Share & Bookmark, Press Enter to show all options, press Tab go to next option

Click this link to access Chapter 16.30 - Stormwater Runoff Pollution Prevention Procedure of the Mendocino County Code



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

Notice an illicit discharge / pollutants along a roadway and/or entering the County storm drain system? Call the Complaint Hotline. Pollutants may include: oil, wastewater, litter, sediment, or any unknown material. Be prepared with your name, date of incident/activity observed, address/location of the activity, and a description of the incident/activity observed. Please refer to the following Illicit Discharge Tracking Sheet used by Code Enforcement personnel to log the complaint to see what information you will be asked to provide.

If hazardous materials appear to be present and/or the incident/activity is observed after 5pm or on the weekend, call 911, the Mendocino County Sheriff’s Office, or Howard Forest Incident Command.

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. Please note, SMARTS works best with the Microsoft Edge browser.

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.

Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Download Acrobat Reader Windows Media Player Download Windows Media Player Word Viewer Download Word Viewer Excel Viewer Download Excel Viewer PowerPoint Viewer Download PowerPoint Viewer