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Standard Urban Stormwater Mitigation

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The County of San Diego Standard Urban Stormwater Mitigation Plan for Land Development and Public Improvement Projects (SUSMP) is intended to help implement one part of the County's Stormwater Program.  The SUSMP only addresses land development and capital improvement projects.  It is focused on project design requirements and related post-construction requirements, not on the construction process itself.
 
The County’s regulatory programs for stormwater are established in County ordinances, principally the County of San Diego Watershed Protection, Stormwater Management, and Discharge Control Ordinance (WPO), at County Code sections 67.801 et seq.  The WPO defines the requirements that are legally enforceable by the County in the unincorporated parts of San Diego County.


SUSMP Manual (.pdf) Approved January 2011, updated September 2012
Appendix A: County Environmentally Sensitive Areas Map (.pdf)
Appendix B: Stormwater Intake Form for Development Projects (.pdf), updated November 2012
Appendix C: Major SWMP Form (.pdf), updated September 2012
Appendix D: Minor SWMP Form (.pdf), updated September 2012
Appendix E: Pollutant Sources and Source Control Checklist (.pdf)
Appendix F: Self Verification Forms (.pdf), updated September 2012
Appendix G: Hydromodification Management Plan (.pdf) Approved January 2011, updated March 2011


FAQ's:
Frequently Asked Questions about SUSMP and LID (.pdf)
Frequently Asked Questions about Hydromodification Management Criteria (.pdf)

Helpful Information and Documents:
Operation and Maintenance Cost Table for Treatment Control BMPs
(Excel)
Maintenance Notification Agreement for Category 1 Stormwater Treatment Control BMP’s (.pdf)
Hydromodification Management Documents
Low Impact Development Manual
SUSMP Flow Chart Process (.pdf)
85th Percentile Precipitation Map (.pdf)
Conditions of Approval (Sample)
Grading Ordinance
Drainage Design Manual
Hydrology Manual
Environmentally Sensitive Areas (ESA) - Guide for Construction Within ESA
 

Reviewer Checklist:
San Diego BMP Sizing Calculator Checklist
 

Minimal Hydromodification Submittal Requirements:
Continuous Simulation Software Other than the BMP Sizing Calculator
San Diego BMP Sizing Calculator 


If you have questions or would like additional information, 
call the County Stormwater hotline at 1(888) 846-0800
or e-mail us at watersheds@sdcounty.ca.gov

Report a Stormwater Violation On-Line
  
COUNTY OF SAN DIEGO
Department of Public Works
Watershed Protection Program
 
5510 Overland Ave., Suite 410, MS O326
San Diego,  CA  92123,  USA
(858) 495-5318           Fax: (858) 495-5263