Best Management Practices


As a business owner or operator, you are responsible for keeping pollutants generated at you business and all the way around your property from entering the storm drain system. Business owners and operators, you can do your part too! Click here for information on best management practices at your business and place of work.

Remember chlorine harms fish and other wildlife. Drain chlorinated swimming pool and spa water into the sewer or, if possible, straight to vegetated landscape areas. Click here for more information on draining pools and spas. 

Remember, only rain, down the storm drain, and nothing else! 

Check out the following information on best management practices at your business and place of work. You’ll find information on the Do’s and Don’ts of operating your business to protect water quality, business activities that can generate pollution, and resources available to you!

Storm Pollution at Work

Do you have questions or need someone to visit your business to perform a waste audit or assist with implementation of an on-site recycling program? Please call the Sonoma County Waste Management Agency, Eco-Desk at (707) 565-3375 for more information.

Small Quantity Hazardous Waste Generator
Sonoma County Recycling
Services are available for businesses that qualify as Conditionally Exempt Small Quantity Generators per regulations (CR Title 22 §66260.10). which are businesses that generate 100 kilograms (27 gallons liquid or 220 pounds solid) or hazardous waste per month. The Sonoma County Waste Management Agency offer the Toxics Collections. Go to the webpage for specific dates and forms.

Sonoma Green Business Program
The Sonoma Green Business Program is a partnership of government agencies and utilities that assist, recognize, and promote local organizations, focusing on small-to-medium sized consumer-oriented businesses that volunteer to operate in more environmentally responsible ways. To be certified, participants must be in compliance with environmental regulations and meet program standards for conserving resources, preventing pollution, and minimizing waste.

Recycling for your Business
For recycling information for your business, visit the Sonoma County Waste Management Agency website by clicking the link above.


Did you know that the soap and oil that goes down the storm drain when you wash your car is harmful to water quality and to the fish and other life in the creeks? And the pesticides you spray on your yard, if sprayed right before a rain can wash off and kill beneficial insects in the creeks?  Please click here for a flyer about pollutants typical for a home and yard.

Want more info about pollution prevention? Do-it-yourselfers or homeowners click here to find information on how to prevent pollution when conducting a variety of activities.Prevent Pollution-Home

Remember, only rain, down the storm drain!

The Town of Windsor would like to direct homeowners like you to a website where you can find important information on how to prevent storm water pollution at home. Please click on the link above for information on how to prevent pollution when conducting a variety of activities including:

  • Maintaining Your Car (Keep the oil out of the gutter!)
  • Painting
  • Car washing (Yes, soapy and oily water is a pollutant.)
  • Draining your swimming pool (Chlorine harms aquatic life.)
  • Home Improvement (concrete waste, barbeques, job site Clean-up, and Power Washing)
  • And more!

Wanting to plant a new more drought-tolerant, eco-friendly lawn? Consider instead drought tolerant lawn substitutes and how to care for the plants or your existing lawn. 

For more help implementing these measures or if you have any questions about storm water, contact your Town of Windsor Storm Water Coordinator at (707) 838-5385 or email us at to report spills and leaks which could impact the storm drain system. You can callus to report a spill or illegal discharge at the following numbers: 

Windsor Public Works

(707) 838-1006 - 7 a.m.-6 p.m. M-Th
(707) 838-1000 - 24 hours per day.