 3: Soils Information
Geotechnical Study and Other Infiltration Testing Data
33 -
USDA United States A product of the National Custom Soil Resource
Department of Cooperative Soil Survey,
Agriculture a joint effort of the United Report for
States Department of
N RCS Agriculture and other Western Riverside
Federal agencies, State
Natural agencies including the
Area, CaliforniaResourcesAgriculturalExperiment
Conservation Stations, and local
Service participants
Roles
ra
40OPMOMI
a
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0
March 31, 2023
Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas. Soil surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/
portal/nres/main/soils/health/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
https://offices.sc.egov.usda.gov/locator/app?agency=nres)or your NRCS State Soil
Scientist(http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/?
cid=nres142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2
alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call (800) 795-3272 (voice)or(202) 720-6382 (TDD). USDA is an equal opportunity
provider and employer.
3
Contents
Preface....................................................................................................................2
How Soil Surveys Are Made..................................................................................5
SoilMap.................................................................................................................. 8
Soil Map (1994 SOIL MAP)..................................................................................9
Legend................................................................................................................10
Map Unit Legend (1994 SOIL MAP)...................................................................11
Map Unit Descriptions (1994 SOIL MAP)........................................................... 11
Western Riverside Area, California.................................................................14
AaD—Altamont clay, 5 to 15 percent slopes............................................... 14
AbF—Altamont cobbly clay, 8 to 35 percent slopes.................................... 15
AkC—Arbuckle loam, 2 to 8 percent slopes................................................16
AIC—Arbuckle gravelly loam, 2 to 9 percent slopes, dry, MLRA 19............18
AID—Arbuckle gravelly loam, 8 to 15 percent slopes................................. 19
CkF2—Cieneba rocky sandy loam, 15 to 50 percent slopes, eroded.........20
CIC—Cortina gravelly loamy sand, 2 to 8 percent slopes...........................22
CnC—Cortina gravelly coarse sandy loam, 2 to 8 percent slopes..............23
GaA—Garretson very fine sandy loam, 0 to 2 percent slopes....................24
GaC—Garretson very fine sandy loam, 2 to 8 percent slopes....................25
HcC—Hanford coarse sandy loam, 2 to 8 percent slopes.......................... 26
PID—Placentia fine sandy loam, 5 to 15 percent slopes.............................28
PmE—Placentia cobbly fine sandy loam, 8 to 25 percent slope s..............29
RaB2—Ramona sandy loam, 2 to 5 percent slopes, eroded......................31
RaD3—Ramona sandy loam, 8 to 15 percent slopes, severely eroded......32
RuF—Rough broken land............................................................................33
VsD2—Vista coarse sandy loam, 8 to 15 percent slopes, eroded..............34
Wg—Willows silty clay, saline-alkali............................................................35
References............................................................................................................37
4
How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of soil and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil-vegetation-landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
5
Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil-landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil-landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field-observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and
6
Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.
7
Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.
8
11 11 11 11 11 11 11 11 11 11 11 it 11 11
cCRaD_3 - - AkC AICjH
tAbF
I RaD3; GaA AID ABC
I
Ra02
tea,• C m C AID o;', z
Hoff lgve
r VIIIIIIIIII
r Aa D
V'r
r AbF
RuF
RuF
lot
a. RuF
9`- RuF.
k
i r,I VsD2 a•, PmE AaD w i
AaD QaD AaD 'WJ;
11 11 11 11 11 11 iill 11 11 11 11 11 11 11
11
1 1 11 11 11
1 1 11 111 111 111
Custom Soil Resource Report
MAP LEGEND MAP INFORMATION
Area of Interest(AOI) t Spoil Area The soil surveys that comprise your AOI were mapped at
Area of Interest(AOI) 1:15,800.
Stony Spot
Soils
Very Stony Spot Please rely on the bar scale on each map sheet for map
0 Soil Map Unit Polygons measurements.
Wet Spot
Soil Map Unit Lines
C Other Source of Map: Natural Resources Conservation Service
0 Soil Map Unit Points Web Soil Survey LIRL:
Special Line Features
Special Point Features Coordinate System: Web Mercator(EPSG:3857)
V Blowout Water Features
Streams and Canals Maps from the Web Soil Survey are based on the Web Mercator
Borrow Pit projection,which preserves direction and shape but distorts
Transportation distance and area.A projection that preserves area,such as theClaySpot
Rails Albers equal-area conic projection,should be used if more
Closed Depression
ti Interstate Highways
accurate calculations of distance or area are required.
Gravel Pit
US Routes This product is generated from the USDA-NRCS certified data as
Gravelly Spot
Major Roads
of the version date(s)listed below.
c Landfill
Local Roads Soil Survey Area: Western Riverside Area,California
Lava Flow
Background Survey Area Data: Version 15,Sep 6,2022
Marsh or swamp Aerial Photography
Soil map units are labeled(as space allows)for map scales
Mine or Quarry 1:50,000 or larger.
Miscellaneous Water
Date(s)aerial images were photographed: Mar 14,2022—Mar
l;
Perennial Water 17,2022
Rock Outcrop
The orthophoto or other base map on which the soil lines were
Saline Spot compiled and digitized probably differs from the background
Sandy Spot imagery displayed on these maps.As a result,some minor
shifting of map unit boundaries may be evident.
Severely Eroded Spot
Sinkhole
Slide or Slip
oa Sodic Spot
10
Custom Soil Resource Report
Map Unit Legend (1994 SOIL MAP)
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
AaD Altamont clay,5 to 15 percent 6.9 1.1%
slopes
AbF Altamont cobbly clay,8 to 35 293.1 47.1%
percent slopes
AkC Arbuckle loam,2 to 8 percent 0.8 0.1%
slopes
AIC Arbuckle gravelly loam,2 to 9 3.6 0.6%
percent slopes,dry,MLRA 19
AID Arbuckle gravelly loam,8 to 15 14.2 2.3%
percent slopes
CkF2 Cieneba rocky sandy loam, 15 7.6 1.2%
to 50 percent slopes,eroded
CIC Cortina gravelly loamy sand,2 0.0 0.0%
to 8 percent slopes
CnC Cortina gravelly coarse sandy 15.9 2.5%
loam,2 to 8 percent slopes
GaA Garretson very fine sandy loam, 14.2 2.3%
0 to 2 percent slopes
GaC Garretson very fine sandy loam, 13.9 2.2%
2 to 8 percent slopes
HcC Hanford coarse sandy loam,2 0.7 0.1%
to 8 percent slopes
PID Placentia fine sandy loam,5 to 4.9 0.8%
15 percent slopes
PmE Placentia cobbly fine sandy 5.1 0.8%
loam,8 to 25 percent slope s
RaB2 Ramona sandy loam,2 to 5 8.5 1.4%
percent slopes,eroded
RaD3 Ramona sandy loam,8 to 15 6.5 1.1%
percent slopes,severely
eroded
RuF Rough broken land 113.4 18.2%
VsD2 Vista coarse sandy loam,8 to 3.7 0.6%
15 percent slopes,eroded
Wg Willows silty clay,saline-alkali 109.8 17.6%
Totals for Area of Interest 622.9 100.0%
Map Unit Descriptions (1994 SOIL MAP)
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
11
Custom Soil Resource Report
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Within a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
Iandform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
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Custom Soil Resource Report
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha-Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
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Custom Soil Resource Report
Western Riverside Area, California
AaD—Altamont clay, 5 to 15 percent slopes
Map Unit Setting
National map unit symbol: hcqg
Elevation: 200 to 3,250 feet
Mean annual precipitation: 9 to 25 inches
Mean annual air temperature: 59 to 63 degrees F
Frost-free period: 200 to 310 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Altamont and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Altamont
Setting
Landform: Hills
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Concave
Across-slope shape: Linear
Parent material: Residuum weathered from sedimentary rock
Typical profile
H1 - 0 to 18 inches: clay
H2- 18 to 23 inches: silty clay
H3- 23 to 27 inches: bedrock
Properties and qualities
Slope: 5 to 15 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock
Drainage class:Well drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 1 percent
Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)
Available water supply, 0 to 60 inches: Low(about 3.5 inches)
Interpretive groups
Land capability classification (irrigated): 3e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: D
Ecological site: R019XD001 CA- CLAYEY
Hydric soil rating: No
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Custom Soil Resource Report
Minor Components
Soper
Percent of map unit: 5 percent
Hydric soil rating: No
Gaviota
Percent of map unit: 5 percent
Hydric soil rating: No
Vallecitos
Percent of map unit:2 percent
Hydric soil rating: No
Altamont
Percent of map unit:2 percent
Hydric soil rating: No
Unnamed
Percent of map unit: 1 percent
Hydric soil rating: No
AbF—Altamont cobbly clay, 8 to 35 percent slopes
Map Unit Setting
National map unit symbol: hcqk
Elevation: 200 to 3,000 feet
Mean annual precipitation: 12 to 25 inches
Mean annual air temperature: 59 to 63 degrees F
Frost-free period: 250 to 310 days
Farmland classification: Not prime farmland
Map Unit Composition
Altamont and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Altamont
Setting
Landform: Hills
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Concave
Across-slope shape: Convex
Parent material: Residuum weathered from sedimentary rock
Typical profile
H1 - 0 to 18 inches: cobbly clay
H2- 18 to 23 inches: silty clay
H3- 23 to 27 inches: bedrock
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Custom Soil Resource Report
Properties and qualities
Slope: 8 to 35 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock
Drainage class:Well drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)
Available water supply, 0 to 60 inches: Very low(about 2.7 inches)
Interpretive groups
Land capability classification (irrigated): 4e
Land capability classification (nonirrigated): 6e
Hydrologic Soil Group: D
Ecological site: R019XD001 CA- CLAYEY
Hydric soil rating: No
Minor Components
Gaviota
Percent of map unit: 5 percent
Soper
Percent of map unit: 5 percent
Unnamed
Percent of map unit: 3 percent
Hydric soil rating: No
Unnamed
Percent of map unit:2 percent
Hydric soil rating: No
AkC—Arbuckle loam, 2 to 8 percent slopes
Map Unit Setting
National map unit symbol: hcqp
Elevation: 100 to 1,600 feet
Mean annual precipitation: 12 to 35 inches
Mean annual air temperature: 57 to 64 degrees F
Frost-free period: 200 to 280 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Arbuckle and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
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Custom Soil Resource Report
Description of Arbuckle
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 12 inches: loam
H2- 12 to 26 inches: loam
H3- 26 to 45 inches: gravelly loam
H4 -45 to 68 inches: stratified sandy loam to very gravelly sandy clay loam
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: High
Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20
to 0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.5 inches)
Interpretive groups
Land capability classification (irrigated): 2e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Garretson
Percent of map unit: 5 percent
Hydric soil rating: No
Perkins
Percent of map unit: 5 percent
Hydric soil rating: No
Cortina
Percent of map unit: 5 percent
Hydric soil rating: No
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Custom Soil Resource Report
AIC—Arbuckle gravelly loam, 2 to 9 percent slopes, dry, MLRA 19
Map Unit Setting
National map unit symbol: 2w8cx
Elevation: 690 to 1,470 feet
Mean annual precipitation: 11 to 18 inches
Mean annual air temperature: 64 to 65 degrees F
Frost-free period: 325 to 359 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Arbuckle and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Arbuckle
Setting
Landform: Fan remnants
Landform position (two-dimensional):Toeslope
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from igneous, metamorphic and sedimentary
rock
Typical profile
Ap- 0 to 6 inches: gravelly loam
A - 6 to 12 inches: gravelly very fine sandy loam
Bw- 12 to 26 inches: gravelly loam
Bt1 -26 to 30 inches: gravelly clay loam
Bt2-30 to 45 inches: gravelly clay loam
C-45 to 68 inches: very gravelly sandy loam
Properties and qualities
Slope: 2 to 9 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20
to 0.60 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Maximum salinity: Nonsaline (0.2 to 0.5 mmhos/cm)
Available water supply, 0 to 60 inches: Moderate (about 6.7 inches)
Interpretive groups
Land capability classification (irrigated): 2e
Land capability classification (nonirrigated): 3e
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Custom Soil Resource Report
Hydrologic Soil Group: C
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Perkins
Percent of map unit: 5 percent
Hydric soil rating: No
Garretson
Percent of map unit: 5 percent
Hydric soil rating: No
Cortina
Percent of map unit: 5 percent
Hydric soil rating: No
AID—Arbuckle gravelly loam, 8 to 15 percent slopes
Map Unit Setting
National map unit symbol: hcqs
Elevation: 100 to 1,600 feet
Mean annual precipitation: 12 to 35 inches
Mean annual air temperature: 57 to 64 degrees F
Frost-free period: 200 to 280 days
Farmland classification: Not prime farmland
Map Unit Composition
Arbuckle and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Arbuckle
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Concave
Across-slope shape: Linear
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 26 inches: gravelly loam
H2- 26 to 45 inches: gravelly clay loam
H3-45 to 68 inches: stratified very gravelly sandy loam to very gravelly sandy
clay loam
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
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Custom Soil Resource Report
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20
to 0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.5 inches)
Interpretive groups
Land capability classification (irrigated): 3e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Perkins
Percent of map unit: 5 percent
Hydric soil rating: No
Cortina
Percent of map unit: 5 percent
Hydric soil rating: No
Garretson
Percent of map unit: 5 percent
Hydric soil rating: No
CkF2—Cieneba rocky sandy loam, 15 to 50 percent slopes, eroded
Map Unit Setting
National map unit symbol: hcsf
Elevation: 500 to 4,000 feet
Mean annual precipitation: 12 to 35 inches
Mean annual air temperature: 57 to 64 degrees F
Frost-free period: 200 to 300 days
Farmland classification: Not prime farmland
Map Unit Composition
Cieneba and similar soils: 75 percent
Minor components: 25 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Cieneba
Setting
Landform: Hills
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Concave
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Custom Soil Resource Report
Across-slope shape: Convex
Parent material: Residuum weathered from igneous rock
Typical profile
H1 - 0 to 14 inches: sandy loam
H2- 14 to 22 inches: weathered bedrock
Properties and qualities
Slope: 15 to 50 percent
Depth to restrictive feature: 14 to 22 inches to paralithic bedrock
Drainage class: Somewhat excessively drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
low(0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low(about 1.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 7e
Hydrologic Soil Group: D
Ecological site: R019XD060CA- SHALLOW LOAMY
Hydric soil rating: No
Minor Components
Rock outcrop
Percent of map unit: 10 percent
Hydric soil rating: No
Friant
Percent of map unit: 3 percent
Hydric soil rating: No
Unnamed
Percent of map unit: 3 percent
Hydric soil rating: No
Escondido
Percent of map unit: 3 percent
Hydric soil rating: No
Vista
Percent of map unit: 3 percent
Hydric soil rating: No
Fallbrook
Percent of map unit: 3 percent
Hydric soil rating: No
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Custom Soil Resource Report
CIC—Cortina gravelly loamy sand, 2 to 8 percent slopes
Map Unit Setting
National map unit symbol: hcsg
Elevation: 30 to 2,400 feet
Mean annual precipitation: 8 to 20 inches
Mean annual air temperature: 61 to 63 degrees F
Frost-free period: 240 to 270 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Cortina and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Cortina
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Concave
Across-slope shape: Linear
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 23 inches: gravelly loamy sand
H2- 23 to 38 inches: stratified very gravelly loamy sand to very gravelly loam
H3-38 to 60 inches: stratified very gravelly sand to very gravelly loamy sand
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Somewhat excessively drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 5.95
in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: Rare
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low(about 3.3 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 7w
Hydrologic Soil Group: A
Ecological site: R019XD069CA- SANDY ALLUVIAL
Hydric soil rating: No
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Custom Soil Resource Report
Minor Components
Riverwash
Percent of map unit: 10 percent
Landform: Channels
Hydric soil rating: Yes
Garretson
Percent of map unit: 5 percent
Hydric soil rating: No
CnC—Cortina gravelly coarse sandy loam, 2 to 8 percent slopes
Map Unit Setting
National map unit symbol: hcsj
Elevation: 30 to 2,400 feet
Mean annual precipitation: 8 to 20 inches
Mean annual air temperature: 61 to 63 degrees F
Frost-free period: 240 to 270 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Cortina and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Cortina
Setting
Landform:Alluvial fans
Landform position (two-dimensional):Toeslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 23 inches: gravelly sandy loam
H2- 23 to 38 inches: stratified very gravelly loamy sand to very gravelly loam
H3-38 to 60 inches: stratified very gravelly sand to very gravelly loamy sand
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Somewhat excessively drained
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 5.95
in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
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Custom Soil Resource Report
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low(about 4.5 inches)
Interpretive groups
Land capability classification (irrigated): 3s
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: A
Ecological site: R019XD035CA-SANDY
Hydric soil rating: No
Minor Components
Arbuckle
Percent of map unit: 10 percent
Hydric soil rating: No
Garretson
Percent of map unit: 5 percent
Hydric soil rating: No
GaA—Garretson very fine sandy loam, 0 to 2 percent slopes
Map Unit Setting
National map unit symbol: hcv1
Elevation: 490 to 1,480 feet
Mean annual precipitation: 12 to 25 inches
Mean annual air temperature: 61 to 64 degrees F
Frost-free period: 220 to 280 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Garretson and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Garretson
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 10 inches: very fine sandy loam
H2- 10 to 60 inches: loam
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
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Custom Soil Resource Report
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high
0.57 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 9.0 inches)
Interpretive groups
Land capability classification (irrigated): 1
Land capability classification (nonirrigated): 3c
Hydrologic Soil Group: B
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Perkins
Percent of map unit: 5 percent
Hydric soil rating: No
Arbuckle
Percent of map unit: 5 percent
Hydric soil rating: No
Cortina
Percent of map unit: 5 percent
Hydric soil rating: No
GaC—Garretson very fine sandy loam, 2 to 8 percent slopes
Map Unit Setting
National map unit symbol: hcv2
Elevation: 430 to 1,740 feet
Mean annual precipitation: 12 to 25 inches
Mean annual air temperature: 61 to 64 degrees F
Frost-free period: 220 to 280 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Garretson and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Garretson
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
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Custom Soil Resource Report
Parent material:Alluvium derived from metasedimentary rock
Typical profile
H1 - 0 to 10 inches: very fine sandy loam
H2- 10 to 60 inches: loam
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high
0.57 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 9.0 inches)
Interpretive groups
Land capability classification (irrigated): 2e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: B
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Cortina
Percent of map unit: 5 percent
Hydric soil rating: No
Arbuckle
Percent of map unit: 5 percent
Hydric soil rating: No
Perkins
Percent of map unit: 5 percent
Hydric soil rating: No
HcC—Hanford coarse sandy loam, 2 to 8 percent slopes
Map Unit Setting
National map unit symbol: 2y8tk
Elevation: 680 to 2,930 feet
Mean annual precipitation: 9 to 17 inches
Mean annual air temperature: 63 to 65 degrees F
Frost-free period: 290 to 365 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Hanford and similar soils: 85 percent
Minor components: 15 percent
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Custom Soil Resource Report
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Hanford
Setting
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from granite
Typical profile
A -0 to 8 inches: coarse sandy loam
C1 - 8 to 40 inches: fine sandy loam
C2-40 to 60 inches: stratified loamy sand to coarse sandy loam
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat): High (1.98 to 5.95
in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)
Available water supply, 0 to 60 inches: Moderate (about 7.0 inches)
Interpretive groups
Land capability classification (irrigated): 2e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: A
Ecological site: R019XD012CA-SANDY
Hydric soil rating: No
Minor Components
Greenfield
Percent of map unit: 5 percent
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Hydric soil rating: No
Ramona
Percent of map unit: 5 percent
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Hydric soil rating: No
Unnamed
Percent of map unit:2 percent
Hydric soil rating: No
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Custom Soil Resource Report
Tujunga
Percent of map unit:2 percent
Landform:Alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Hydric soil rating: No
Unnamed
Percent of map unit: 1 percent
Hydric soil rating: No
PID—Placentia fine sandy loam, 5 to 15 percent slopes
Map Unit Setting
National map unit symbol: hcxw
Elevation: 50 to 2,500 feet
Mean annual precipitation: 12 to 18 inches
Mean annual air temperature: 61 to 64 degrees F
Frost-free period: 200 to 300 days
Farmland classification: Not prime farmland
Map Unit Composition
Placentia and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Placentia
Setting
Landform:Terraces, alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from granite
Typical profile
H1 - 0 to 18 inches: fine sandy loam
H2- 18 to 39 inches: clay
H3-39 to 57 inches: clay loam
H4 - 57 to 60 inches: gravelly sandy loam
Properties and qualities
Slope: 5 to 15 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Moderately well drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
low(0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
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Custom Soil Resource Report
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 5 percent
Maximum salinity:Very slightly saline to moderately saline (2.0 to 8.0 mmhos/cm)
Sodium adsorption ratio, maximum: 50.0
Available water supply, 0 to 60 inches: Low (about 4.8 inches)
Interpretive groups
Land capability classification (irrigated): 4e
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: D
Ecological site: R019XD061 CA- CLAYPAN
Hydric soil rating: No
Minor Components
Greenfield
Percent of map unit: 5 percent
Hydric soil rating: No
Hanford
Percent of map unit: 5 percent
Hydric soil rating: No
Ramona
Percent of map unit:4 percent
Hydric soil rating: No
Unnamed, ponded
Percent of map unit: 1 percent
Landform: Depressions
Hydric soil rating: Yes
PmE—Placentia cobbly fine sandy loam, 8 to 25 percent slope s
Map Unit Setting
National map unit symbol: hcxx
Elevation: 50 to 2,500 feet
Mean annual precipitation: 12 to 18 inches
Mean annual air temperature: 61 to 64 degrees F
Frost-free period: 200 to 300 days
Farmland classification: Not prime farmland
Map Unit Composition
Placentia and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Placentia
Setting
Landform:Terraces, alluvial fans
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Custom Soil Resource Report
Landform position (three-dimensional):Tread
Down-slope shape: Linear, concave
Across-slope shape: Linear, convex
Parent material:Alluvium derived from granite
Typical profile
H1 - 0 to 18 inches: cobbly fine sandy loam
H2- 18 to 39 inches: clay
H3-39 to 57 inches: clay loam
H4 - 57 to 60 inches: gravelly sandy loam
Properties and qualities
Slope: 8 to 25 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Moderately well drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
low(0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 5 percent
Maximum salinity:Very slightly saline to moderately saline (2.0 to 8.0 mmhos/cm)
Sodium adsorption ratio, maximum: 50.0
Available water supply, 0 to 60 inches: Low (about 4.3 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 6e
Hydrologic Soil Group: D
Ecological site: R019XD061 CA- CLAYPAN
Hydric soil rating: No
Minor Components
Greenfield
Percent of map unit: 5 percent
Hydric soil rating: No
Hanford
Percent of map unit: 5 percent
Hydric soil rating: No
Ramona
Percent of map unit:4 percent
Hydric soil rating: No
Unnamed, ponded
Percent of map unit: 1 percent
Landform: Depressions
Hydric soil rating: Yes
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Custom Soil Resource Report
RaB2—Ramona sandy loam, 2 to 5 percent slopes, eroded
Map Unit Setting
National map unit symbol: hcy5
Elevation: 250 to 3,500 feet
Mean annual precipitation: 10 to 20 inches
Mean annual air temperature: 63 degrees F
Frost-free period: 230 to 320 days
Farmland classification: Prime farmland if irrigated
Map Unit Composition
Ramona and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Ramona
Setting
Landform:Terraces, alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from granite
Typical profile
H1 - 0 to 14 inches: sandy loam
H2- 14 to 23 inches: fine sandy loam
H3- 23 to 68 inches: sandy clay loam
H4 - 68 to 74 inches: gravelly sandy loam
Properties and qualities
Slope: 2 to 5 percent
Depth to restrictive feature: More than 80 inches
Drainage class:Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20
to 0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 1 percent
Available water supply, 0 to 60 inches: Moderate (about 8.1 inches)
Interpretive groups
Land capability classification (irrigated): 2e
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
31
Custom Soil Resource Report
Minor Components
Hanford
Percent of map unit:4 percent
Hydric soil rating: No
Arlington
Percent of map unit:4 percent
Hydric soil rating: No
Greenfield
Percent of map unit:4 percent
Hydric soil rating: No
Tujunga
Percent of map unit: 3 percent
Hydric soil rating: No
RaD3—Ramona sandy loam, 8 to 15 percent slopes, severely eroded
Map Unit Setting
National map unit symbol: hcyb
Elevation: 250 to 3,500 feet
Mean annual precipitation: 10 to 20 inches
Mean annual air temperature: 63 degrees F
Frost-free period: 230 to 320 days
Farmland classification: Not prime farmland
Map Unit Composition
Ramona and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Ramona
Setting
Landform:Terraces, alluvial fans
Landform position (three-dimensional):Tread
Down-slope shape: Linear, concave
Across-slope shape: Linear
Parent material:Alluvium derived from granite
Typical profile
H1 - 0 to 8 inches: sandy loam
H2- 8 to 17 inches: fine sandy loam
H3- 17 to 68 inches: sandy clay loam
H4 - 68 to 74 inches: gravelly sandy loam
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: More than 80 inches
32
Custom Soil Resource Report
Drainage class:Well drained
Runoff class: High
Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20
to 0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 1 percent
Available water supply, 0 to 60 inches: Moderate (about 8.4 inches)
Interpretive groups
Land capability classification (irrigated): 4e
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: C
Ecological site: R019XD029CA- LOAMY
Hydric soil rating: No
Minor Components
Greenfield
Percent of map unit: 5 percent
Hydric soil rating: No
Hanford
Percent of map unit: 5 percent
Hydric soil rating: No
Tujunga
Percent of map unit: 5 percent
Hydric soil rating: No
RuF—Rough broken land
Map Unit Composition
Rough broken land: 100 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Rough Broken Land
Setting
Down-slope shape: Concave
Across-slope shape: Convex
Parent material: Residuum derived from mixed sources
Typical profile
H1 - 0 to 60 inches: unweathered bedrock
Properties and qualities
Slope: 30 to 50 percent
Depth to restrictive feature: 0 to 3 inches to paralithic bedrock
Runoff class: Very high
33
Custom Soil Resource Report
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 8
Hydric soil rating: No
VsD2—Vista coarse sandy loam, 8 to 15 percent slopes, eroded
Map Unit Setting
National map unit symbol: hczy
Elevation: 400 to 3,900 feet
Mean annual precipitation: 10 to 18 inches
Mean annual air temperature: 59 to 64 degrees F
Frost-free period: 210 to 300 days
Farmland classification: Not prime farmland
Map Unit Composition
Vista and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Vista
Setting
Landform: Hills
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Concave
Across-slope shape: Convex
Parent material: Residuum weathered from granite and/or residuum weathered
from granodiorite
Typical profile
H1 - 0 to 15 inches: coarse sandy loam
H2- 15 to 24 inches: coarse sandy loam
H3- 24 to 28 inches: weathered bedrock
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock
Drainage class:Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
low(0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low(about 2.4 inches)
Interpretive groups
Land capability classification (irrigated): 4e
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: B
Ecological site: R019XD029CA- LOAMY
34
Custom Soil Resource Report
Hydric soil rating: No
Minor Components
Bonsall
Percent of map unit: 5 percent
Hydric soil rating: No
Cieneba
Percent of map unit: 5 percent
Hydric soil rating: No
Fallbrook
Percent of map unit: 5 percent
Hydric soil rating: No
Wg—Willows silty clay, saline-alkali
Map Unit Setting
National map unit symbol: hd08
Elevation: 0 to 1,700 feet
Mean annual precipitation: 19 inches
Mean annual air temperature: 61 degrees F
Frost-free period: 210 to 250 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Willows and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Willows
Setting
Landform: Basin floors
Landform position (three-dimensional):Talf
Down-slope shape: Linear
Across-slope shape: Linear
Parent material:Alluvium derived from mixed sources
Typical profile
H1 - 0 to 10 inches: silty clay
H2- 10 to 60 inches: clay
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
low(0.00 to 0.06 in/hr)
Depth to water table:About 0 inches
35
Custom Soil Resource Report
Frequency of flooding: Rare
Frequency of ponding: None
Calcium carbonate, maximum content. 5 percent
Maximum salinity: Slightly saline to strongly saline (4.0 to 16.0 mmhos/cm)
Sodium adsorption ratio, maximum: 2.0
Available water supply, 0 to 60 inches: Low (about 5.1 inches)
Interpretive groups
Land capability classification (irrigated): 3w
Land capability classification (nonirrigated): 4w
Hydrologic Soil Group: D
Ecological site: R019XD068CA-SILTY BASIN
Hydric soil rating: No
Minor Components
Madera
Percent of map unit. 5 percent
Hydric soil rating: No
Chino
Percent of map unit. 5 percent
Hydric soil rating: No
Domino
Percent of map unit. 5 percent
Hydric soil rating: No
36
References
American Association of State Highway and Transportation Officials (AASHTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep-water habitats of the United States. U.S. Fish and Wildlife
Service FWS/OBS-79/31.
Federal Register. July 13, 1994. Changes in hydric soils of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service.
U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/
nres/detail/national/soils/?cid=nres 142p2_054262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053577
Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of
Agriculture, Natural Resources Conservation Service. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nresl42p2_053580
Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and
Delaware Department of Natural Resources and Environmental Control, Wetlands
Section.
United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of
Engineers wetlands delineation manual. Waterways Experiment Station Technical
Report Y-87-1.
United States Department of Agriculture, Natural Resources Conservation Service.
National forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/
home/?cid=nres142p2_053374
United States Department of Agriculture, Natural Resources Conservation Service.
National range and pasture handbook. http://www.nres.usda.gov/wps/portal/nres/
detail/national/landuse/rangepasture/?cid=stelprdb1043084
37
Custom Soil Resource Report
United States Department of Agriculture, Natural Resources Conservation Service.
National soil survey handbook, title 430-VI. http://www.nres.usda.gov/wps/portal/
nres/detail/soils/scientists/?cid=nres142p2_054242
United States Department of Agriculture, Natural Resources Conservation Service.
2006. Land resource regions and major land resource areas of the United States,
the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook
296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/?
cid=nres142p2_053624
United States Department of Agriculture, Soil Conservation Service. 1961. Land
capability classification. U.S. Department of Agriculture Handbook 210. http://
www.nrcs.usda.gov/lnternet/FSE—DOCUMENTS/nrcsl 42p2_052290.pdf
38
Appendix 4: Historical Site Conditions
Phase 1 Environmental Site Assessment or Other Information on Past Site Use
34-
Appendix 5: LID Infeasibility
LID Technical Infeasibility Analysis
35 -
Technical Infeasibility Criteria
Technical infeasibility for on-site infiltration may result from conditions including the following:
1. The corrected in-situ infiltration rate is less than 0.3 inches per hour, as determined by
infiltration test, and it is not technically feasible to amend the in-situ soils to attain an infiltration
rate necessary to achieve reliable performance of retention-based stormwater quality control
measures;
2. Locations where the seasonal high groundwater level is within 10 feet of the surface, as
determined by soils investigations;
3. Locations within 100 feet of a groundwater well used for drinking water;
4. Brownfield development sites where infiltration poses a risk of pollutant mobilization;
5. Other locations where pollutant mobilization is a documented concern (e.g., at or near
properties that are contaminated or store hazardous substances underground);
6. Locations with potential geotechnical hazards;
7. Smart growth and infill or redevelopment locations where the density and/or nature of the
project would create significant difficulty for compliance with the onsite retention requirement;
8. Locations where infiltration may adversely impact biological resources; or
9. Locations where infiltration may cause health and safety concerns.
It may be technically infeasible for stormwater runoff harvest and use for the following situations:
1. Projects that would not provide sufficient irrigation or(where permitted) domestic grey water
demand for use of stored stormwater runoff due to limited landscaping or extensive use of low
water use plant palettes in landscaped areas;
2. Projects that are required to use recycled water for landscape irrigation;
3. Projects in which the harvest and use of stormwater runoff would conflict with local, state, or
federal ordinances or building codes;
4. Locations where storage facilities may cause potential geotechnical hazards as outlined in the
geotechnical report; or
5. Locations where storage facilities may cause health and safety concerns.
It may be technically infeasible for Bioretention (with underdrains)for the following situations:
1. Projects that have less than 0.3 in/hr infiltration rate and do not have sufficient land area to
construct an above ground system;
2. Projects that have no potential connection to existing or proposed storm drain systems.
Appendix 6: BMP Design Details
BMP Sizing, Design Details and other Supporting Documentation
36-
Santa Ana Watershed-BMP Design Volume,VBmp Legend.
Required Entries
Rev.10-2011)
g
I Calculated Cells
Note this worksheet shall only be used in conjunction with BMP designs from the LID BMP Design Handbook)
Company Name KWC Engineers Date 8/l/2023
Designed by Andrew Burror Case No
Company Project Number/Name 19.1994 Baker Industrial
BMP Identification
BMP NAME/ID DMA A
Must match Name/ID used on BMP Design Calculation Sheet
Design Rainfall Depth
85th Percentile,24-hour Rainfall Depth, Day— 0.68 inches
from the Isohyetal Map in Handbook Appendix E
Drainage Management Area Tabulation
Insert additional rows if needed to accommodate all DMAs draining to the BMP
Proposed
Effective DMA Design Design Capture Volume on
DMA DMA Area Post-Project Surface Imperivous Runoff DMA Areas x Storm Volume, VBmp plans(cubic
Type/ID (square feet) Type Fraction,If Factor Runoff Factor Depth(in) (cubic feet) feet)
Roofs 206982 Roofs 1 0.89 184627.9
Concrete 190002 Concrete or Asphalt 1 0.89 169481.8
Landscape 54162
Ornamental
0.1 0.11 5982.6
Landscaping
451146 Total 360092.3 0.68 20405.2 21,481
Notes:
Santa Ana Watershed-BMP Design Volume,VBmp Legend.
Required Entries
Rev.10-2011)
g
I Calculated Cells
Note this worksheet shall only be used in conjunction with BMP designs from the LID BMP Design Handbook)
Company Name KWC Engineers Date 8/l/2023
Designed by Andrew Burror Case No
Company Project Number/Name 19.1994 Baker Industrial
BMP Identification
BMP NAME/ID DMA B
Must match Name/ID used on BMP Design Calculation Sheet
Design Rainfall Depth
85th Percentile,24-hour Rainfall Depth, Day— 0.68 inches
from the Isohyetal Map in Handbook Appendix E
Drainage Management Area Tabulation
Insert additional rows if needed to accommodate all DMAs draining to the BMP
Proposed
Effective DMA Design Design Capture Volume on
DMA DMA Area Post-Project Surface Imperivous Runoff DMA Areas x Storm Volume, VBmp plans(cubic
Type/ID (square feet) Type Fraction,If Factor Runoff Factor Depth(in) (cubic feet) feet)
Roofs 282014 Roofs 1 0.89 251556.5
Concrete 241295 Concrete or Asphalt 1 0.89 215235.1
Landscape 150599
Ornamental
0.1 0.11 16634.9
Landscaping
673908 Total 483426.5 0.68 27394.2 28,295
Notes:
Santa Ana Watershed-BMP Design Volume,VBmp Legend.
Required Entries
Rev.10-2011)
g
I Calculated Cells
Note this worksheet shall only be used in conjunction with BMP designs from the LID BMP Design Handbook)
Company Name KWC Engineers Date 8/l/2023
Designed by Andrew Burror Case No
Company Project Number/Name 19.1994 Baker Industrial
BMP Identification
BMP NAME/ID DMA C
Must match Name/ID used on BMP Design Calculation Sheet
Design Rainfall Depth
85th Percentile,24-hour Rainfall Depth, 1)85— 0.68 inches
from the Isohyetal Map in Handbook Appendix E
Drainage Management Area Tabulation
Insert additional rows if needed to accommodate all DMAs draining to the BMP
Proposed
Effective DMA Design Design Capture Volume on
DMA DMA Area Post-Project Surface Imperivous Runoff DMA Areas x Storm Volume, VBmp plans(cubic
Type/ID (square feet) Type Fraction,If Factor Runoff Factor Depth(in) (cubic feet) feet)
Roofs 496409 Roofs 1 0.89 442796.8
Concrete 552554 Concrete or Asphalt 1 0.89 492878.2
Landscape 259968
Ornamental
0.1 0.11 28715.5
Landscaping
1308931 Total 964390.5 0.68 54648.8 55,405
Notes:
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for the 85th Percentile
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24 hour Storm Event
July 2011
ENGINEERED
PROJECT INFORMATION
MANAGER A".
SiteAssist
FOR STORMTECH
ADS SALES REP INSTALLATION INSTRUCTIONS
PROJECT NO. Advanced Drainage Systems, Inc.
VISIT OUR APP
1994 BAKER INDUSTRIAL DMA A
LAKE ELSINORE, CA, USA
MC-4500 STORMTECH CHAMBER SPECIFICATIONS IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF MC-4500 CHAMBER SYSTEM
1. CHAMBERS SHALL BE STORMTECH MC-4500.
1. STORMTECH MC-4500 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTATIVE HAS COMPLETED A
PRE-CONSTRUCTION MEETING WITH THE INSTALLERS.
2. CHAMBERS SHALL BE ARCH-SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN,IMPACT-MODIFIED POLYPROPYLENE 2. STORMTECH MC-4500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE"STORMTECH MC-3500/MC-4500 CONSTRUCTION GUIDE".
COPOLYMERS.
3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR EXCAVATOR SITUATED OVER THE CHAMBERS.
3. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418,"STANDARD SPECIFICATION FOR POLYPROPYLENE(PP)CORRUGATED STORMTECH RECOMMENDS 3 BACKFILL METHODS:
WALL STORMWATER COLLECTION CHAMBERS"CHAMBER CLASSIFICATION 60x101. STONESHOOTER LOCATED OFF THE CHAMBER BED.
BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE.
4. CHAMBER ROWS SHALL PROVIDE CONTINUOUS,UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL SUPPORTS THAT WOULD BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR.
IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.
4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS.
5. THE STRUCTURAL DESIGN OF THE CHAMBERS,THE STRUCTURAL BACKFILL,AND THE INSTALLATION REQUIREMENTS SHALL ENSURE
THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS,SECTION 12.12,ARE MET FOR: 1) 5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE.
LONG-DURATION DEAD LOADS AND 2)SHORT-DURATION LIVE LOADS,BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION
FOR IMPACT AND MULTIPLE VEHICLE PRESENCES. 6. MAINTAIN MINIMUM 9"(230 mm)SPACING BETWEEN THE CHAMBER ROWS.
6. CHAMBERS SHALL BE DESIGNED,TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN ACCORDANCE WITH ASTM F2787, 7. INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 12"(300 mm)INTO CHAMBER END CAPS.
STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
g EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN,CRUSHED,ANGULAR STONE MEETING THE AASHTO M43 DESIGNATION OF#3
LOAD CONFIGURATIONS SHALL INCLUDE:1)INSTANTANEOUS(<1 MIN)AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2)
OR#4.
MAXIMUM PERMANENT(75-YR)COVER LOAD AND 3)ALLOWABLE COVER WITH PARKED(1-WEEK) AASHTO DESIGN TRUCK.
7. REQUIREMENTS FOR HANDLING AND INSTALLATION:
9. STONE SHALL BE BROUGHT UP EVENLY AROUND CHAMBERS SO AS NOT TO DISTORT THE CHAMBER SHAPE.STONE DEPTHS SHOULD NEVER
DIFFER BY MORE THAN 12"(300 mm)BETWEEN ADJACENT CHAMBER ROWS.
TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING,CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING
STACKING LUGS. 10. STONE MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE AND PRESERVE ROW SPACING.
TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL,THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS
THAN 3". 11. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIAL BEARING CAPACITIES TO THE SITE DESIGN
TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION,a)THE ARCH STIFFNESS CONSTANT SHALL BE ENGINEER.
GREATER THAN OR EQUAL TO 450 LBS/FT/%.THE ASC IS DEFINED IN SECTION 6.2.8 OF ASTM F2418.AND b)TO RESIST CHAMBER
DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES(ABOVE 73°F/23°C),CHAMBERS SHALL BE PRODUCED 12. ADS RECOMMENDS THE USE OF"FLEXSTORM CATCH IT"INSERTS DURING CONSTRUCTION FOR ALL INLETS TO PROTECT THE SUBSURFACE
FROM REFLECTIVE GOLD OR YELLOW COLORS. STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE RUNOFF.
8. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED.UPON REQUEST BY THE SITE DESIGN NOTES FOR CONSTRUCTION EQUIPMENT
ENGINEER OR OWNER,THE CHAMBER MANUFACTURER SHALL SUBMIT A STRUCTURAL EVALUATION FOR APPROVAL BEFORE
DELIVERING CHAMBERS TO THE PROJECT SITE AS FOLLOWS: 1. STORMTECH MC-4500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE"STORMTECH MC-3500/MC-4500 CONSTRUCTION GUIDE".
THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER.
THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATER THAN OR EQUAL TO 1.95 FOR 2. THE USE OF EQUIPMENT OVER MC-4500 CHAMBERS IS LIMITED:
DEAD LOAD AND 1.75 FOR LIVE LOAD,THE MINIMUM REQUIRED BY ASTM F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.
LRFD BRIDGE DESIGN SPECIFICATIONS FOR THERMOPLASTIC PIPE. NO RUBBER TIRED LOADER,DUMP TRUCK,OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED IN ACCORDANCE
THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENT DEAD LOAD DESIGN WITH THE"STORMTECH MC-3500/MC-4500 CONSTRUCTION GUIDE".
EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN. WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE"STORMTECH MC-3500/MC-4500 CONSTRUCTION GUIDE".
9. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY. 3. FULL 36"(900 mm)OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP TRUCK TRAVEL OR DUMPING.
USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO CHAMBERS AND IS NOT AN ACCEPTABLE
BACKFILL METHOD.ANY CHAMBERS DAMAGED BY USING THE"DUMP AND PUSH"METHOD ARE NOT COVERED UNDER THE STORMTECH STANDARD
WARRANTY.
CONTACT STORMTECH AT 1-888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT.
2023 ADS,INC.
PROPOSED LAYOUT: DMA A CONCEPTUAL ELEVATIONS INVERT ABOVE BASE OF CHAMBERTEMON
Q
116 STORMTECH MC-4500 CHAMBERS MAXIMUM ALLOWABLE GRADE(TOP OF PAVEMENT/UNPAVED): 12.75 PART TYPE
LAYOUT
DESCRIPTION INVERT MAX FLOW <
8 STORMTECH MC-4500 END CAPS MINIMUM ALLOWABLE GRADE(UNPAVED WITH TRAFFIC): 8.25 18"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP18B/TYP OF ALL 18"BOTTOM w
12 STONE ABOVE(in) MINIMUM ALLOWABLE GRADE(UNPAVED NO TRAFFIC): 7.75 PREFABRICATED END CAP A 1.97" 0 QCONNECTIONS
9 STONE BELOW(in) MINIMUM ALLOWABLE GRADE(TOP OF RIGID CONCRETE PAVEMENT): 7.75 J Q z w
40 STONE VOID MINIMUM ALLOWABLE GRADE(BASE OF FLEXIBLE PAVEMENT): 7.75 PREFABRICATED END CAP B
24"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP24B/TYP OF ALL 24"BOTTOM
2 26„ Q D
co
Lu z
INSTALLED SYSTEM VOLUME(CF) TOP OF STONE: 6.75 CONNECTIONS AND ISOLATOR PLUS ROWS z w O
PERIMETER STONE INCLUDED) TOP OF MC-4500 CHAMBER:5.75 FLAMP C INSTALL FLAMP ON 24"ACCESS PIPE/PART#:MCFLAMP v U
21016 (COVER STONE INCLUDED) 24"ISOLATOR ROW PLUS INVERT: 0.94 MANIFOLD D 18"x 18"BOTTOM MANIFOLD,ADS N-12 1.97" W ui _
BASE STONE INCLUDED 18"x 18"BOTTOM MANIFOLD INVERT: 0.91 MANIFOLD E 18"x 18"BOTTOM MANIFOLD,ADS N-12 1.97" of o U z
4968 ISYSTEM AREA(SF) 18"x 18"BOTTOM MANIFOLD INVERT: 0.91 CONCRETE STRUCTURE F OCS(DESIGN BY ENGINEER/PROVIDED BY OTHERS) 8.0 CFS OUT 0 z o
341.3 SYSTEM PERIMETER(ft) 18"BOTTOM CONNECTION INVERT: 0.91 CONCRETE STRUCTURE
C, (DESIGN BY ENGINEER/PROVIDED BY OTHERS)16.5 CFS IN Z oBOTTOMOFMC-4500 CHAMBER: 0.75 W/WEIR w
UNDERDRAIN INVERT: 0.00 UNDERDRAIN H 6"ADS N-12 DUAL WALL PERFORATED HDPE UNDERDRAIN Lu
w a
BOTTOM OF STONE:I u.uul Y J zz
Q t
00 H °
w
w
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a
w
w
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O_ wW
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132.46' a w s
w d
122.19'
U
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SEE DETAIL)LL\m
NOTES
0
PLACE MINIMUM 17.50'OF ADSPLUS175 WOVEN GEOTEXTILE OVER BEDDING MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER.SEE TECH NOTE#6.32 FOR MANIFOLD SIZING GUIDANCE. z J
STONE AND UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT ALL DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS,IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD a wIffzCOMPONENTSINTHEFIELD. 000
CHAMBER INLET ROWS THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER REQUIREMENTS ARE MET. L
THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE-SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY.THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR
DETERMINING
SHEET
BED LIMITS
THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS.THE BASE STONE DEPTH MAY BE INCREASED OR DECREASED ONCE THIS INFORMATION IS
PROVIDED.
NOT FOR CONSTRUCTION:THIS LAYOUT IS FOR DIMENSIONAL PURPOSES ONLY TO PROVE CONCEPT&THE REQUIRED STORAGE VOLUME CAN BE ACHIEVED ON SITE. 2 OF 7
PROPOSED LAYOUT: DMA B CONCEPTUAL ELEVATIONS INVERT ABOVE BASE OF CHAMBER
TEM ON
Q
158 STORMTECH MC-4500 CHAMBERS MAXIMUM ALLOWABLE GRADE(TOP OF PAVEMENT/UNPAVED): 12.75 PART TYPE
LAYOU
DESCRIPTION INVERT MAX FLOW <
8 STORMTECH MC 4500 END CAPS MINIMUM ALLOWABLE GRADE(UNPAVED WITH TRAFFIC): 8.25 24"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP24B/TYP OF ALL 24"BOTTOM w
12 STONE ABOVE(in) MINIMUM ALLOWABLE GRADE(UNPAVED NO TRAFFIC): 7.75 PREFABRICATED END CAP A 2.26" 0 QCONNECTIONSANDISOLATORPLUSROWS
9 STONE BELOW(in) MINIMUM ALLOWABLE GRADE(TOP OF RIGID CONCRETE PAVEMENT): 7.75 J Q z w
40 STONE VOID MINIMUM ALLOWABLE GRADE(BASE OF FLEXIBLE PAVEMENT): 7.75 PREFABRICATED END CAP B
18"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP18B/TYP OF ALL 18"BOTTOM
1 97" Q D Q Lu z
INSTALLED SYSTEM VOLUME(CF) TOP OF STONE: 6.75 CONNECTIONS of z w d
PERIMETER STONE INCLUDED) TOP OF MC-4500 CHAMBER:5.75 FLAMP C INSTALL FLAMP ON 24"ACCESS PIPE/PART#:MCFLAMP v 3: U u
28123 (COVER STONE INCLUDED) 24"x 24"BOTTOM MANIFOLD INVERT: 0.94 MANIFOLD D 24"x 24"BOTTOM MANIFOLD,ADS N-12 2.26" W ui of =
BASE STONE INCLUDED 24"ISOLATOR ROW PLUS INVERT: 0.94 MANIFOLD E 18"x 18"BOTTOM MANIFOLD,ADS N-12 1.97" of o U z
6606 ISYSTEM AREA(SF) 18"x 18"BOTTOM MANIFOLD INVERT: 0.91 CONCRETE STRUCTURE F OCS(DESIGN BY ENGINEER/PROVIDED BY OTHERS) 8.0 CFS OUT 0 z
0
422.5 16Y61 EM PERIMETER(ft) 18"BOTTOM CONNECTION INVERT: 0.91 CONCRETE STRUCTURE 10
C, (DESIGN BY ENGINEER/PROVIDED BY OTHERS)28.5 CFS IN Z oBOTTOMOFMC-4500 CHAMBER: 0.75 W/WEIR w
UNDERDRAIN INVERT: 0.00 UNDERDRAIN H 6"ADS N-12 DUAL WALL PERFORATED HDPE UNDERDRAIN Lu
w a
BOTTOM OF STONE:I u.uul Y J zz
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00 H °
w
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173.06' F
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SEE DETAIL)LL\m
NOTES
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PLACE MINIMUM 17.50'OF ADSPLUS175 WOVEN GEOTEXTILE OVER BEDDING MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER.SEE TECH NOTE#6.32 FOR MANIFOLD SIZING GUIDANCE. z J
STONE AND UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT ALL DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS,IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD a w
COMPONENTS IN THE FIELD. o00
CHAMBER INLET ROWS THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER REQUIREMENTS ARE MET. Lo
THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE-SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY.THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR
DETERMINING
SHEET
BED LIMITS
THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS.THE BASE STONE DEPTH MAY BE INCREASED OR DECREASED ONCE THIS INFORMATION IS
PROVIDED.
NOT FOR CONSTRUCTION:THIS LAYOUT IS FOR DIMENSIONAL PURPOSES ONLY TO PROVE CONCEPT&THE REQUIRED STORAGE VOLUME CAN BE ACHIEVED ON SITE. 3 OF 7
PROPOSED LAYOUT: DMA C CONCEPTUAL ELEVATIONS INVERT ABOVE BASE OF CHAMBER
TEM ON
321 STORMTECH MC-4500 CHAMBERS MAXIMUM ALLOWABLE GRADE(TOP OF PAVEMENT/UNPAVED): 12.75 PART TYPE
LAYOUT
DESCRIPTION INVERT MAX FLOW
12 STORMTECH MC-4500 END CAPS MINIMUM ALLOWABLE GRADE(UNPAVED WITH TRAFFIC): 8.25 24"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP24B/TYP OF ALL 24"BOTTOM Q w
12 STONE ABOVE(in) MINIMUM ALLOWABLE GRADE(UNPAVED NO TRAFFIC): 7.75 PREFABRICATED END CAP A 2.26" QCONNECTIONSANDISOLATORPLUSROWS
g STONE BELOW(in) MINIMUM ALLOWABLE GRADE(TOP OF RIGID CONCRETE PAVEMENT): 7.75 Q z
18"BOTTOM PARTIAL CUT END CAP,PART#:MC45001EPP18B/TYP OF ALL 18"BOTTOM
40 STONE VOID MINIMUM ALLOWABLE GRADE(BASE OF FLEXIBLE PAVEMENT): 7.75 PREFABRICATED END CAP B 1.97" Q b Z
INSTALLED SYSTEM VOLUME(CF) TOP OF STONE: 6.75 CONNECTIONS U)
Q z Y o
PERIMETER STONE INCLUDED) TOP OF MC-4500 CHAMBER:5.75 FLAMP C INSTALL FLAMP ON 24"ACCESS PIPE/PART#:MCFLAMP LJJ U U
55567 (COVER STONE INCLUDED) 24"x 24"BOTTOM MANIFOLD INVERT: 0.94 MANIFOLD D 24"x 24"BOTTOM MANIFOLD,ADS N-12 2.26" Z ui of
BASE STONE INCLUDED 24"ISOLATOR ROW PLUS INVERT: 0.94 MANIFOLD E 18"x 18"BOTTOM MANIFOLD,ADS N-12 1.97" Z of o U o
12877 SYSTEM AREA(SF) 18"x 18"BOTTOM MANIFOLD INVERT: 0.91 CONCRETE STRUCTURE F OCS(DESIGN BY ENGINEER/PROVIDED BY OTHERS) 8.0 CFS OUT
m
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579.E 16Y61 EM PERIMETER(ft) 18"BOTTOM CONNECTION INVERT: 0.91 CONCRETE STRUCTURE Lu
G (DESIGN BY ENGINEER/PROVIDED BY OTHERS)41.5 CFS IN O _j oBOTTOMOFMC-4500 CHAMBER: 0.75 W/WEIR Y
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UNDERDRAIN INVERT: 0.00 UNDERDRAIN H 6"ADS N-12 DUAL WALL PERFORATED HDPE UNDERDRAIN Q LuY
BOTTOM OF STONE:0.00 m
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ISOLATOR ROW PLUS
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NOTES
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PLACE MINIMUM 17.50'OF ADSPLUS175 WOVEN GEOTEXTILE OVER BEDDING MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER.SEE TECH NOTE#6.32 FOR MANIFOLD SIZING GUIDANCE. z J
STONE AND UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT ALL DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS,IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD a
COMPONENTS IN THE FIELD. o00
CHAMBER INLET ROWS THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER REQUIREMENTS ARE MET. Lo
THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE-SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY.THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR
DETERMINING
SHEET
BED LIMITS
THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS.THE BASE STONE DEPTH MAY BE INCREASED OR DECREASED ONCE THIS INFORMATION IS
PROVIDED.
NOT FOR CONSTRUCTION:THIS LAYOUT IS FOR DIMENSIONAL PURPOSES ONLY TO PROVE CONCEPT&THE REQUIRED STORAGE VOLUME CAN BE ACHIEVED ON SITE. 4 OF 7
Q w
a
ACCEPTABLE FILL MATERIALS: STORMTECH MC-4500 CHAMBER SYSTEMS
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AASHTO MATERIAL J m Z
MATERIAL LOCATION DESCRIPTION COMPACTION / DENSITY REQUIREMENT g D < w z
CLASSIFICATIONS a z Y
H U QFINALFILL:FILL MATERIAL FOR LAYER'D'STARTS FROM THE TOP OF THE'C' n w
PREPARE PER SITE DESIGN ENGINEER'S PLANS.PAVED of o U z
D
LAYER TO THE BOTTOM OF FLEXIBLE PAVEMENT OR UNPAVED FINISHED ANY SOIL/ROCK MATERIALS,NATIVE SOILS,OR PER ENGINEER'S PLANS.
N/A INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND 0 O
GRADE ABOVE.NOTE THAT PAVEMENT SUBBASE MAY BE PART OF THE'D' CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.
PREPARATION REQUIREMENTS. z
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oLAYERcf)
w
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AASHTO M145' w
INITIAL FILL:FILL MATERIAL FOR LAYER'C'STARTS FROM THE TOP OF THE
GRANULAR WELL-GRADED SOIL/AGGREGATE MIXTURES,<35%FINES OR A-1,A-2-4,A-3 BEGIN COMPACTIONS AFTER 24"(600 mm)OF MATERIAL OVER Y J z
EMBEDMENT STONE('B'LAYER)TO 24"(600 mm)ABOVE THE TOP OF THE
PROCESSED AGGREGATE. THE CHAMBERS IS REACHED.COMPACT ADDITIONAL LAYERS IN Q 0
95%PROCTOR DENSITY FOR 00 H °
CHAMBER.NOTE THAT PAVEMENT SUBBASE MAY BE A PART OF THE'C'U
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THIS WELL GRADED MATERIAL AND 95%RELATIVE DENSITY FOR
LAYER.
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LAYER. AASHTO M43' PROCESSED AGGREGATE MATERIALS.
w 0
3,357,4,467,5,56,57,6,67,68,7,78,8,89,9, 10 W00w
EMBEDMENT STONE:FILL SURROUNDING THE CHAMBERS FROM THE AASHTO M43'
a
B
FOUNDATION STONE('A'LAYER)TO THE'C'LAYER ABOVE.
CLEAN,CRUSHED,ANGULAR STONE
3,4
NO COMPACTION REQUIRED.
ww NZ
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FOUNDATION STONE:FILL BELOW CHAMBERS FROM THE SUBGRADE UP TO AASHTO M43' O w 2E
A CLEAN,CRUSHED,ANGULAR STONE PLATE COMPACT OR ROLL TO ACHIEVE A FLAT SURFACE.23
Z wTHEFOOT(BOTTOM)OF THE CHAMBER. 3,4 a
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PLEASE NOTE:
U In
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1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY.THE STONE MUST ALSO BE CLEAN,CRUSHED,ANGULAR.FOR EXAMPLE,A SPECIFICATION FOR#4 STONE WOULD STATE:"CLEAN,CRUSHED,ANGULAR NO.4(AASHTO M43)STONE". o w o
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA'LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 9"(230 mm)(MAX)LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR. w a
3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION,FOR STANDARD DESIGN LOAD CONDITIONS,A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT.FOR SPECIAL LOAD DESIGNS,CONTACT STORMTECH FOR
COMPACTION REQUIREMENTS. z-
4. ONCE LAYER'C'IS PLACED,ANY SOIL/MATERIAL CAN BE PLACED IN LAYER'D'UP TO THE FINISHED GRADE.MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER'C'OR'D'AT THE SITE DESIGN ENGINEER'S DISCRETION. w.
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ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE ALL PAVEMENT LAYER(DESIGNED H o
AROUND CLEAN,CRUSHED,ANGULAR STONE IN A&B LAYERS BY SITE DESIGN ENGINEER) p o a
WZa
D TO BOTTOM OF FLEXIBLE PAVEMENT.FOR UNPAVED m
INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR, 7.0'
PERIMETER STONE r „'r
COVER 30"(750 24" 21 m) U ow
SEE NOTE 4) t._: C ,
I
600 mm)MIN MAX w o
NCREASE C O
0 0 0
0 0 0 o 0 0 0
12"(300 mm)MIN w a
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EXCAVATION WALL E
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CAN BE SLOPED OR VERTICAL) 60" 4? w Z
1525 mm) U) — o 0
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III 11I—III—III—III—III— —I —III— —III—III—III—III III III III III III—III—III—I11= DEPTH OF STONE TO BE DETERMINED y U o°
12"(300 mm)MIN .
III
1II=1I iIII=1I1=i — 1II-1I1= i1-1I1-1I1=1III
I I11I I1=1 1 =1I1=1I1=1II—III—III—I I1-1 I1=1I1=1I—I I1=1I I1-1I I—III—I I1=1I1=1I I—III—III—I
a
ll
ill=III ail I IIIIII-III—IIIIII—III—ili— " BY SITE DESIGN ENGINEER 9"(230 mm)MIN
9
W
END CAP SUBGRADE SOILS 230 mm)MIN
100"(2540 mm) 12"(300 mm)MIN a
SEE NOTE 3) j cfl 0.
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NOTES: W 0 co w
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1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418,"STANDARD SPECIFICATION FOR POLYPROPYLENE(PP)CORRUGATED WALL STORMWATER COLLECTION CHAMBERS"CHAMBER CLASSIFICATION 60x101 v o 0 0
2. MC-4500 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787"STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS". v= a o
3. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE(ALLOWABLE BEARING CAPACITY)OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH CONSIDERATION a
FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS. w=
m
4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS. a o
5. REQUIREMENTS FOR HANDLING AND INSTALLATION: z
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TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING,CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS.
oO
TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL,THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 3". w
TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION,a)THE ARCH STIFFNESS CONSTANT SHALL BE GREATER THAN OR EQUAL TO 450 LBS/FT/%.THE ASC IS DEFINED IN SECTION 6.2.8 OF
ix
ASTM F2418.AND b)TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES(ABOVE 73°F/23°C),CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW
SHEET
COLORS. 5 OF 7
Q
INSTALL FLAMP ON 24"(600 mm)ACCESS PIPE OPTIONAL INSPECTION PORT Q
PART#:MCFLAMP
COVER PIPE CONNECTION TO END CAP WITH ADS 0 Q
GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE MC-4500 CHAMBER J w
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MC-4500 END CAP x z w oY
STORMTECH HIGHLY RECOMMENDS
FLEXSTORM INSERTS IN ANY UPSTREAM rl ;I au" r II r il;r II r u=all r II r II a`u r II=al p U o
STRUCTURES WITH OPEN GRATES O, i}ii;n J/@u yr>i,/i,Yi:jai t//ybt:i 4<y/i yyC.i/i f/ t/.y/i//y C>>q.ri iLe llq y/ y/ice<yrya./yq.Lir.:/ice\ii.qoy>i.;yq y/r Sge tr>/y.1(/th//1, U
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CATCH BASIN J
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SUMP DEPTH TBD BY
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SITE DESIGN ENGINEER p F
24"[600 mm]MIN RECOMMENDED) w d
ONE LAYER OF ADSPLUS175 WOVEN GEOTEXTILE BETWEEN F24"(600 mm)HDPE ACCESS PIPE REQUIRED USE
FACTORY PRE-CORED END CAP FOUNDATION STONE AND CHAMBERS
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PART#:MC450OREPE24BC OR MC450OREPE24BW 10.3'(3.1 m)MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS w-Y rr a
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MC-4500 ISOLATOR ROW PLUS DETAIL 3: oco
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INSPECTION & MAINTENANCE 2 Z.
zsCD
STEP 1) INSPECT ISOLATOR ROW PLUS FOR SEDIMENT w
A. INSPECTION PORTS(IF PRESENT) w w
A.1. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN N
A.2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED p o
A.3. USING A FLASHLIGHT AND STADIA ROD,MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG o
A.4. LOWER A CAMERA INTO ISOLATOR ROW PLUS FOR VISUAL INSPECTION OF SEDIMENT LEVELS(OPTIONAL)o
A.5. IF SEDIMENT IS AT,OR ABOVE,3"(80 mm)PROCEED TO STEP 2.IF NOT,PROCEED TO STEP 3. w o
B. ALL ISOLATOR PLUS ROWS o a
B.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW PLUS j v
B.2. USING A FLASHLIGHT, INSPECT DOWN THE ISOLATOR ROW PLUS THROUGH OUTLET PIPE
Q
i a
i) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID A CONFINED SPACE ENTRY L C, z o
ii) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE 0 6p 0.0.
B.3. IF SEDIMENT IS AT,OR ABOVE,3"(80 mm)PROCEED TO STEP 2.IF NOT,PROCEED TO STEP 3.co o 0V U wSTEP2) CLEAN OUT ISOLATOR ROW PLUS USING THE JETVAC PROCESS o W
A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45"(1.1 m)OR MORE IS PREFERRED o
B. APPLY MULTIPLE PASSES OF JETVAC UNTIL BACKFLUSH WATER IS CLEAN a
C. VACUUM STRUCTURE SUMP AS REQUIRED p
cfl Z.w
J Q N
STEP 3) REPLACE ALL COVERS,GRATES,FILTERS,AND LIDS;RECORD OBSERVATIONS AND ACTIONS. z Itcn O
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STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM. w
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NOTESCD O J C,
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1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION.ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS z
OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS. w
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2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
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SHEET
6OF7
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UNDERDRAIN DETAIL MC-4500 TECHNICAL SPECIFICATION Q
STORMTECH NTS
STORMTECH NTS
CHAMBERS 0
CHAMBER VALLEY J Q m z rSTORMTECHENDCAP
o STIFFENING RIB CREST Q D Q p z
OUTLET MANIFOLD
LOWER JOINT WEB Q z Y
CORRUGATION
UPPER JOINT LLu o U 'zCORRUGATION
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ADS GEOSYNTHETICS 601T DUAL WALL o a
NON-WOVEN GEOTEXTILE
SECTION A-A PERFORATED
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a zBUILDROWINTHIS
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STORMTECH END CAP I DIRECTION Z
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FOUNDATION STONE INSTALLED z
BENEATH CHAMBERS as Z z
ADS GEOSYNTHETICS 601T
4 NON-WOVEN GEOTEXTILE V/ N
j/// NOMINAL CHAMBER SPECIFICATIONS o
NUMBER AND SIZE OF UNDERDRAINS PER SITE DESIGN ENGINEER SIZE(W X H X INSTALLED LENGTH) 100.0"X 60.0"X 48.3" (2540 mm X 1524 mm X 1227 mm) a
3.01 ml) H4"(100 mm)TYP FOR SC-310&SC-160LP SYSTEMS SECTION B-B
CHAMBER STORAGE 106.5 CUBIC FEET
w
6"(150 mm)TYP FOR SC-740,DC-780,MC-3500,MC-4500&MC-7200 SYSTEMS MINIMUM INSTALLED STORAGE" 162.E CUBIC FEET (4.60 m') o JWEIGHT(NOMINAL) 125.0 lbs. 56.7 kg) Oa
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NOMINAL END CAP SPECIFICATIONS 38.0" z a
MC-SERIES END CAP INSERTION DETAIL SIZE(W X H X INSTALLED LENGTH) 90.0"X 61.0"X 32.8" (2286 mm X 1549 mm X 833 mm) 965 mm)2 w
NTS END CAP STORAGE 39.5 CUBIC FEET (1.12 ml) z J
MINIMUM INSTALLED STORAGE" 115.3 CUBIC FEET (3.26 ml) aw
WEIGHT(NOMINAL) 90 Ibs. 40.8 kg)w w o
STORMTECH END CAP N
ASSUMES 12"(305 mm)STONE ABOVE,9"(229 mm)STONE FOUNDATION AND BETWEEN CHAMBERS, F
12"(305 mm)STONE PERIMETER IN FRONT OF END CAPS AND 40%STONE POROSITY. F_ o°
12"(300 mm) o J
MIN SEPARATION PARTIAL CUT HOLES AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH"B" N w o
PARTIAL CUT HOLES AT TOP OF END CAP FOR PART NUMBERS ENDING WITH"T" g a
END CAPS WITH A PREFABRICATED WELDED STUB END WITH"W" F >+ - o l12"(300 mm)MIN INSERTION F
PART#STUB B C L N ww
MC45001EPP06T 42.54"(1081 mm)
B L z
MANIFOLD STUB
MC45001EPP06B
6"(150 mm)
0.86"(22 mm) co o 0MC45001EPP08T40.50"(1029 mm) y U o o
MC45001EPP08B
8"(200 mm)
1.01"(26 mm) o W
MANIFOLD HEADER
MC45001EPP10T
10" 250 mm
38.37"(975 mm) 0 a
MC45001EPP10B 1.33"(34 mm) o o w
12"(300 mm)
MC45001EPP12T 35.69"(907 mm) N
MC45001EPP12B 1.55"(39 mm) C z o w
MC45001EPP15T 32.72"(831 mm) Z
MC45001EPP15B
15" 375 mm)
1.70"(43 mm) L w
7pc%) oz
MANIFOLD HEADER MC45001EPP18T 0 z
29.36"(746 mm) CUSTOM PARTIAL CUT INVERTS ARE o g o m
Z
MANIFOLD STUB
MC45001EPP18TW
18"(450 mm) AVAILABLE UPON REQUEST.co'
IT_j 0 0 0w
MC45001EPP18B v=- a oLLMC45001EPP186W
1.97"(50 mm)INVENTORIED MANIFOLDS INCLUDE
a-12-24"(300-600 mm)SIZE ON SIZE
MC45001EPP24T
23.05"(585 mm)
AND 15-48"(375-1200 mm) m F
MC45001EPP24TW ECCENTRIC MANIFOLDS.CUSTOM w
12"(300 mm) 12"(300 mm) 24"(600 mm)
INVERT LOCATIONS ON THE MC-4500 M oMC45001EPP24BMINSEPARATIONMININSERTION2.26"(57 mm)END CAP CUT IN THE FIELD ARE NOT z J
MC45001EPP24BW m
MC45001EPP306W 30"(750 mm)2.95"(75 mm)
RECOMMENDED FOR PIPE SIZES o zGREATERTHAN10"(250 mm).THE 1
MC45001EPP36BW 36"(900 mm)3.25"(83 mm)INVERT LOCATION IN COLUMN'B' w
NOTE:MANIFOLD STUB MUST BE LAID HORIZONTAL MC45001EPP42BW 42"(1050 mm) 3.55"(90 mm)ARE THE HIGHEST POSSIBLE FOR SHEET
FOR A PROPER FIT IN END CAP OPENING.
NOTE:ALL DIMENSIONS ARE NOMINAL THE PIPE SIZE.
70F7
Appendix 7: Hydromodification
Supporting Detail Relating to Hydrologic Conditions of Concern
37-
Appendix 8: Source Control
Pollutant Sources/Source Control Checklist
38-
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
How to use this worksheet (also see instructions in Section G of the WQMP Template):
1. Review Column 1 and identify which of these potential sources of stormwater pollutants apply to your site. Check each box that applies.
2. Review Column 2 and incorporate all of the corresponding applicable BMPs in your WQMP Exhibit.
3. Review Columns 3 and 4 and incorporate all of the corresponding applicable permanent controls and operational BMPs in your WQMP. Use the
format shown in Table G.1on page 23 of this WQMP Template.Describe your specific BMPs in an accompanying narrative,and explain any
special conditions or situations that required omitting BMPs or substituting alternative BMPs for those shown here.
IF THESE SOURCES WILL BE
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
ON THE PROJECT SITE ...
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
A.On-site storm drain ® Locations of inlets.A Mark all inlets with the words Maintain and periodically repaint or
inlets Only Rain Down the Storm replace inlet markings.
Drain"or similar.Catch Basin
M Provide stormwater pollutionMarkersmaybeavailablefromthe
prevention information to new siteRiversideCountyFloodControl
owners,lessees,or operators.
and Water Conservation District,
call 951.955.1200 to verify.See applicable operational BMPs in
Fact Sheet SC-44,"Drainage System
Maintenance,"in the CASQA
Stormwater Quality Handbooks at_
www.cabmphandbooks.com
M Include the following in lease
agreements:"Tenant shall not allow
anyone to discharge anything to storm
drains or to store or deposit materials
so as to create a potential discharge to
storm drains."
B.Interior floor drains State that interior floor drains and Inspect and maintain drains to prevent
and elevator shaft sump elevator shaft sump pumps will be blockages and overflow.
pumps plumbed to sanitary sewer.
C.Interior parking State that parking garage floor Inspect and maintain drains to prevent
garages drains will be plumbed to the blockages and overflow.
sanitary sewer.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
D1.Need for future Note building design features that Provide Integrated Pest Management
indoor&structural pest discourage entry of pests. information to owners,lessees,and
control operators.
D2.Landscape/ Show locations of native trees or State that final landscape plans will ® Maintain landscaping using minimum
Outdoor Pesticide Use areas of shrubs and ground cover to accomplish all of the following. or no pesticides.
be undisturbed and retained.
Preserve existing native trees, See applicable operational BMPs in
Show self-retaining landscape shrubs,and ground cover to the What you should know
areas,if any. maximum extent possible. for.....Landscape and Gardening"at
Show stormwater treatment and Q9 Design landscaping to minimize http://rcflood.org/stormwater/Error!
hydrograph modification irrigation and runoff,to promote
Hyperlink reference not valid.
management BMPs. (See surface infiltration where Provide IPM information to new
instructions in Chapter 3,Step 5 appropriate,and to minimize the owners,lessees and operators.
and guidance in Chapter 5.) use of fertilizers and pesticides that
can contribute to stormwater
pollution.
Where landscaped areas are used to
retain or detain stormwater, specify
plants that are tolerant of saturated
soil conditions.
Consider using pest-resistant
plants,especially adjacent to
hardscape.
To insure successful establishment,
select plants appropriate to site
soils,slopes,climate,sun,wind,
rain,land use,air movement,
ecological consistency,and plant
interactions.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
E.Pools,spas,ponds, Show location of water feature and If the Co-Permittee requires pools See applicable operational BMPs in
decorative fountains, a sanitary sewer cleanout in an to be plumbed to the sanitary Guidelines for Maintaining Your
and other water accessible area within 10 feet. sewer,place a note on the plans Swimming Pool,Jacuzzi and Garden
features. Exception:Public pools must be and state in the narrative that this Fountain"at
plumbed according to County connection will be made according http://rcflood.org/stormwater/
Department of Environmental to local requirements.
Health Guidelines.)
F.Food service For restaurants,grocery stores,and Describe the location and features See the brochure,"The Food Service
other food service operations,show of the designated cleaning area. Industry Best Management Practices for:
location(indoors or in a covered
Describe the items to be cleaned in Restaurants,Grocery Stores,
area outdoors)of a floor sink or
this facility and how it has been
Delicatessens and Bakeries"at
other area for cleaning floor mats,
sized to insure that the largest http://rcflood.org/stormwater/
containers,and equipment. items can be accommodated. Provide this brochure to new site
On the drawing,show a note that owners,lessees,and operators.
this drain will be connected to a
grease interceptor before
discharging to the sanitary sewer.
G.Refuse areas Show where site refuse and State how site refuse will be State how the following will be
recycled materials will be handled handled and provide supporting implemented:
and stored for pickup.See local detail to what is shown on plans. Provide adequate number of
municipal requirements for sizes
State that signs will be posted on or receptacles.Inspect receptacles
and other details of refuse areas.
near dumpsters with the words"Do regularly;repair or replace leaky
If dumpsters or other receptacles not dump hazardous materials receptacles.Keep receptacles covered.
are outdoors,show how the here"or similar. Prohibit/prevent dumping of liquid or
designated area will be covered, hazardous wastes.Post"no hazardous
graded,and paved to prevent run-materials"signs.Inspect and pick up
on and show locations of berms to litter daily and clean up spills
prevent runoff from the area. immediately.Keep spill control
Any drains from dumpsters,
materials available on-site.See Fact
compactors,and tallow bin areas
Sheet SC-34, Waste Handling and
shall be connected to a grease
Disposal in the CASQA Stormwater
removal device before discharge to Quality Handbooks at
sanitary sewer.
www.cabmphandbooks.com
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
29 H.Industrial processes. Show process area.If industrial processes are to be M See Fact Sheet SC-10, "Non-
located on site,state: "All process Stormwater Discharges"in the
activities to be performed indoors. CASQA Stormwater Quality
No processes to drain to exterior or Handbooks at
to storm drain system."www.cabmphandbooks.com
See the brochure"Industrial&
Commercial Facilities Best Management
Practices for:Industrial,Commercial
Facilities"at
http://rcflood.org/stormwater/
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
ON THE PROJECT SITE ...
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
1. Outdoor storage of Show any outdoor storage areas, Include a detailed description of See the Fact Sheets SC-31,"Outdoor
equipment or materials. including how materials will be materials to be stored,storage Liquid Container Storage"and SC-33,
See rows J and K for covered. Show how areas will be areas,and structural features to Outdoor Storage of Raw Materials"
source control graded and bermed to prevent run- prevent pollutants from entering in the CASQA Stormwater Quality
measures for vehicle on or run-off from area.storm drains. Handbooks at
cleaning,repair, and
Storage of non-hazardous liquids Where appropriate,reference
www.cabmphandbooks.com
maintenance.) shall be covered by a roof and/or documentation of compliance with
drain to the sanitary sewer system, the requirements of Hazardous
and be contained by berms,dikes, Materials Programs for:
liners,or vaults.
Hazardous Waste Generation
Storage of hazardous materials and
Hazardous Materials Release
wastes must be in compliance with
the local hazardous materials
Response and Inventory
ordinance and a Hazardous California Accidental Release
Materials Management Plan for the CalARP)
site.
Aboveground Storage Tank
Uniform Fire Code Article 80
Section 103(b) & (c)1991
Underground Storage Tank
www.cchealth.org/groups/hazmat
1
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
J.Vehicle and Show on drawings as appropriate: If a car wash area is not provided, Describe operational measures to
Equipment Cleaning 1) Commercial/industrial facilities
describe any measures taken to implement the following(if
having vehicle/equipment cleaning
discourage on-site car washing and applicable):
needs shall either provide a
explain how these will be enforced.
Washwater from vehicle and
covered,bermed area for washing equipment washing operations shall
activities or discourage not be discharged to the storm drain
vehicle/equipment washing by system.Refer to"Outdoor Cleaning
removing hose bibs and installing Activities and Professional Mobile Service
signs prohibiting such uses. Providers"for many of the Potential
2)Multi-dwelling complexes shall
Sources of Runoff Pollutants categories
have a paved,bermed,and covered
below.Brochure can be found at
car wash area(unless car washing
http://rcflood.org/stormwater/
is prohibited on-site and hoses are Car dealerships and similar may
provided with an automatic shut- rinse cars with water only.
off to discourage such use).
3)Washing areas for cars,vehicles,
and equipment shall be paved,
designed to prevent run-on to or
runoff from the area,and plumbed
to drain to the sanitary sewer.
4) Commercial car wash facilities
shall be designed such that no
runoff from the facility is
discharged to the storm drain
system.Wastewater from the
facility shall discharge to the
sanitary sewer,or a wastewater
reclamation system shall be
installed.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
K.Vehicle/Equipment Accommodate all vehicle State that no vehicle repair or In the Stormwater Control Plan,note
Repair and equipment repair and maintenance maintenance will be done outdoors, that all of the following restrictions
Maintenance indoors. Or designate an outdoor or else describe the required apply to use the site:
work area and design the area to features of the outdoor work area.
No person shall dispose of,norpermit
prevent run-on and runoff of
State that there are no floor drains the disposal,directly or indirectly of
stormwater.
or if there are floor drains,note the vehicle fluids,hazardous materials,or
Show secondary containment for agency from which an industrial rinsewater from parts cleaning into
exterior work areas where motor waste discharge permit will be storm drains.
oil,brake fluid,gasoline,diesel obtained and that the design meets
No vehicle fluid removal shall be
fuel,radiator fluid,acid-containing that agency's requirements.
performed outside a building,nor onbatteriesorotherhazardous
State that there are no tanks, asphalt or ground surfaces,whether
materials or hazardous wastes are
containers or sinks to be used for inside or outside a building,except inusedorstored.Drains shall not be
parts cleaning or rinsing or,if there such a manner as to ensure that anyinstalledwithinthesecondaryare,note the agency from which an spilled fluid will be in an area of
containment areas.
industrial waste discharge permit secondary containment.Leaking
Add a note on the plans that states will be obtained and that the vehicle fluids shall be contained or
either(1)there are no floor drains, design meets that agency's drained from the vehicle immediately.
or(2)floor drains are connected to requirements.
No person shall leave unattended drip
wastewater pretreatment systems
prior to discharge to the sanitary
parts or other open containers
containing vehicle fluid,unless such
sewer and an industrial waste
containers are in use or in an area of
discharge permit will be obtained.
secondary containment.
Refer to"Automotive Maintenance&Car
Care Best Management Practices for Auto
Body Shops,Auto Repair Shops,Car
Dealerships,Gas Stations and Fleet
Service Operations".Brochure can be
found at http://rcflood.org/stormwater/
Refer to Outdoor Cleaning Activities and
Professional Mobile Service Providers for
many of the Potential Sources of
Runoff Pollutants categories below.
Brochure can be found at
htW://rcflood.org/stormwater/
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
L.Fuel Dispensing Fueling areas6 shall have The property owner shall dry sweep
Areas impermeable floors (i.e.,portland the fueling area routinely.
cement concrete or equivalent
See the Fact Sheet SD-30, "Fuelingsmoothimpervioussurface)that
Areas"in the CASQA Stormwater
are: a)graded at the minimum
slope necessary to prevent ponding;
Quality Handbooks at-
slope
and b)separated from the rest of
the site by a grade break that
prevents run-on of stormwater to
the maximum extent practicable.
Fueling areas shall be covered by a
canopy that extends a minimum of
ten feet in each direction from each
pump. [Alternative:The fueling
area must be covered and the
cover's minimum dimensions must
be equal to or greater than the area
within the grade break or fuel
dispensing areal.] The canopy [or
cover] shall not drain onto the
fueling area.
6 The fueling area shall be defined as the area extending a minimum of 6.5 feet from the corner of each fuel dispenser or the length at which the hose and nozzle assembly may be operated plus
a minimum of one foot,whichever is greater.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
M M.Loading Docks Show a preliminary design for the Move loaded and unloaded items
loading dock area,including indoors as soon as possible.
roofing and drainage.Loading See Fact Sheet SC-30, "Outdoor
docks shall be covered and/or
graded to minimize run-on to and CASQLoading and Unloading,"in the
runoff from the loading area. Roof
HandbooksoksSto at
ater Quality
downspouts shall be positioned to
Handbooks at
www.cabmphandbooks.com
direct stormwater away from the
loading area.Water from loading
dock areas shall be drained to the
sanitary sewer,or diverted and
collected for ultimate discharge to
the sanitary sewer.
Loading dock areas draining
directly to the sanitary sewer shall
be equipped with a spill control
valve or equivalent device,which
shall be kept closed during periods
of operation.
L Provide a roof overhang over the
loading area or install door skirts
cowling) at each bay that enclose
the end of the trailer.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
N.Fire Sprinkler Test Provide a means to drain fire See the note in Fact Sheet SC-41,
Water sprinkler test water to the sanitary Building and Grounds Maintenance,"
sewer. in the CASQA Stormwater Quality
Handbooks at
www.cabmphandbooks.com
O. Miscellaneous Drain Boiler drain lines shall be directly
or Wash Water or Other or indirectly connected to the
Sources sanitary sewer system and may not
Boiler drain lines
discharge to the storm drain
system.
Condensate drain lines Condensate drain lines may
Rooftop equipment discharge to landscaped areas if the
flow is small enough that runoff
Drainage sumps will not occur. Condensate drain
Roofing,gutters, and lines may not discharge to the
trim.
storm drain system.
Other sources Rooftop equipment with potential
to produce pollutants shall be
roofed and/or have secondary
containment.
Any drainage sumps on-site shall
feature a sediment sump to reduce
the quantity of sediment in
pumped water.
Avoid roofing,gutters, and trim
made of copper or other
unprotected metals that may leach
into runoff.
Include controls for other sources
as specified by local reviewer.
STORMWATER POLLUT ANT SOURCES/SOURCE CONTROL CHECKLIST
IF THESE SOURCES WILL BE
ON THE PROJECT SITE ...
THEN YOUR WQMP SHOULD INCLUDE THESE SOURCE CONTROL BMPs, AS APPLICABLE
O
1 2 3 4
Potential Sources of Permanent Controls—Show on Permanent Controls—List in WQMP Operational BMPs—Include in WQMP
Runoff Pollutants WQMP Drawings Table and Narrative Table and Narrative
P.Plazas,sidewalks, M Sweep plazas,sidewalks,and parking
and parking lots. lots regularly to prevent accumulation
of litter and debris. Collect debris from
pressure washing to prevent entry into
the storm drain system. Collect
washwater containing any cleaning
agent or degreaser and discharge to
the sanitary sewer not to a storm drain.
Appendix 9: O&M
Operation and Maintenance Plan and Documentation of Finance, Maintenance and Recording Mechanisms
39 -
BAKER INDUSTRIAL
Wi2MP MAINTENANCEAGREEMENT
EXHIBIT
PROP.R/W
lmmlumm
UNDEROROUAD MWER A
TO BE AWNTMED IAVDERf,RDIAVO 046M UA7 C PROPERTY BOUAMM
UNDERO MAD CNANBER UN?B
TO BE AfNNTAWED BY PM
Illttl If lll
PROPERTY B17(HYAW
EXHIBIT
BAKER INDUSTRIAL
WQMP TREATMENT BMP LOCATION MAP
AWPAOWeA
SHEET
VAE/1K3/NEERS 1 OF 1
EN • 91-0188000NPfONAV .E St 0 C0 G 2551-7 851-73/-2130
List of Onsite Activity Restrictions
i. Prohibit discharges of fertilizer, pesticides, or animal wastes to
streets or storm drains.
a. Prohibit blowing or sweeping of debris (leaf litter, grass
clippings, litter, etc.) into streets or storm drains.
I Prohibit connections of pool/spa drains to streets or storm
drains.
4. Requirement to keep dumpster lids closed at all times.
5. Requirement to keep trash receptacles covered or sheltered by a
roof overhang or canopy.
6. Prohibit discharges of paint or masonry wastes to streets or
storm drains.
7. Prohibit the washing kitchen wastes or kitchen equipment
restaurant, fast food, grocery store deli, bakery, etc.) to
stormwater drainage features.
8. Prohibit vehicle washing, maintenance, or repair on the premises
or restrict those activities to designated areas.
LIST OF BMP MAINTENANCE ITEMS)
To Be Completed by the Project Engineer)
Reponsible Inspection/Maintenance
Minimum
BMP Frequency of
Party(s) Activities Required
Activities
Maintenance should be done during dry weather
StormFilter conditions A person can open the manhole on Before storm
Pretreatment Property Owner the StormFilter and inspect the vault to season, (July), or
Unit determine the need for maintenance. If needed after rain event.
remove sediment and replace cartridge.
Maintenance should be done during dry weather
CMP conditions when no flow is entering the system.
Before storm
Underground
Property Owner
A person can open the manhole on the
season, (July), orInfiltrationStormFilterandinspectthevaulttodetermine
after rain event.
System the need for maintenance. If needed remove
sediment and replace cartridge.
The Owner shall utilize the Stormwater and
N1 -
Property Owner Water Quality BMP educational materials
Before storm
Education
contained in this report for training programs.
season(July)
N2
Owner shall prescribe activity restrictions to Upon occupancy
Activity Property Owner
protect surface water quality.
and annually
Restriction thereafter(July)
N3—
Maintain landscape weekly or as needed toLandscapePropertyOwner Weekly
Management comply with local City Ordinances
Inspect site and review records to make sure
N4—BMP
Pro Owner
non-structural and structural BMPs are properly Monthly,after
Maintenance perty maintained as schedule. Provide records to City rain event
if requested
Owner shall prepare occupancy specific plan
N7—Spill
Property Owner regarding the storage of cleanup materials,
MonthlyContingencynotificationofresponsibleagencies, disposal of
cleanup materials, documentation etc.
N10—
Uniform Fire
Code Property Owner
Owner shall comply with Article 80 of the
Monthly
Implementati
Uniform Fire Code
on
Nl 1 - Property Owner Owner shall contract with landscaping
Litter/Debris maintenance firm to regularly empty trash
Control receptacles, collect litter, and report tenant
WeeklyProgramdisposalviolations. Owner shall be responsible
for trash and litter control in the common areas
of the facilities.
N12 - Property Owner Owner shall prepare or include a provision for
Employee an education program/manual for employees Upon initial
Training regarding the storage of hazardous materials and employment
implementation of spill contingency plans.
N14-Catch
Owner shall inspect, clean, and maintain Before rainyBasin
Property Owner drainage facilities prior to start of the rainy season(July),Inspection
season. after rain event
Program
N15 N15
Before rainy
Vacuseason(July)to
OwnerSweep Dictated by waste accumulation or as needed
Private Property to comply with local ordinances.
limit pollution
Streets and during storm
Parking Lots
event
N17 -
Comply with
Permittees shall comply with all other NPDESallother
Property Owner permits to include BMPs that are required as Monthly
applicable
part of a SWPPP.NPDES
permits
The owner shall perform visual inspections of
the Catch Basin and Filter Inserts to remove
F1oGard miscellaneous landscape,Debris, and Trash Before storm
Catch Basin Property Owner from inside the baskets. Filter medium shall be season(July),
Filter Inserts replaced once per year per manufacturer's after rain event
recommendation or more frequently if
warranted.
Reponsible Inspection/Maintenance
Minimum
BMP Frequency ofParty(s) Activities Required
Activities
Should be
S 1 -Provide inspected
Storm Drain annually before
System Property Owner
Owner to maintain legibility of stencil and
rainy season
Stenciling
signs.
July)and be
and Signage repainted/replace
d as necessary.
Trash Enclosures
shall be
S3 -Trash
inspected and
Enclosures Property owner to maintain trash enclosure to cleaned weekly.
to Reduce Property Owner prevent run-on and exposure to direct Dumpster pick
Pollutant precipitation. up shall be
scheduled
weekly at
minimum
S4—Use
Efficient Property owner shall maintain and audit
Irrigation
Property Owner
irrigation system and landscaping in
WeeklySystemsandaccordancewithCASQABMPHandbookSD-
Landscape 12.
Design
S6—Slope Property owner shall maintain/protect slopes Before storm
and Channel Property Owner and channels in accordance with CASQA BMP season(July),
Protection Handbook SD-10.after rain event
S 14 -Wash
Should be
Water
inspected
Control for Property owner shall provide signage where annually before
Food Property Owner applicable stating the prohibition of rainy season
Preparation discharging wash water to storm drain system.July)and be
Areas
repainted/replace
d as necessary.
Weekly WQM P Inspection Record
Performed by: Date:
BMP Activity Yes No
Trash & Debris Are Common Areas clean
of trash & debris?
Are the trash receptacles
clean of trash and
debris?
Does the perimeter of the
site been clear of trash &
debris?
Drainage Are there any signs of
Facilities illegal discharges or
dumping down any
drainage facilities?
Quarterly WQMP Inspection Record
Performed by: Date:
BMP Activity Yes No
MS4 Signage Does the Catch Basin
label need replacing?
Drainage Does the Catch Basin
Facilities need cleaning of debris?
Do any drainage facilities
need repair?
Trash & Debris Do any trash receptacles
need repair?
Have the trash bins been
picked up on a regular
basis?
Does the trash enclosure
need cleaning?
RECORD OF BMP IMPLEMENTATION, MAINTENANCE, AND INSPECTION
Today's Date:
Name of Person Performing Activity
Printed):
Signature:
BMP Name Brief Description of Implementation, Maintenance, and
As Shown in 0&M Plan Inspection Activity Performed
Appendix 10: Educational Materials
BMP Fact Sheets, Maintenance Guidelines and Other End-User BMP Information
6 -
IoWays
oSave
Water
Outdoors
1. .7
tom .' = i
r. - '
1` - yam?'• •• • _
Family of
Southern California
Water Agencies.
ram:+
x
r_
KWIWl £.COM
TIP #1 The average homeowner uses twice
the amount of water needed to keep plants
healthy. Use the watering calculator and index
at bewaterwise.com to know exactly how much
water your plants need.
TIP #2 Check your sprinkler system for leaks,
overspray and broken sprinkler heads. Update
with drip or other more water-efficient
sprinklers where appropriate.
TIP #3 This fall, plant a portion of your
garden with beautiful native and California
Friendly plants. Browse the plant database at
bewaterwise.com to find just the right look for
your outdoor spaces.
TIP #4 Reduce the amount of water-thirsty
grass.Keep only what you need and replace the
rest with less-thirsty plants or permeable
paving.
TIP #5 For the grass you keep, set your
lawnmower blade higher.
TIP #6 Adjust your sprinkler timer downward
in September.Plants need less water when days
are shorter.
TIP #7 Use a broom instead of the hose for
cleaning sidewalks and patios.
TIP #8 Mulch! A layer of bark, gravel,compost,
sawdust or low-growing groundcover evens out
soil temperature and allows better water
retention.
TIP #9 Check the list of invasive plants that
hurt our environment at caleppc.org and
remove any from your garden.
TIP #1 o Share these tips with your gardener,
neighbors and friends.Water conservation
should be a part of every Southern Californian's
lifestyle, but that doesn't mean we can't have
lush and beautiful outdoor spaces.
bewaterwise.com
Central California Coast I i
Technical Assistance Memo TAM)l
is
Low Impact Developmen
This Technical Assistance Memo (TAM) provides plant guidance for bioretention stormwater control measures.
Bioretention systems are low impact development (LID) features that use a combination of soil, plants, and other
design elements to slow, treat, retain, and infiltrate stormwater runoff to mimic the natural, pre-development
hydrology of a site.
While bioretention systems may look like regular landscaped areas, they are designed (engineered) to manage
stormwater runoff volumes and pollutants created by urbanization. Specifying the appropriate plants and soil for a
bioretention system is critical to its performance and community acceptance.
Which Bioretention Facility Type?
There are two basic bioretention design types: planter and slope-sided.The flat-bottom planter type has
a level soil surface, which allows stormwater to pond across the entire area. All plants in the planter
type of bioretention must be able to tolerate stormwater inundation (Figure 1, Zone A). In comparison,
the slope-sided type has two landscape conditions: the area that functions for stormwater management
Figure 2,Zone A) and the area above the ponding level. Similar to the planter type, plants in Zone A of a slope-sided
bioretention type must be able to survive periodic ponding conditions. Plants in Zone B, however,are not located in
the stormwater management area and the plants/trees can be selected from conventional plant palettes. For each
project, it is important that the landscape designer understand where the delineation between Zone A and Zone Be
occurs in order to develop a proper plant design.
Slope-sided: 1
This facility type
has a lower area
that ponds and
conventional
landscape on
the side-slopes.
a Only plants in the
functional,ponding
area (Zone A) must
u be tolerant of
j periodic inundation.0
Flat-bottom Planter:
This design type has Planting Planting
a flat surface with
swtCre act tt uwetCowsZoneA Zone B Zone A Zone B
consistent depth for stores water
of ponding across f MRVO evmvwt COVVVL6tS VNa IF-Fuwct ows forstort water IIcLRVOSOPpeLawdscapeNtawagevuewtav.dscape
the structure.The
entire area functions N
for stormwater
management and all
plants in this facility
must be tolerant of
periodic inundation
Zone A).Figure 1 Figure
Choosing the Plants
With the bioretention facility type known and ponding areas identified,the plants can be selected.A list of
plants appropriate for Zone A conditions (periodic ponding) is available on the Central Coast Low Impact
Development Initiative (LIDI) website.
The LIDI Bioretention plant list was developed using the following criteria:
Tolerant of varied moisture conditions Low maintenance requirements
wet and dry)Not invasive weeds
Tolerant of varied soil types and growing Do not have aggressive/invasive root systems
conditions
Exhibit an attractive appearance.
The Bioretention plants provided on the LIDI website represent a basic bioretention plant palette.When selecting
plants, the landscape designer should determine whether a plant species is appropriate for the site considering
proximity to cars, pedestrians, height limits, and anticipated levels of maintenance. Drought tolerant native plants
are strongly encouraged to support water conservation, provide wildlife habitat, and for their ability to survive in
local climate conditions.
While plant selection for Zone B areas is at the discretion of the landscape designer, selection should take into
account the sandy, free draining bioretention soil mix and the potentially erosive conditions where stormwater
enters the facility.
Z
C
U j
6
Plant Selection and Maintenance:Anticipating the level of maintenance a facility will receive 3
informs plant selection and may improve long-term system function.Where irrigation levels
and maintenance are expected to be low,select a tough plant palette using species with
similar requirements. For example,on a road-side Bioretention swale that will receive little Bioretention Workhorse:Juncus is a
or no irrigation and minimal maintenance after establishment,a planting of Juncus patens, genus of plants,commonly known as
Achillea millefolium and Muhlenbergia rigens could survive on rainfall once established. rushes.They are found across the globe
These tough plants,which look best when given supplemental water and cut back annually, and frequently on bioretention plant lists
will also tolerate mowing. because of their tolerance for inundation.
Some Juncus perform better than others in
rillUt arid environments.Juncus patens is an easy
Selection of different plant species may be appropriate based on the to grow California native rush. It tolerates
specific project objectives. However, the designer must ensure that plants
poor drainage,flooding,drought,andshade.A strong bioretention performer,it is
selected for the Zone A location of a bioretention facility can tolerate more drought tolerant than the commonly
periodic stormwater inundation. During construction, designers and/or available Juncus effusus.Additional Juncus
construction managers should carefully review substitution requests. In cultivars and varieties may also be available
the case of substitutions sought due to supplier availability, the contractor at nurseries.Ask growers which Juncuswill
perform well with both seasonal inundation
may need to broaden their search to locate a different supplier.
and drought.
Trees in Bioretention Areas
Trees provide additional aesthetic and performance benefits.
Following these guidelines will maximize their success in
bioretention areas:
Provide sufficient facility width (a rule of thumb is 8'min.)
0 Trees should be located at least five feet from facility inlets
to avoid erosion of soils around the root ball
0 Select trees that will tolerate seasonally wet soils and
REES PLANTED ON SIDE SLOPES potential ponding
ALIGNED BETWEEN STALLS
select a ro riate species for conditions)
Typically, locate trees on side-slopes; not at the bottom
of Zone A
Some trees may tolerate periodic shallow ponding,
maximum o
ED sideslope especially if native soils are highly infiltrative
L—%
Do not specify trees with invasive roots
IIII
IIII
I i
IIII-IIII=IIII IIII,-IIII IIIWIIIIJI SIIII-IIII_I ARIIII-11°—""-0°-0
oi_=IIII ii lll„IIII iii ini l I-lll •.Securely stake trees planted in bioretention areas
Soils for Bioretention
qSpecifying the correct soils for bioretention areas is critical in order to achieve stormwater objectives and
plant health. Soils must balance three primary design objectives:
High enough infiltration rates to meet surface water draw down requirements
Infiltration rates that are not so high that they preclude pollutant removal function of soils
Soil composition that supports plant establishment and long-term health
Bioretention Soil Mix:Construction documents
for any LID project should include a bioretention
soil specification that defines the ratio of materials
in the mix(approximately 35%aged compost to
65%concrete sand),and the gradation,quality
analysis,and other requirements for the materials.
Specifications should also include guidelines for
blending and placement of the bioretention soil mix.
Plant Installation
Landscape installation for bioretention areas is similar to that of traditional landscapes with a few added
II considerations:
1(J
Conditions differ greatly between the ponding area (Zone A) and side-slopes (Zone B); plant installation
must accurately follow landscape plans. After planting, an inspection should ensure correct placement.
Plants should not block stormwater flows at inlets. The mature, full-size of plants should be estimated to
determine proper setback from inlets, with adjustments made after installation, if plants are too close.
A two-inch layer of compost may be applied to retain moisture, prevent erosion,and suppress weed growth.
Use the same compost from the bioretention soil mix specification and avoid bark mulches that can float
during storm events.
Landscape installers should be aware to avoid compaction of the soil with machinery, or never working
wet soils.
Plant Establishment and Care
Like traditional landscapes, bioretention planting areas require care and ongoing maintenance for optimal health.
Due to their functional nature as stormwater management facilities the following guidelines should be followed:
Irrigation is typically needed for two to three years following installation.After that
period, native plants will need little to no supplemental irrigation to survive, however
they may enter a dormant stage and appear dried up until rejuvenated by rains or
supplemental irrigation. Because bioretention soils are formulated to infiltrate, irrigation
application rates must be properly designed to avoid overwatering,and for systems with
an underdrain prevent potential discharges through the underdrain.
Compost Mulch (1"-2") may be reapplied to bioretention areas annually,or as the mulch
layer breaks down. Use compost mulch (the same compost used in the bioretention soil
mix) and avoid bark mulches that can float during storm events. Do not apply mulch just
prior to the rainy season.
Fertilizer should not be used in bioretention areas. Instead,a compost top dressing or
application of compost tea can be used to introduce nutrients and beneficial microorganisms to the soil.
Synthetic herbicides and pesticides should not be used in bioretention areas because of their potential toxicity risk to aquatic
organisms.There are a variety of natural methods and products that can be used to control weeds and pests.
Weeds compete with plants for nutrients,water,and sunlight.They should be regularly removed,with their roots, by hand pulling or
with manual pincer-type weeding tools.Care should be given to avoid unnecessary compaction of soils while weeding.
Replace plants that die due to unsuitable plant conditions,disease, underwatering,or other unforeseen issues. Dead and dying plants
must be removed and replaced to avoid spreading disease,establishment of weeds in bare areas,and reduced LID function. Before
replacing with the same species,determine if another species may be better suited to the conditions.
Check tree staking,especially in high wind areas.Trees in bioretention areas may be more easily impacted by storms because of side-
slope and saturated soil conditions.They should be inspected once or twice a year and following storm events to ensure they maintain a
vertical, upright position during establishment.Stakes should be removed once they are no longer needed to encourage self supporting
root systems (between one and two years).
Plant Nurseries
Check with your local nursery for availability of plants on the LIDI Bioretention plant list. Additionally, LIDI's
Bioretention Vendor List, while it may not be inclusive of all suppliers, provides contact information for Central
Coast nurseries that stock plants from the Bioretention plant list.
For additional technical resources:
www.centralcoastlidi.org
For questions or to contact the
Central Coast Low Impact Development Initiative:
info@centralcoastlidi.org
ta e
Central Coast
t Water Board
z UC Davi tiative
z A
LEGAL DISCLAIMER: This Technical Assistance Memo(TAM)is intended as guidance only and
should not be used as a substitute for site specific design and engineering.Applicants are
responsible for compliance with all code and rule requirements,whether or not described in this
TAM.
Central Coast Low Impact Development Initiative
Bioretention Plant List
Plants for Zone A: Periodic inundation, area ponds following storm events (6" to 12" depth for 24 - 72 hours) and compost amended sand soil.
Light Preferences Water Tolerances CA
Sunset
Scientific & Common Name Height/Width Climate Notes
Sun Part Shade Drought Inundation
Native
Zones'
0
Carex barbarae
1-2' / 1'-2' X X X X X 4-9, 14-23 Attracts butterflies, deer resistant, good for erosion control, can
Santa Barbara Sedge/ Basket Sedge spread agressively and should be sited carefully.
Carex divulsa
1' / spreading X X X X X
all,but 1A- Attractive blue-grey leaves. Can be mowed 4 in high to keep clean
Berkeley Sedge 3A look.
Carex flacca 1' / spreading X X X X 3A-9, 14-23 Attractive blue-grey leaves. Can be mowed 4 in high to keep clean
Blue Sedge look.
Carex praegracilis 1' / spreading X X X X all,but 1A-3A Mounding, drought deciduous during summer months.California Field Sedge
Carex spissa
3 -4' / 2-3' X X X X X all,but 1A-3A Can handle foot traffic and is deer resistant.
San Diego sedge
Chondropetalum tectorum all,but 1A-3A Needs very little maintenance. If trimmed too much plant will loose
Small Cape Rush
2 - 3' / 3 -4' X X X X X
and 7 visual integrity.
LeymuTolerant of drought, poor soils, part shade and seasonal wet. Spreads
Canyon Prince
satus 'Canyon Prince'
31/3' X X X X all,but 1A-3A by rhizomes, so nice planted in masses. Cut back annually in springCanyonPrinceWildRye
before new growth emerges.
juncus effusus
2 - 3' / clumping X X X X all Easy to grow &very reliable. Needs more water than juncos patens .Common Rush
juncus patens 'Elk Blue'
2' / clumping X X X X X all Very little maintenance, handles dry summers and wet winters.Elk Blue California Gray Rush
Muhlenbergia rigens
2 - 3' / 3 - 6' X X X X X all,but 1A-3A Can handle no watering, will stay green year round with watering,
Deer Grass trim annually.
Scirpus cernus
1' / spreading X X X 7-24 Grow individually or in mass, cut back once a year,very attractive.Low Bulrush
1 Refers to Sunset Western Garden Book Zones.The Central Coast includes the following Climate Zones:1A,2A,3A,7,9,14-24 www.sunset.com/garden/climate-zones/
Central Coast Low Impact Development Initiative
Bioretention Plant List
Plants for Zone A: Periodic inundation, area ponds following storm events (6" to 12" depth for 24 - 72 hours) and compost amended sand soil.
Light Preferences Water Tolerances CA
Sunset
Scientific & Common Name Height/Width Climate Notes
Sun Part Shade Drought Inundation
Native
Zones'
0 PERENNIALS
Achillea millefolium californica
1 - 3' / 2' X X X X X all Tolerates regular to no watering,foot traffic, attracts butterflies, stress
Yarrow deciduous.
Anemopsis californica
1 - 2'/ spreading X X X X all,but 1A-3A Mat forming ground cover, interesting white flowers, prune back in
Yerba Mansa late summer, likes moist conditions.
Bidens laevis
2-3' / 1 -2' X X X all but lA
Attracts beneficial insects, stress deciduous in summer, likes water
Joaquin Sunflower but will survive drought if pruned back.
Calliandra eriophylla
1 -3' / 1 -3' X X X X 10-24 Very attractive 1 -2 inch pink flowers, little water after established,
Fairy Duster semi-evergreen, attracts butterflies and hummingbirds.
Epipactis gigantea 1 - 2' / 2 -3' X X X X all Will go dormant during drought, interesting muted pink and yellow
Stream Orchid flowers.
Eschscholzia californica
1 -3 ' / 1 -3" X X X X all Can handle periodic inundation, cut back yearly to prevent it from
California Poppy becoming weedy.
Iris douglasiana
1 -2' / spreading X X X X all,but 1A-3A
Needs moisture or shade inland, does well on coast, evergreen leaves,
Douglas Iris attractive lanvendar-blue flowers in Spring.
Lilium pardalinum 3 - 8' / 6" X X X X 2-7, 14-17 Attractive red-orange spotted blossoms in spring,needs regular
Leopard Lily water, will get large in moist, partial shade conditions.
Lobelia cardinalis
2-3' / 2' X X X X X 1-7, 14-17 A bog plant, attracts hummingbirds, showy scarlet flowers.Cardinal Flower
Mimulus cardinalis
1 -3' / 1 -3' X X X X X all but 1A
Year round red color with regular water, attracts hummingbirds,
Scarlet Monkey Flower reseeds itself & should not be used for small spaces.
Mimulus guttatus 1 -3' / 1 -3' X X X X all but 1A Yellow flowers are abundant in spring-summer, attracts butterflies,
Seep Monkey Flower will die back in drought and come back following year.
Rudbeckia californica
2 - 5' / 1 -2' X X X X all Yellow showy flowers late summer and fall, cut back in winter, can
California Coneflower get large under ideal conditions and may require pruning.
Salvia spathacea
1 -3' / spreading X X X X X all,but 1A-3A Very attractive foliage and flowers, fragrant, attracts hummingbirds,
Hummingbird Sage deer resistant, likes to grow in understory of trees.
Sisyrinchium bellum
6" -1' / 6" - 1 X X X X all,but 1A-3A
Requires little to no maintenance. Summer dormant, will come back
Blue-Eyed Grass during wetter months on it's own. Can irrigate to prolong flowering.
Solidago californica
Attracts beneficial insects and butterflies. Attractive yellow flowering
California Goldenrod
1 -3' / 2-3' X X X X X X all,but 24 inflorescents in summer and fall. Dormant in winter, cut back to
round.
1 Refers to Sunset Western Garden Book Zones.The Central Coast includes the following Climate Zones:1A,2A,3A,7,9,14-24 www.sunset.com/garden/climate-zones/
Central Coast Low Impact Development Initiative
Bioretention Plant List
Plants for Zone A: Periodic inundation, area ponds following storm events (6" to 12" depth for 24 - 72 hours) and compost amended sand soil.
Light Preferences Water Tolerances CA
Sunset
Scientific & Common Name Height/Width Climate Notes
Sun Part Shade Drought Inundation
Native
Zones'
RUBSHRUBS/SUBSH SM
Baccharis pilularis Adaptable evergreen shrub, provides quick cover and bank
Coyote Brush
wide variation X X X X all,but 1A-3A stabilization, tolerant of coastal conditions, alkaline soil, sand, clay
and seasonal wet, dwarf (low growing) varieties available.
Zauschneria californica 'Catalina'
Likes moisture but will survive through drought, attractive red
Island California Fuchsia
1 -3' / 2-3' X X X X X All but 1A flowers that hummingbirds like. This species is hardier and flowers
last longer.
Zauschneria californica 'Uvas Canyon' Grey foliage, attractive red- orange flowers, very showy in late fall.
San Jose California Fuchsia
2-3' / spreading X X X X X All but 1A Full sun with regular watering or along coast. Can be mowed to look
like lawn.
LARGE SHRUBS TREES
Aesculus californica
Small tree that has fragrant white panicles April -May.. Needs
California Buckeye
15'X X X X X all but 1A-2A regular water for the first 2 years. Interesting form throughout all
seasons. Good for native bee population.
Amorpha californica
6' / spreading X X X X X all,but 1A-3A Large shrub,with fragrant purple flowers. Needs no water after
California False Indigo Bush established. Provides larval food for California State butterfly.
Cercis occidentalis
Needs winter chill to set flowers properly. Abundant amount of
Western Redbud
3 - 16' / 3 - 16'X X X X X all but 1A flowering purple-pink flowers in spring. Can be pruned to tree or left
as shrub.
Cornus californica Attractive red branching stems with red deciduous leaves in winter.
California Dogwood
3 - 10'/ 3 -10' X X X X all,but 1A-3A
Good for erosion control. Showy white blooms in spring.
Garrya elliptica 'James Roof'
10- 15' X X X X X all,but 1A-3A
Drought tolerant where rainfall exceeds 20." Evergreen shrub - tree
Silk Tassel with hanging white catkins.
Deciduous shub that can be pruned to a tree. Can handle extreme
Sambucus mexicana
6 - 15' X X X X X all but 1A drought after first years. Needs maintenance to upkeep appearance.
Tapiro, Blue Elderberry Attractive yellow flowers and edible blue berries. Great for ecosystem
rehabilitation.
Deciduous shrub, fast growing. Attractive pink clustered flowersSpiraeadouglasii
Western Spiraea
4 -5' X X X X X all summer to early fall. Drought tolerant once established. Very
adaptable.
1 Refers to Sunset Western Garden Book Zones.The Central Coast includes the following Climate Zones:1A,2A,3A,7,9,14-24 www.sunset.com/garden/climate-zones/
iwater and the Constr ction Ind stry
Construction Phasing
Protect Natural Features Vegetative Buffers
1.4
Bad Bad
Good Sequence construction activities so that the soil is not Good
Minimize clearing. exposed for long periods of time.Protect and install vegetative buffers along waterbodies to
Minimize the amount of exposed soil. Schedule or limit grading to small areas. slow and filter stormwater runoff.
Silt Fencing Identify and protect areas where existing vegetation,such as Install key sediment control practices before site grading Maintain buffers by mowing or replanting periodically to
trees,will not be disturbed by construction activity.begins. ensure their effectiveness.
Protect streams,stream buffers,wild woodlands,wetlands, Schedule site stabilization activities,such as landscaping, Site Stabilizationorothersensitiveareasfromanydisturbanceorconstructiontobecompletedimmediatelyafterthelandhasbeen
activity by fencing or otherwise clearly marking these areas. graded to its final contour.
a nW-E maintain our BMPSI
Bad
IN RIVERSIDE COUNTY . . . .Call 1 -800-506-2555 Bad
Good
Inspect and maintain silt fences after each rainstorm. TO REPORT ILLEGAL STORIVIDRAIN DISPOSAL
Make sure the bottom of the silt fence is buried in the ground. Good
Vegetate,mulch,or otherwise stabilize all exposed areas as
Securely attach the material to the stakes. E-mail: F I o o d.fc n p d e s @ co.riverside.ca.us soon as land alterations have been completed.
Don't place silt fences in the middle of a waterway or use them as
a check dam. Visit our website: www.floodcontrol.co.riverside.ca.0
Make sure stormwater is not flowing around the silt fence.
Bro t to y y the Storm Water/Clean Water Pollution Storm Drain Inlet Protection
Construction Entrances Protection Program... . .
REMEMBER, ONLY RAIN IN THE STORMDRAIN!
Slopes
Dirt Stockpiles
3 f Bad xi
Bad
s
Good
Good Bad
LL
Use rock or other appropriate material to cover the storm
drain inlet to filter out trash and debris.
Remove mud and dirt from the tires of construction vehicles a~*_c
before they p y Make sure the rock size is appropriate(usuallyenteraavedroadway.
B a d
Properly size entrance BMPs for all anticipated vehicles. Good
1 to 2 inches in diameter).
Make sure that the construction entrance does not become Rough grade or terrace slopes. If you use inlet filters,maintain them regularly.
buried in soil. Break up long slopes with sediment barriers,or under
Good
drain,or divert stormwater away from slopes. Cover or seed all dirt stockpiles.
www.epa.goy/npdes/menuofbmps
Stormwater and th Construct *ion Indus, ry
Planningd ImplementingErosion and Sediment Control Practiand
he construction industry is a critical participant in the nation's efforts to protect streams, rivers, lakes, Developing and Implementinglementin a Plananwetlands,and oceans.Through the use of best management practices(BMPs),construction site operators are p g 4. Certification and Notification
the key defense against erosion and sedimentation.
You must have a Plan that includes erosion and sediment control and pollution prevention BMPs.These Plans require Certify the Plan
As stormwater flows over a construction site,it picks up pollutants like sediment, debris,and chemicals. High Advance planning and training to ensure proper implementation of the BMPs
volumes of stormwater can also cause stream bank erosion and destroy downstream aquatic habitat.Preventing soil Submit permit application or notice of intent
Y q g Erosion and sediment control BMPs in place until the area is permanently stabilized
erosion and sedimentation is an important responsibility at all construction sites.
Once the Plan has been developed,an authorized representative must sign Preeons?ruction ChecklistppYPollutionpreventionBMPstokeeptheconstructionsite"clean"it.Now is the time to submit the permit application or notice of intent.
Regular inspection of the construction site to ensure proper installation and maintenance of BMPs Your permit might require that the Plan be kept on site,so be sure to kee • A site description,including
In addition to the environmental impact, uncontrolled erosion can have a significant financial impact on a P g q P P
construction project.It costs money and time to repair gullies,replace vegetation,clean sediment-clogged storm Fortunately,the practices and measures that must be included in your Plan are already part of the standard operating procedures at many construction sites.
it available for the staff implementing the Plan.Nature of the activity
drains,
sequence of major construction activities
drains,replace poorly installed BMPs,and mitigate damage to other people's property or to natural resources.Six steps are associated with developing and implementing a stormwater Plan. There's a wealth of information available on developing pollution Total area of the site
prevention plans.Please contact your permitting authority for help in finding additional guidance materials,or visit www.epa.gov/npdes/stormwater.A Erosion and
Existing soil type and rainfall runoff dataBestManagementPractice(BMP) sample construction plan is available at www.epa.gov/npdes/pubs/sample_swppp.pdf.
A BMP is a method used to prevent or control stormwater runoff and the discharge of pollutants,including sediment,into sedimentation control
o
site map with:
o Drainage patterns
local waterbodies.Silt fences,inlet protection,and site-stabilization techniques are typical BMPs on a construction site. 1• Site Evaluation and Design Development o Approximate slopes after major grading
Operator
g p practices are only
Collect site information o Area of soil disturbance
An operator is someone who has control over and the ability to modify construction plans and specifications(e.g.owner, as good as their o Outline of areas which will not be disturbed
general contractor) Develop site plan design o Location of major structural and nonstructural soil erosion
or Prepare pollution prevention site map installation and controls
o Areas where stabilization practices are expected to occur
Someone who has control over the day-to-day operations at a site e. .,owner,general contractor that are necessary The first step in preparing a Plan is to define the characteristics of the site and the type of construction that will occur.This involves collecting site
o Surface watersYYPggrYmaintenance.
to ensure compliance with the permit requirements.It is the responsibility of a construction site owner or operator to information,identifying natural features that should be protected,developing a site plan design,describing the nature of the construction activity,and
P P q P Y P o Stormwater discharge locations
contain stormwater runoff and prevent erosion during all stages of a project.
preparing a pollution prevention site map.
P g g P I Name of the receiving water(s)
There may be more than one person at a site who meets these definitions and must apply for permit coverage.(States 2• Assessment 5. Implementing and A description of controls:
Erosion and sediment controls,including
may have different definitions of the term"operator.") Maintaining a PlanMeasurethesitearea o Stabilization practices for all areas disturbed by construction
Determine the drainage areas Implement controls
o Structural practices for all drainage/discharge locations
So what's being done about polluted runoff.? Stormwater management controls,including
The Clean Water Act includes the National Pollutant Discharge Elimination System(NPDES)permitting program.Calculate the runoff coefficient Inspect and maintain controls o Measures used to control pollutants occurring in stormwater
As of January 2003,44 states and territories are authorized to issue NPDES stormwater permits.If your state isn't The next step is assessing the impact the project will have on stormwater runoff.Determine the drainage areas and estimate the runoff amounts and Update/change the Plan discharges after construction activities are complete
velocities.For more information on calculatng the runoff coefficient,go to www.epa.gov/npdes/pubs/chap02 page 11. o Velocity dissipation devices to provide nonerosive flow conditionsauthorizedtooperatetheNPDESstormwaterpermitprogram,EPA issues the permits.Permits vary from state to
conguide.pdf,
Report releases of hazardous materials from the discharge point along the length of any outfall channel
state,so contact your state or EPA for specific information.Your permitting authority has specific information on
your state's NPDES stormwater permit program.In general,construction permits require construction operators 3. Control Selection and Plan Design A Plan describes the practices and activities you'll use to prevent Other controls,including
to do all of the following:
stormwater contamination and meet the NPDES permit requirements. o Waste disposal practices that prevent discharge of solid materials
Review and incorporate state or local requirements Make sure that the Plan is implemented and that the Plan is updated as o Measures to minimize offset tracking of sediments by construction
Develop and implement a stormwater pollution prevention plan necessary to reflect changes on the site. vehicles
Select erosion and sediment controls o Measures to ensure compliance with state or local waste disposal,
Submit a permit application or notice of intent(NOI) Erosion and sedimentation control practices are only as good as their
sanitary sewer,or septic system regulationsSelectotherControlsinstallationandmaintenance. Train the contractors that will installComplywiththepermit,including maintaining BMPs and inspecting the site
the BMPs and inspect immediate) to ensure that the BMPs have been Description of the timing during the construction when measures will
Select stormwater management controls P Y be implemented
Under the NPDES program,construction activities that disturb 1 or more acres are required to obtain stormwater installed correctly.
Indicate the location of controls on the site mappermitcoverage.States have different names for the plans that construction operators must develop,such as Regularly inspect the BMPs(especially before and after rain events)and •
State or local requirements incorporated into the Plan
Prepare an inspection and maintenance plan perform any necessary repairs or maintenance immediately.Many BMPs • Inspection and maintenance procedures for control measures identified in
Stormwater pollution prevention plan the Plan
Coordinate controls with construction activity
are designed to handle a limited amount of sediment.If not maintained,
Erosion and sediment control plan y they'll become ineffective and a source of sediment pollution.Contractor certification and Plan certification
Erosion control and stormwater management plan Prepare sequence of major activities
It's also important to keep records of BMP installation,implementation,
Stormwater management plan In the third step you'll actually document your procedures to prevent and control polluted stormwater runoff.You must delineate areas that will not be and maintenance.Keep track of major grading activities that occur on the
disturbed,including critical natural areas like streamside areas,floodplains,and trees.You must also identify the measures(or BMPs)you'll use to protect site,when construction activities cease(temporarily or permanently),and Implementation ChecklistWaterpollutioncontrolplanP
these areas. when a site is temporarily or permanently stabilized.
Pollution prevention plan Maintain records of construction activities,including
Soil erosion control tips... Phasing your project to minimize the amount of exposed If construction plans change at any time,or if more appropriate BMPs are Dates when major grading activities occurDesignthesitetoinfiltratestormwaterintothegroundandtokeepitoutofstormdrains.Eliminate
soil at an given time is a highly effective way to prevent chosen for the site,update the Plan accordingly.This document uses the term"Plan."
or minimize the use of stormwater collection and conveyance systems while maximizing the use of Y g g Y Y P P g Y'Dates when construction activities temporarily cease on the site or
erosion.Erosion control measures designed to prevent
stormwater infiltration and bioretention techniques. a portion of the site
think I need a permit... Where do I start? soil from being mobilized include diversions
li
route 6• Completing the Project. permanentlyMinimizetheamountofexposedsoilonsite. Dates when construction activities ermanentl cease on the site or a
To the extent possible,plan the project in stages to minimize the amount of area that is bare and stormwater away from exposed soils and stabilization
p p p ! g portion of the siteAllland-disturbing activities,including clearing,grading,and excavation,that disturb 1 or more acres are required
subject to erosion.The less soil exposed,the easier and cheaper it will be to control erosion.
with vegetation,mulch,and geotextiles.Sedimentation Final Stabilization andtobecoveredunderastateorEPA-issued NPDES construction stormwater permit poor to land disturbance.Permit control measures designed to remove sediment from Dates when stabilization measures are completed on the site
Vegetate disturbed areas with permanent or temporary seeding immediately upon reaching final
requirements vary by state.Begin by researching the specific requirements in your state.You might already be subject grade.
stormwater or prevent it from leaving the site include Prepare inspection reports summarizing
to local erosion and sediment control requirements,but that doesn't release you from the requirements of the NPDES Vegetate or cover stockpiles that will not be used immediately. silt fences,sediment traps,and diversions. Termination of the Permit Name of person conducting BMP inspections
program at the state or EPA level.Although you must comply with both sets of requirements,in most cases they have Reduce the velocity of stormwater both onto and away from the project area. You'll need to select erosion and sediment controls— Final stabilization Qualifications of person conducting BMP inspections
been designed to be complementary.Contact your permitting authority to find out exactly what you need to do.A good Interceptors,diversions,vegetated buffers,and check dams are a few of the BMPs that can be used including stabilization measures for protecting dis-
co slow down stormwater as it travels across and away from the project site. Notice Of Termination BMPs/areas inspected
place to start your search is the Construction Industry Compliance Assistance web site at http://www.envcap.org/cica. turbed areas and structural controls for diverting run-
Diversion measures can also be used to direct flow away from exposed areas toward stable Observed conditionsoffandremovingsediment—that are appropriate for Record retention
The NPDES permit requirements include small construction activities that are part of a larger common plan of portions of the site.
your particular site.The appropriateness of the control Necessary changes to the Plan
Silt fences and other types of perimeter filters should never be used to reduce the velocity of Man states and EPA require a Notice of Termination NOT or otherdevelopmentorsale,such as a single lot within a larger subdivision.For developments with multiple operators,all runoff. measures will depend on several factors,but will be Y q NOT)
Report releases of reportable quantities of oil or hazardous materials
operators must have permit coverage for their individual parts of the larger development,no matter how large or influenced most directly by the site characteristics. notification signifying that the construction activity is completed. An
Protect defined channels immediately with measures adequate to handle the storm flows expected. NOT is required when Notify the National Response Center at 800-424-8802 immediatelysmalleachoperationhappenstobe.When there are multiple operators at one site,they're encouraged to develop Sod,geotextile,natural fiber,riprap,or other stabilization measures should be used to allow the
Some stabilization measures you might consider are 4
and share one comprehensive Plan and obtain permit coverage as co-permitees. channels to carry water without causing erosion.Use softer measures like geotextile or vegetation temporary seeding,permanent seeding,and mulching. Final stabilization has been achieved on all portions of the site Report releases to your permitting authority immediately,or as
Construction sites that discharge where possible to prevent downstream impacts. Structural control measures include earth dikes,silt for which the permittee is responsible. specified in your permit.You must also provide a written report
The owner or operator of the construction site is responsible for complying unpermitted stormwater are in Keep sediment on site. fences,and sediment traps.No single BMP will meet within 14 days.
Place aggregate or stone at construction site vehicle exits to accommodate at least two tire all of the erosion and sedimentation control needs of a
Another operator has assumed control over all areas of the site
Modify the Plan to includewiththerequirementsofthepermit.Responsibilities include developing a Plan, that have not been final) stabilized.That operator would needviolationof - -revolutions of large construction vehicles.Much of the dirt on the tires will fall off before the construction site.A combination of BMPs is necessary.
Y P
endoobtainingconstructioncoon
e,implementing BMPs,and stabilizing the site at the ri o The date of releasePgPggandmaysubjectnesupvehiclegetstothestreet. to submit a new permit application to the permitting authority.For more information on the types of BMPs appropri-
o Circumstances leading to the releaseendoftheconstructionactivity. Regular street sweeping at the construction entrance will prevent dirt from entering storm drains. g
to ate for your construction site,see the BMP fact sheet For residential construction only,temporary stabilization of aDonothosepavedareas.
series available at www.epa.gov/npdes/menuofbmps. lot has been completed prior to transference of ownership to the c Steps taken to prevent reoccurrence of the release
Determine your eligibility Sediment traps and basins are temporary structures and should be used in conjunction with other
All construction activity that disturbs 1 or more acres of land,as well as activity that disturbs less than 1 acre but is measures to reduce the amount of erosion.
homeowner,with the homeowner being made aware of the need • Modify Plan as necessary
to perform final stabilization.
Incorporate requests of the permitting authority to bring the Plan intopartOfalargercommonplanOfdevelopment,must obtain permit coverage. Maintaining all BMPs is critical to ensure their effectiveness during the life of the project. P 9 P B Y g
Regularily remove collected sediment from silt fences,berms,traps,and other BMPs.
Permittees must keep a copy of their permit application and their Plan
compliance
Read and understand your stormwater permit requirements Ensure that geotextiles and mulch remain in place until vegetation is well established. for at least 3 years following final stabilization.This period may be longer Address changes in design,construction operation,or maintenance
Get a copy of the permit for construction activities and a permit application(or notice of intent form)from your Maintain fences that protect sensitive areas,silt fences,diversion structures,and other BMPs. depending on state and local requirements. that affect the potential for discharge of pollutants
state or EPA permitting authority.
Develop a Plan
Other BMPs and Activities to Control Polluted Runoff
Most states do not require you to submit your Plan. However,you do need to keep the Plan on site. If that's You'll need to select other controls to address potential pollutant sources on your site.Construction materials,debris,trash,fuel,paint,and stockpiles become pollution An ounce ofprevention is worth a pound of cure. It's far more efficient and cost-impractical,you may post a notice that tells where the Plan is kept so it can be accessed by the permitting authority sources when it rains.Basic pollution prevention practices can significantly reduce the amount of pollution leaving construction sites.The following are some simple
and other interested parties. practices that should be included in the Plan and implemented on site:p effective to prevent pollution than it is to try to correct problems later. Installing an
You'll need to post a copy of your completed application on site.Put it in a place where the public can see it so
Keep potential sources of pollution out of the rain as practicable(e.g.,inside a building,covered with plastic or tarps,or sealed tightly in a leak-proof container).
11
Clearly identify a protected,lined area for concrete truck washouts.This area should be located away from streams,storm drain inlets,or ditches and should be cleaned maintaining simple BMPs and pollution prevention techniques on site can greatly
they'll know your site is covered by an NPDES permit! out periodically.
Apply for permit coverage Park,refuel,and maintain vehicles and equipment in one area of the site to minimize the area exposed to possible spills and fuel storage.This area should be well away reduce the potential for stormwater pollution and can also save you money!
Once you understand your permit requirements and have developed a Plan,you can submit a stormwater permit
From streams,storm drain inlets,or ditches.Keep spill kits close by and clean up any spills or leaks immediately,including spills on pavement or earthen surfaces.
application (or notice of intent) to your permitting authority. This must be done before beginning any land Practice good housekeeping.Keep the construction site free of litter,construction debris,and leaking containers.Keep all waste in one area to minimize cleaning.
disturbance on the site.Some states require a few days of lead time,so check with your permitting authority.Once Never hose down paved surfaces to clean dust,debris,or trash.This water could wash directly into storm drains or streams.Sweep up materials and dispose of them in Stor m ryou've submitted the application,you must satisfy the conditions of the permit.
the trash.Never bury trash or debris!
Dispose of hazardous materials properly.
Implement the Plan
Be prepared to implement the BMPs in your Plan before construction begins. Ensure that BMPs are properly
T, Ll 11maintained,and upgrade and repair them as necessary.Visit www.epa.gov/npdes/stormwater for more information. PROTECTION PROGRAM
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Polluted stormwater runoff can have
many adverse effects on plants, fish,
Stormwater runoff occurs when precipitation animals, and people.
from rain or snowmelt flows over the ground. Sediment can cloud the water
Impervious surfaces like driveways, sidewalks, and make it difficult or
and streets prevent stormwater from impossible for aquatic plants to
naturally soaking into the ground. grow Sediment also can
destroy aquatic habitats.
Excess nutrients can cause
algae blooms.When algae die,
they sink to the bottom and decomposeTAh, stormwafer in a process that removes oxygen from'Y the water. Fish and other aquatic
pro6fern?
organisms can't exist in water with low
dissolved oxygen levels.
Bacteria and other pathogens can wash
into swimming areas and create health
hazards, often making beach closures
necessary.
Debris—plastic bags, six-pack rings, bottles, and
cigarette butts—washed into waterbodies can choke, suffocate, or
disable aquatic life like ducks, fish, turtles, and birds.
Household hazardous wastes like insecticides, pesticides, paint,
r, solvents, used motor oil, and other auto fluids can poison aquatic life.
Land animals and people can become sick or die from eating diseased
fish and shellfish or ingesting polluted water.
Stormwater can pick up debris, chemicals, dirt, and other
Polluted stormwater often
pollutants and flow into a storm sewer system or directly to
affects drinking watersources. This, in turn, can
a lake, stream, river, wetland, or coastal water.Anything that affect human health and
enters a storm sewer system is discharged untreated into increase drinking water
the waterbodies we use for swimming, fishing, and providing treatment costs.
drinking water.
Auto care
Washing your car and
degreasing auto parts at home EWumaiow a eweA & &ufgimy peop&Q bekavtot.
can send detergents and other s, Sigma cuaxkeir ctecvc wcucw 7P iWect
contaminants through the
storm sewer system. Dumping poi e&" lie dvw wX be ca'ucied
automotive fluids into storm uwAM W iw&a &d vm Wody.
p'CO drains has the same result as
eat doc2iCaCd Quw4 aQ Wm,& Q pPQti to paZ, dumping the materials directly
ad Ned wotot °d ad°
into a waterbody.
Use a commercial car wash that treats or
Dow tpo"Ie" OK&Ve ywtwd o4, !A&4to+tcw dMA . recycles its wastewater, or wash your car on Permeable Pavement—Traditional concrete and
your yard so the water infiltrates into the asphalt don't allow water to soak into the ground.
ground. Instead these surfaces rely on storm drains to
Lawn care
Repair leaks and dispose of used auto fluids divert unwanted water. Permeable pavement
and batteries at designated
recycling
drop-off systems allow rain and snowmelt to soak through,
and pesticides Y g
Excess fertilizers
locations.
p or
decreasing stormwater runoff.
applied to lawns Rain Barrels—You can
and gardens wash
off and pollute
collect rainwater from
p Septic Pet waste rooftops in mosquito-
streams. In
addition, yard
systems
Pet waste can be proof containers.The
clippings and Leaking and a major source of _
water can be used later on
g lawn or garden areas.leaves can wash poorly bacteria and
into storm drains and contribute maintained E I excess nutrients Rain Gardens and
nutrients and organic matter to streams. in local waters.g septic Grassy Swales—Specially
Don't overwater your lawn. Consider
systems release nutrients and When walking designed areas planted
pathogens (bacteria and with native plants can provide natural laces for
using a soaker hose instead of a
viruses) that can be picked up
Your pet,p p p
sprinkler. by stormwater and discharged
remember to pick up the rainwater to collect
waste and dispose of it and soak into the
Use pesticides and fertilizers into nearby waterbodies.
properly. Flushing pet ground. Rain from
sparingly.When use is necessary, use Pathogens can cause public waste is the best disposal rooftop areas or paved
these chemicals in the recommended health problems and method. Leaving pet waste areas can be diverted
amounts. Use organic mulch or safer environmental concerns.
on the ground increases into these areas rather
pest control methods whenever
Inspect your system every public health risks by than into storm drains.
possible. 3 years and pump your allowing harmful bacteria
Compost or mulch yard waste. Don't tank as necessary (every 3 and nutrients to wash into Vegetated Filter Strips—Filter strips are areas of
leave it in the street or sweep it into to 5 years).
the storm drain and native grass or plants created along roadways or
storm drains or streams. eventually into local streams.They trap the pollutants stormwater
Don't dispose of waterbodies. picks up as it flows across driveways and streets.
Cover piles of dirt or mulch being household hazardous
used in landscaping projects. waste in sinks or toilets.
Dirt, oil, and debris that collect in Erosion controls that aren't maintained can cause
parking lots and paved areas can be excessive amounts of sediment and debris to be
washed into the storm sewer system carried into the stormwater system. Construction
and eventually enter local vehicles can leak fuel, oil, and other harmful fluids
waterbodies. that can be picked up by stormwater and
Sweep up litter and debris from deposited into local waterbodies.
sidewalks, driveways and parking lots,Divert stormwater away from disturbed or
a JIV vy especially around storm drains. exposed areas of the construction site.
Cover grease storage and dumpsters Install silt fences, vehicle mud removal areas,
and keep them clean to avoid leaks. vegetative cover, and other sediment and
Report any chemical spill to the local erosion controls and properly maintain them,
hazardous waste cleanup team.especially after rainstorms.
They'll know the best way to keep Prevent soil erosion by minimizing disturbed
spills from harming the environment. areas during construction projects, and seed
and mulch bare areas as soon as possible.
Lack of vegetation on streambanks can lead to erosion. Overgrazed pastures can also
contribute excessive amounts of sediment to local waterbodies. Excess fertilizers and
pesticides can poison aquatic animals and lead to destructive algae blooms. Livestock in
streams can contaminate waterways with bacteria, making them unsafe for human contact.
r
Keep livestock away from streambanks and provide
them a water source away from waterbodies.
Store and apply manure away from waterbodies and in
accordance with a nutrient management plan.
1r
Vegetate riparian areas along waterways.
Rotate animal grazing to prevent soil erosion in fields.
r
Apply fertilizers and pesticides according to label
instructions to save money and minimize pollution.
Uncovered fueling stations allow spills to be
IN washed into storm drains. Cars waiting to be
repaired can leak fuel, oil, and other harmful
Improperly managed logging operations can result in erosion and fluids that can be picked up by stormwater.
sedimentation.
Clean up spills immediately and properly
Conduct preharvest planning to prevent erosion and lower costs.dispose of cleanup materials.
Use logging methods and equipment that minimize soil disturbance. Provide cover over fueling stations and
w '
Plan and design skid trails, yard areas, and truck access roads to
design or retrofit facilities for spill
minimize stream crossings and avoid disturbing the forest floor.
containment.
Construct stream crossings so that they minimize erosion and physical Properly maintain fleet vehicles to preventoil, gas, and other discharges from being
changes to streams. washed into local waterbodies.
Expedite revegetation of cleared areas. Install and maintain oil/water separators.
In Riverside County, report illegal discharges
into the storm drain, call 6 9 9 0 . 9 6
1-800-506-2555
Only Rain Down the Storm Drain"
Riverside County Household Hazardous
Waste Collection Information
1-800-304-2226 or www.rivcowm.org
Riverside County Backyard
Composting Program
1-800-366-SAVE
Integrated Pest Management (IPM)Solutions
www.ipm.ucdavis.edu
California Master Gardener Programs W
www.mastergardeners.org
www.camastergardeners.ucdavis.edu
California Native Plant Society 1 I r,.
www cnps.or
The Riverside County"Only Rain Down the Storm Drain' r
Pollution Prevention Program gratefully acknowledges
Orange County's Storm Water Program for their
contribution to this brochure.
a
e
Tips for p ' Gardening
This brochure will help you to get the most 0 Do not rake or blow leaves, clippings or Try natural long-term common sense
of your lawn and gardening efforts and keep our pruning waste into the street, gutter or storm solutions first. Integrated Pest Management
waterways clean. Clean waterways provide drain. Instead, 4iPM1 can provide landscaping guidance and
recreation, establish thriving fish habitats, secure dispose of green " solutions, such as:
safe sanctuaries for wildlife, and add beauty to waste by com- Physical Controls - Try hand picking,
our communities. NEVER allow gardening posting,hauling barriers, traps or caulking holes totxproductsorwastewatertoenterthestreet, it to a per- ? control weeds and pests.
gutter or storm drain. mitted landfill,
or recycling it Biological Controls - Use predatory
General Landscaping Tips through your insects to control harmful pests.
city's program.
Protect stockpiles and materials from wind
Chemical Controls - Check out
and rain b storing them under tarps or
www.ipm.ucdavis.edu before using
Y g p Consider recycling your green waste and chemicals. Remember, all chemicals
secured plastic sheeting. adding "nature's own fertilizer" to your lawn should be used cautiously and in
Prevent erosion of or garden. moderation.
slopes by planting fast-
growing, dense ground Read labels and use only as directed. Do not If fertilizer is spilled, sweep up the spill before
covering plants. These over-apply pesticides or fertilizers. Apply to irrigating. If the spill is liquid, apply an
will shield and bind the
spots as needed, rather than blanketing an absorbent material such as cat litter, and then
entire area. sweep it up and dispose of it in the trash.
soil.
Plant native vegetation Store pesticides
Take unwanted pesticides to a HouseholdfertilizersandotherWasteCollectionCentertoberecycled.
to reduce the amount chemicals in a dry covered area to prevent
of water, fertilizers and exposure that may result in the deterioration Dumping toxics into the street, gutter or
pesticides applied to of containers and packaging.
the landscape. storm drain is illegal.
Never apply pesticides or fertilizers when rain 0 Rinse empty pesticide containers and re-use
is predicted within the next 48 hours. rinse water as you would use the product.
Do not dump rinse water down storm drains
Garden & Lawn Maintenance or sewers. Dispose of empty containers in
the trash.
Do not overwater. Use irrigation practices
such as drip irrigation, soaker hoses or micro- 0 When available,use non-toxic alternatives to
spray systems. Periodically inspect and fix traditional pesticides, and use pesticides
leaks and misdirected sprinklers. specifically designed to control the pest you
are targeting.
Riverside County Stormwater Protection Partners Storm drains are NOT connected to sanitary sewer systems and
Flood Control District 951) 955-1200
County of Riverside 951) 955-1000
I I I ,' I
treatment plants!
City of Banning 951) 922-3105
City of Beaumont 951) 769-8520
I ICityofCalimesa909) 795-9801
City of Canyon Lake 951) 244-2955 ONLY RAIN IN THE DRAIN
Cathedral City 760) 770-0327
City of Coachella 760) 398-4978
City of Corona 951) 736-2447 i
City of Desert Hot Springs 760) 329-6411
City of Eastvale 951) 361-0900 he primary purpose of storm drains drain water away from developed areas
City of Hemet 951) 765-2300 Tto prevent flooding. Pollutants discharged'to storm drains are transported directly
City of Indian Wells 760) 346-2489 into rivers, lakes and streams. Soaps, degreasers, automotive fluids, litter and a host of
City of Indio 760) 391-4000
City of Lake Elsinore 951) 674-3124 materials are washed off buildings, sidewalks, plazas and parking areas. Vehicles and
City of La Quinta 760) 777-7000 equipment must be properly managed to prevent thepollution of local waterways.
City of Menifee 951) 672-6777
4CityofMorenoValley951) 413-3000 Unintentional spills by mobile service operators ca storm drains an c poll4teCityofMurrieta951) 304-2489
City of Norco 951) 270-5607 our waterways. Avoid mishaps. Always have a Spill esponse Kit on hand to clean up
City of Palm Desert 760) 346-0611 unintentional spills. Only emergency Mechanical repairs should be done in City streets,
City of Palm Springs 760) 323-8299
City of Perris 951) 943-6100 G using drip pans for spills. Plumbing should be done on private property. Always store
City of Rancho Mirage 760) 324-4511 chemicals in a leak-proof container and keep covered when not in use. Window/Power
City of Riverside 951) 361-0900 Washing waste water shouldn't be released into the streets, but should be disposed of in
City of San Jacinto 951) 654-7337
City of Temecula 951) 694-6444 a sanitary sewer, landscaped area or in the soil. Soiled Carpet Cleaning wash water
City of Wildomar 951) 677-7751 should be filtered before being discharged into the sanitary sewer. Dispose of all filter
REPORT ILLEGAL STORM DRAIN DISPOSAL debris properly. Car Washing/Detailing operators should wash cars on private prope ty
1-800-506-2555 or a-mail us at and use a regulated hose nozzle for water flow control and runoff
fcnpdes Ca?rcflood.org
prevention. Capture and dispose of waste water and chemicals properly.
Riverside County Flood Control and Water Remember,storm drains are for receiving rain water runoff only. Conservation District
www.rcflood.org
Online resources include:
California Storm Water Quality Association
REPORT ILLEGAL
X
wwwcasga.org STORM DRAIN
State Water Resources Control Board
wwwwaterboards.ca.gov DISPOSAL i
Power Washers of North America
www thepwna." 1-800-506-2555
guidelinesHelp Ptefeet Our Ila terivaif s .1
Use these Outdoor
id you know that disposing of Do...obtain the property owner's permission to Using Cleaning Agents Screening Wash Water
pollutants into the street, gutter, dispose of small amounts of power washing waste Conduct thorough dry cleanup before washing
storm drain or body of water is water on to landscaped, gravel or unpaved Try using biodegradable/phosphate-free products. exterior surfaces, such as buildings and decks
PROHIBITED by law and can result surfaces. They are easier on the environment, but don't with loose paint, sidewalks or plaza areas. Keep
in stiff penalties? confuse them with being toxic free. Soapy water debris from entering the storm drain afterDo...check your local sanitary sewer agency's entering the storm drain system can impact the cleaning by first passing the wash water through
Best Management Practices policies on wash water disposal regulations before delicate aquatic environment. a "20 mesh" or finer screen to catch the solid
disposing of wash water into the sewer. (See list materials, then dispose of the mesh in a refuse
Waste wash water from Mechanics, Plumbers, on reverse side) container. Do not let the remaining wash water
Window/Power Washers, Carpet Cleaners, Car enter a street,gutter or storm drain.
Washing and Mobile Detailing activities may Do...be aware that if discharging to landscape
contain significant quantities of motor oil, grease, areas,soapy wash water may damage landscaping. Drain Inlet Protection &
chemicals, dirt, detergents, brake pad dust, litter Residual wash water may remain on paved Collection of Wash Water
and other materials. surfaces to evaporate. Sweep up solid residuals
Prior to any washing, block all storm drainsanddisposeofproperly. Vacuum booms are
Best Management Practices, or BMPs as they are another option for capturing and collecting wash with an impervious barrier such as sandbags
known, are guides to prevent pollutants from water. or berms, or seal the storm drain with plugs
appropriateotherro
entering the storm drains. Each of us can do our or:1 pp priate materials.
art to keep stormwater clean b using the Create a containment area with berms and
p p y g Do...check to see if local ordinances prevent traps or take advantage of a low spot to keepsuggestedBMPsbelow: certain activities.wash water contained.
Wash vehicles and equipment on grassy orSimplesolutionsforbothDonotlet...wash or waste water from gravel areas so that the wash water can seep
light and heavy duty jobs: sidewalk, plaza or building cleaning go into a into the ground.
street or storm drain. When cleaning surfaces with a high-pressure Pump or vacuum up all wash water in the
washer or steam cleaner, additional precautions contained area.DO...consider dry cleaning methods first such
as a mop,broom,rag or wire brush. Always keep should be taken to prevent the discharge of
a spill response kit on site.
pollutants into the storm drain system. These Concrete/Coring/Saw Cutting
two methods of surface cleaning can loosen
DrillingdDr Projects
Do...prepare the work area before power
additional material that can contaminate local an g
cleaning by using sand bags,rubber mats,vacuum
G waterways. Protect any down-gradient inlets by using dry
booms, containment pads or temporary berms to activity techniques whenever possible. If water is
keep wash water away from the gutters and storm Think Water Conservation used, minimize the amount of water used during
drains.the coring/drilling or saw cutting process. Place a
barrier of sandbags and/or absorbent berms to
Minimize water use by using high pressure, low protect the storm drain inlet or watercourse.Use aDo...use vacuums or other machines to Report illegal storm drain disposal volume nozzles. Be sure to check all hoses for shovel or wet vacuum to remove the residue from
remove and collect loose debris or litter before Call Toll Free leaks.Water is a precious resource,don't let it flow the pavement.Do not wash residue or particulate
applying water. 1-800-5 06-25 5 5 freely and be sure to shut it off in between uses. matter into a storm drain inlet or watercourse.
I 1 I I I i
I ' III 1
I
Salt water pools, although different from regular RIVERSIDE COUNTY WATER AGENCIES:
I I
pools, are in fact,sanitized using chlorine.A salt- City of Banning......................................................................(951)922.3130 1 1
chlorine enerator se arates the chlorine and City of Beaumont/CherryValley............................................(951)845-9581
g P City of Blythe........................................................................(760)922-6161
sodium molecules in salt and reintroduces them City of Coachella...................................................................(760)398-3502
into the pool water. The same harmful effects of City of Corona.......................................................................(951)736-2263
Cityof Hemet........................................................................(951)765-3710
chlorine still apply.City of Norco.........................................................................(951)270 5607
City of Riverside Public Works..............................................(951)351-6140
A salt water pool is still maintained with City of San Jacinto................................................................(951)654-4041
Coachella Valley Water District............................................(760)398-2651
chemicals such as Muriatic acid, soda ash and Desert Water Agency (Palm Springs)...................................(760)323-4971
sodium carbonate to help keep a proper pH,total Eastern Municipal Water District..........................................(951)928-3777
Elsinore Valley Municipal Water District...............................(951)674 3146 C
Alkalinity, Calcium Hardness and Stabilizer Elsinore Water District..........................................................(951)674-2168
J\levels. Farm Mutual Water Company...............................................(951)244-4198
Idyllwild Water District.........................................................(951)659-2143
Indio Water Authority 760 391.4129
VM0 Jurupa Community Services District.....................................(951)685.7434
AIIV Lee Lake Water.....................................................................(951)658-3241
Mission Springs Water...........................................................(760)329.6448
Rancho California Water District..........................................(951)296.6900
Ripley,CSA#62...................................................................(760)922-4951
Riverside Co.Service Area#51............................................(760)227-3203
Rubidoux Community Services District................................(951)684-7580
iValleySanitaryDistrict..........................................................(760)347-2356 pop
Western Municipal Water District.........................................(951)789-5000
Yucaipa Valley Water District................................................(W9)797.5117
CALL 1.800.506-2555 to:
Report clogged storm drains or illegal storm drain disposal from residential
It may be illegal to discharge salt water to land. industrial,construction and commercial sites into public streets,storm drains
and/or water bodies.
The salt may kill plants and the build-up of salt in Find out about our various storm drain pollution prevention materials.
soil puts animals,plants,and groundwater at risk. Locate the dates and times of Household Hazardous Waste (HHW)
Collection Events.
Consult your city representatives to determine Request adult,neighborhood,or classroom presentations.
local requirements regarding salt water drainage. Locate other County environmental services.
Receive grasscycling information and composting workshop information.
Or visit our
NEVER out unused chemicals into the Riverside County Flood Control and Water Conservation District
website at:wwwrcflood ore
trash, onto the ground or down a other links to additional storm drain pollution information:
County of Riverside Environmental Health: www rivcoeh.ore
stormdrain.State Water Resources Control Board:wwwwaterboards.ca.eov
Califomia Stormwater Quality Association:www casga ore
United States Environmental Protection Agency(EPA):
www.Qa.gov&ompliance/assistance (compliance assistance information)
IMPORTANT: The discharge of pollutants into I
the street, gutter, storm drain system or waterways -
without a permit or waiver-is strictly prohibited by
local ordinances, state and federal law. Violations
may result in monetary fines and enforcement
actions. I '
Riverside CoimWs,"Only Ham Dow„the storm Dtaut"%llutlon Prevention Program gtatrfdly
admowkt!M the Bay Ama Stormwater Managat>ent Agendes Association and the Cleaning
Pquor t Trade Association for mfa Lion ptovidcd in this brochtue.
Where does the water goP Discharge Maintenance
Regulations Chemicals
Regulatory requirements for discharging wastewater CleaningFiltersffromyourpoolmaydifferfromcitytocity.Chlorinated
water should not be discharged into the street, storm
Filter rinse water and backwash must be
drain or surface waters.Check with your water agency
discharged to the sanitary sewer,on-site
M to see if disposal to the sanitary sewer line is allowed for septic tank and drain field system (if
pool discharges (see reverse for Riverside County properly designed and adequately sized), ,
sewer agencies).
or a seepage pit. Alternatively, rinse
Pool,Jacuzzi and Fountain wastewater and rain water water or backwash may be diverted to landscaped or
runoff(also called stormwater) that reach streets can If allowed,a hose can be run from the pool Jacuzzi,or dirt areas.Filter media and other non-hazardous solids
enter the storm drain and be conveyed directly into fountain to the private sewer cleanout, washing should be picked up and disposed of in the trash.
local streams,rivers and lakes. machine drain or a sink or bathtub.
Algaecides
Avoid using copper-based algaecides unless absolutely
A461 necessary. Control algae with chlorine, organic
polymers or other alternatives to copper-based pool
chemicals. Copper is a heavy metal that can be toxic
to aquatic life when you drain your pool.
A storm drain's purpose is to prevent flooding by
carrying rain water away from developed areas. Storm Chemical Storage and Handling
drains are not connected to sanitary sewers systems
and treatment plants! 0 Use only the amount indicated on product labels
Wastewater,from residential swimming pools,Jacuzzis, 0 Store chlorine and other chemicals in a covered
fishponds and fountains, often contains chemicals area to prevent runoff. Keep out of reach of
used for sanitizing or cleansing purposes. Toxic children and pets.
chemicals (such as chlorine or copper-based
if you cannot discharge to the sewer,you may drain 0 Chlorine kits, available at retail swimming pool
algaecides) may pollute the environment when
your fountain, pool, or jacuzzi to your landscaping by equipment and supply stores, should be used to
discharged into a storm drain system.
following these guidelines: monitor the chlorine and pH levels before
The Cities and County of Riverside have adopted draining your pool.
ordinances that prohibit the discharge of wastewater
First, reduce or eliminate solids (e.g. debris, leaves or
p g dirt) in the pool water and allow the chemicals in the 40 Chlorine and other pool chemicals should never
to the street and storm drain system.
pool water to dissipate before draining the pool (this be allowed to flow into the gutter or storm drain
could take up to 7 days, verify using a home pool test
system.
kit). Take unwanted chemicals to a Househol
Second, slowly drain to a landscaped area away from Hazardous Waste (HHW) Collection
buildings or structures. Control the flow to prevent
Event. There's no cost for taking
soil erosion; it may take more than one day to empty.
HHW items to collection events —
Do not allow sediment to enter the street, gutter or
it's FREE! Call 1.800.506.2555
storm drain. for a schedule of HHW events in
your community.