The City's owns and maintains a storm drain system that discharges into local creeks which ultimately goes into the Russian River. Under the Federal Clean Water Act and State and local regulations, the City and its businesses and residents are to protect and enhance the water quality of watercourses by reducing pollutants in storm water discharges to the maximum extent practicable and by prohibiting non storm water discharges to the storm drain system.
Report Non-Storm Water Discharges:
- During Business Hours
- After Hours
Do you recognize this creek? Is it near your home? It is the Laguna De Santa Rosa!! We have a new look for our storm water logo and great information for the residents in Cotati and Sonoma County! Storm drains connect the streets to creeks! To help residents like yourself get more familiar with how the storm drains at your home flows directly into our beautiful creeks, see below how simple tasks you do can improve the vitality and health of those creeks. Our creeks are Ours to Protect. Some of the biggest things you can do to help protect Cotati's creeks is practice these simple tasks:
- Pet Waste - Scoop the poop! On a walk, at the dog park, and in your backyard- that's important too! Sure it's the neighborly thing to do, but did you know that pet waste contains bacteria? If it's not scooped and disposed of properly water can carry the bacteria into a nearby storm drain that flows into your neighborhood creek and potentially harm local fish species.
- Yard Care - Timing is everything. Check the weather and your watering schedule. Runoff from rain and irrigation can wash chlorine, excess fertilizer, herbicides, compost and leaf debris into the storm drain. This material can clog the storm drain system and have a negative impact on your neighborhood creek.
- Car Washing - If you're able to, take your car to your local car wash. Treat yourself and protect the environment at the same time! Professional car washes are prepared and capture and treat or recycle wash water. If you wash at home, divert water to where it can soak into the ground, like your front lawn! Use a bucket and empty your soapy wash water into your sink, not the storm drain. Detergents and soaps from your wash water that make their way down the gutter into the storm drain end up in the creek and can harm aquatic vegetation and wildlife.
- Trash - Lend a hand, and pick it up! Wind and water can carry trash from the street, into a nearby storm drain. This trash then continues to travel from the creek, into the Russian River, and finally ending up in the ocean; harming local wildlife or polluting our local swimming holes.
- 2022-2023 Municipal Storm Water Annual Report
- 2023 Low Impact Development Training Flyer
- BMP Quick Reference Cards Combined (PDF)
- Cotati 2020 to 2021 MS4 Annual Report (PDF)
- Cotati Powerwash Brochure (PDF)
- MS4 and Trash Amend Update PPT Cotati 2018 CAS (PDF)
- NON to SW BMPs Plan October 2015 (PDF)
- Storm Emergency FAQs (PDF)
- Storm Water (MS4) Permit (PDF)
- Streets to Creeks (PDF)
- What is the Storm Water Protection Business Assistance Program?
The City of Cotati has partnered with the Russian River Watershed Association (RRWA) to provide businesses with information regarding common pollutants and the activities that can potentially release them into the environment. This information can be found at this link: Common Pollutants Guide and Commercial Best Management Practices.
The Public Works Department is available to assist anyone that has questions about the city's storm water system and storm water permit requirements contact the Public Works Department at 707-665-4238 or email Jon Caldwell.
View the Pollution Prevention page.
- What are the New Development Storm Water Requirements?
The City shares the same National Pollutant Discharge Elimination System (NPDES) Storm Water Permit with the cities of Santa Rosa, Cloverdale, Healdsburg, Rohnert Park, Sebastopol, Ukiah, the Town of Windsor, the County of Sonoma, and the Sonoma County Water Agency. These agencies have developed similar policies, procedures and guidelines in implementing their respective Storm Water Programs. Two such guide documents are the Low Impact Development Technical Design Manual and the Sonoma Water Flood Management Design. These manuals are to be followed by developments to comply with the City's Storm Water NPDES Permit and to be consistent with hydrologic analysis and flood design approaches and methods for the this region.
- What is the Russian River Watershed Association?
The City of Cotati is a member of the Russian River Watershed Association, which is an association of cities, the Sonoma County Water Agency, and the County of Sonoma for the betterment of water quality in the Russian River Watershed.