Body Current Permits San Francisco Bay Region Municipal Regional Stormwater NPDES Permit Phase II Small Municipal Separate Storm Sewer System (MS4) Program General Information Simple Ways To Reduce Stormwater Pollution Caltrans Adopt-A-Highway Program provides for individuals, organizations, or businesses to help maintain sections of roadside within California's State Highway System. Santa Clara Valley Urban Runoff Pollution Prevention Program (SCVURPPP) Federal Clean Water Act