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Stormwater Treatment Requirements

What Developers, Builders and Project Proponents Need to Know

Stormwater runoff from urbanized areas is the largest source of pollution to the nation's waters. Municipalities in urbanized portion of the San Francisco Bay Area are responsible for controlling stormwater pollution by complying with municipal stormwater National Pollutant Discharge Elimination System (NPDES) permits. The development or redevelopment of property represents an opportunity to incorporate treatment measures that can reduce water quality impacts, not only during construction, but also over the life of the project.

The following provides a link to the San Mateo Countywide Water Pollution Prevention Program website, which contains pertinent information and forms regarding on-site stormwater treatment.

San Mateo Countywide Water Pollution Prevention Program

If you need additional assistance, please telephone the Planning Division at (650) 991-8033 and ask to speak with a Planner.