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Complaint Hotline (Illicit Discharge) - 707-234-6679


The North Coast Stormwater Coalition (Mendocino County is a member) is currently conducting a survey to gauge the public’s knowledge of stormwater and watershed issues. The NCSC uses the survey responses to help inform stormwater education and outreach activities. This NCSC ran a similar survey in 2015 (so it may look familiar to many of you).  Please take it again, even if you completed it back then. – Thank You

Manuals and Worksheets

Index of parcels subject to MS4 Ordinance.  Ukiah or Fort Bragg.
Maps of MS4 Stormwater permitting areas.  Ukiah or Fort Bragg.

Trainings and Flyers

Annual Stormwater Reports

Annual NPDES MS4 stormwater reports can be accessed using the State of California's, StormWater Multiple Application and Reporting Tracking System (SMARTS) below.

Stormwater Management Reference Materials

Helpful Stormwater Handouts





Helpful Stormwater Links


North Coast Stormwater Coalition -  The North Coast Stormwater Coalition is comprised of stormwater management staff from the participating Cities and Counties on California's north coast, as well as local, state and federal agency representatives, non-profit organizations, tribes, the CA State and Regional Water Boards, consultants, engineers, graduate students, and interested community members.

Russian River Watershed Association - The Russian River Watershed Association is a coalition of eleven cities, counties and special districts in the Russian River Watershed that have come together to coordinate regional programs for clean water, fisheries restoration and watershed enhancement.

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