Stormwater Pollution Prevention

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Our Stormwater regulations protect people, property, and the environment from damage caused by stormwater runoff. Our Stormwater code also satisfies the City of American Canyon’s (City) obligation to comply with our Municipal Stormwater Discharge National Pollutant Discharge Elimination System (NPDES) Permit, issued by the California State Water Resources Control Board.

Napa County Stormwater Program
Report Dumping and Discharges to Storm Drain
Stormwater & Construction