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• MANUALS
  • 2013 MS4 Permit (Projects approved after February 26, 2016)
    • BMP Design Manual
    • Water Quality Equivalency for Region 9
    • San Diego Hydrology Manual (SDHM) 3.1 Manual
  • 2007 MS4 Permit (Projects approved  before February 26, 2016)
    • County LID Handbook 
    • Standard Urban Stormwater Mitigation Plan
• GREEN INFRASTRUCTURE RESOURCES
  • Green Streets Performance Standard
  • Green Streets Guidelines
  • Green Streets Design Criteria
  • Green Streets Standard Drawings (PDF)(CAD) 
  • Green Streets Maintenance Schedule
  • Green Streets Specifications 
    • Caltrans Supplement (updated January 2022)
    • Greenbook Supplement
  • Green Streets PDP Exemption SWQMP
  • Green Parking Lots Guidelines
  • Green Parking Lot Design Criteria
• DESIGN TEMPLATES AND DETAILS
  • Plan Sheet Templates
    • Standard Template (CAD) (PDF)
    • PDP Template (CAD) (PDF)
    • Example (PDF)
    • Construction BMP Template (CAD) (PDF)
  • Detail Sheets
    • Green Street Standard Drawings (PDF)(CAD) 
    • BMP Design Manual Fact Sheets
    • LID Handbook Details
    • Construction BMP Details (Caltrans) (CASQA)
  • Specifications
    • Biofiltration Soil Media (F.2) 2019
    • Green Book
      • Green Streets Greenbook Supplement
    • Caltrans
      • Green Streets Caltrans Supplement
  • Plant Lists
    • San Diego County Low Water Use, Ignition Resistive Plants
    • California-Friendly Vegetation
    • Bioretention Plant List (F.3)
    • Tree Palette (SD-A) 2019
    • County LID Handbook Plant Palette
• GIS RESOURCES
  • San Diego County ArcGIS Online Mapping Application
    • Watershed Finder
    • 85th Percentile Map
  • Find Your Watershed Tool
  • Watershed Management Area Analysis (WMAA) Data
  • SanGIS Regional Data Warehouse
  • San Diego County Rainfall Station Map
  • San Diego County Zoning and Property Information Tool
  • County of San Diego Citizen Access Portal
  • San Diego County Survey Records System
  • Soils Hydrology Group in PDS Initial Study Research Packet
    • User Guide for PDS Initial Study Research Packet
• COST TOOLS
  • Unit and Maintenance Cost Tool (Excel)
  • Unit Price List (PDF)
• PRIOR LAWFUL APPROVAL
  • County of San Diego Guidelines for Establishing Prior Lawful Approval
  • PDS Letter to Applicants (Feb. 10, 2016)
  • DPW Letter to Applicants (June 20, 2016)
  • Sample Letter to Applicants on Feb 16, 2021 Deadline (August 7, 2020)
• STORMWATER REGULATIONS
  • Watershed Protection Ordinance (WPO)
  • Municipal Separate Storm Sewer System (MS4) Permit
  • Grading Ordinance
  • Resource Protection Ordinance (RPO)
  • Flood Damage Prevention Ordinance
  • Water Conservation in Landscaping Ordinance

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• SUBMITTAL TEMPLATES
  • Stormwater Permit Application (Intake Form)  (PDF) (Word)
    • Instructions
  • 2020 SWQMP Forms
    • Standard SWQMP (PDF) (Word)
    • Priority Development Project (PDP) SWQMP (PDF) (Word)
      • Attachment 10: BMP Installation Verification Form
      • BMP Installation Verification Photo Guidance
      • For other Attachments see Attachment Table on the BMP DM page
    • Green Streets PDP Exemption
  • Final BMP Approval 
    • BMP Installation Verification Form
  • Maintenance Agreement Templates
    • Category 1 Maintenance Notification (Example of Recorded MNA)
    • Category 2 SWMA Instructions
    • Construction Project Acceptance Memo
  • Transfer of BMP Maintenance Responsibilities Notification Template
• HYDROMODIFICATION RESOURCES
  • San Diego Hydromodification Plan
  • Hydromodification Management Exemption Mapping
  • Critical Coarse Sediment Yield Assessment
    • Potential Critical Coarse Sediment Mapping
    • Resource Protection Ordinance
  • GIS Data for Hydromod Exemptions and CCSYA (MXD & KMZ data files from WMAA)
  • Geomorphic Assessment
    • San Diego Geomorphic Assessment Vulnerability Calculator
    • SCCRWP Hydromodification Field Screening Tool
    • SCCWRP Field Manual for Accessing Channel Susceptibility
• CALCULATORS AND MODELING SOFTWARE
  • Pollutant Control
    • Automated Pollutant Control Worksheet (V2.0)
  • HMP Control
    • BMP Sizing Calculator (V3.1)
    • BMP Sizing User Guide
    • BMP Sizing Calculator Methodology
    • Tree Well Sizing Factors (SD-A)
    • Impervious Area Dispersion Sizing Factors (SD-B)
    • San Diego Hydrology Model (SDHM) 3.1
    • EPA SWMM
      • San Diego County Rainfall Data
  • Pollutant Control and HMP Control
    • Significant Site Design (SSD) BMP Tool (V1.0)
    • PDP SWQMP Example for SSD-BMP Tool
    • SSD Overview Training
  • Conjunctive Use Handout
  • Water Quality Equivalency (WQE)
    • WQE Automated Worksheets
• MAINTENANCE
  • BMP Maintenance Plans
  • Unit and Maintenance Cost Tool (Excel)
  • Fact Sheets for Property Owners
• HANDOUTS FOR PROPERTY OWNERS
  • Do I Need a Construction Permit?
  • Waterbodies, Property and Permits
    • Cuerpos de Agua, Propiedad y Permisos
  • Private Drainage Guide
    • Guía de Drenaje Privado
  • Septic System Guide
    • Guía para Sistemas Séptico
  • Equine Residential BMP Handbook
  • Sustainable Landscape Program Guidelines
  • Erosion and Sediment BMPs
    • BMP de Erosión y Sedimentos
  • Structural BMP Fact Sheets for Property Owners
• TRAINING
  • County Training Slides:
    • 2020 BMP Design Manual Update
    • 2018 BMP Design Manual Update
    • 2016 BMP Design Manual
  • County Training Videos:
    • 2020 BMP Design Manual Update Webinar
      • Q&A - 2020 BMP Design Manual Webinar
  • Regional Training Slides: SDHM, SWMM, WQE, BMP Design Manual
• HELP
  • Model BMP Design Manual Help Desk
  • PDS Project Manager