BAHM - Hydromodification Management

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Most Bay Area municipalities now require certain development or redevelopment projects to incorporate hydromodification management (HM) measures to minimize stream impacts such as excess erosion and sedimentation.  These are part of overall “C.3” requirements regarding design for both storm water quality (treatment) and HM.

The links below will take you to other sites.
 

 

Guidance for builders, developers and property owners on C.3 and HM requirements for projects in BAHM sponsor counties:

  

Alameda

San Mateo

Santa Clara - updated Handbook chapters including HM

Santa Clara - complete C.3 Handbook 


Overview of hydromodification issues and the BAHM


Presentation - Potential Solutions: Flow Duration Control Approach


PDF, 1.2 MB

 

 

PDF, .35 MB