Post-Construction BMPs


Countywide Stormwater Pollution Prevention Program

Foam Pollution (Stormwater)

Post-Construction BMPs

The following is a list of resources available for developers, builders and other project applicants with information on the use of site design, source control and treatment control BMPs to control the quality and quality of runoff during the use of development projects.


BASMAA Post Construction Manual for Phase II Municipalities

 This manual is intended to help development project applicants design and submit their projects for approval.  It applies to projects in all the municipalities in the NCSPPP service area including the cities of Napa, American Canyon, St. Helena, and Calistoga, the Town of Yountville and the County of Napa.  To help applicants calculate the size of bioretention features, download the Post Construction Sizing Calculator.

Stormwater Best Management Practice Handbook - New Development and Redevelopment.
This is one of a series of handbooks developed by the California Association of Stormwater Quality Agencies (CASQA) to provide guidance on selecting and implementing BMPs to reduce the discharge of pollutants from construction sites.  Click here for download.

Start at the Source, 1999 Edition and May 2003 Companion Document, Bay Area Stormwater Management Agencies Association (BASMAA)
 This document is intended for use in the planning and design phases of residential, commercial, institutional and industrial development and redevelopment.  It recognizes that one of the best opportunities to reduce the generation of urban runoff or “nonpoint source pollution” from development is through planning and design.

Post-Construction Stormwater BMPs in Action

This guidebook provides examples of Post-Construction BMPs that have been incorporated into the design of development projects in the northern half of the San Francisco Bay.  Click here for download.

Slow It, Spread It, Sink It

 This user-friendly manual describes simple ways homeowners can incorporate features into their landscape that treat stormwater runoff and recharge groundwater.