The City of Grass Valley is permitted by the California State Water Resources Control Board as a Traditional Permitee under the Phase II Small Municipal Separate Storm Sewer System (MS4) Program. More information about the Small MS4 Program and permitting requirements is available here: SWRCB


Important Information Regarding Storm Water Management

Stormwater Information Flyer

CASQA - California Stormwater Quality Association

Construction Site Operator Education

Construction Site Runoff Control and Best Management Practices (BMP's)

City of Grass Valley Municipal Code Chapter 12.06-STORMWATER MANAGEMENT

PDF icon SWPP Flyer114.24 KB
PDF icon Const Op Education171.89 KB
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