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 (Posted March 28, 2014, Version 1.0)
The BMP Sizing Calculator has been taken down effective June 30, 2014. A new, more intuitive and easier to use BMP Sizing Spreadsheet is now available for download.
The user’s guide provides instructions on how to use the BMP Sizing Spreadsheet.
• This BMP Sizing Spreadsheet is a tool offered to assist the public with permit compliance, but its use is not intended to guarantee or warrant compliance, which is the independent responsibility of the user. In no event will the San Diego area municipal Copermittees be liable for any incidental, special or consequential damages of any kind (including, but not limited to, loss of information or other monetary loss) arising in any way in connection with the use or inability to use the BMP Sizing Calculator accessed from this website.
STORMWATER FACILITY FACT SHEETS (March 2010)
APWA Sponsored SUSMP Training - March 2010
APWA HSPF Model Training - June 2009