The Stormwater Copermittee Land Development Workgroup is responsible for the development and update of the Countywide Model Standard Urban Stormwater Management Plan (SUSMP) and Hydromodification Management Plan (HMP), as well as related tools and resources. Workgroup information can be found here.
SUSMP & HMP RESOURCES
BMP Sizing Spreadsheet Version 2.0 (Posted March 28, 2014, revised on October 9, 2014 and October 1, 2016)
The BMP Sizing Calculator has been updated and can now be downloaded from the Model BMP Design Manual for San Diego Region page:
STORMWATER FACILITY FACT SHEETS (March 2010)
APWA Sponsored SUSMP Training - March 2010
APWA HSPF Model Training - June 2009