Marin Countywide Stormwater Pollution Prevention Program

05/31/2026

Pest Control Tips - Mulch

Keep your plants happy, reduce weeds, and help retain moisture by adding a layer of mulch!

05/28/2026

Things to Know Thursdays - Car Washing

Never let soapy water run into the gutter. Even natural biodegradable soap can make birds and animals sick and can be deadly to fish and amphibians in our creeks. The better solution is to take your car to the car wash where the dirty, soapy water goes to the wastewater treatment plant but if you do wash your car at home, divert the soapy wash water to a vegetated area where it can soak in and pour the remaining soapy water from the bucket down the sink.

Remember, storm drains connect , so only . Our creeks, bays, and wildlife are !

05/24/2026

Pest Control Tips - Water Wise Gardening

Check out these 10 tips to reduce your water bill while getting your garden through our long, hot summers!

05/21/2026

Things to Know Thursdays - Prevent Poo-lution in our Parks and Open Space

We are very fortunate to have so many pristine Marin County Parks and Open Space Preserves to enjoy! Do your part to keep them that way by always picking it up and packing it out.

05/19/2026

05/17/2026

Pest Control Tips - Gophers

If you live in areas where gophers are abundant, help your plants, shrubs, and trees get off to a good start by putting them in a basket.

05/14/2026

Things to Know Thursdays - Resources for Residents

You can find a wide variety of resources on how to prevent stormwater pollution while doing projects around the home. Check out our Public Resources page at: https://mcstoppp.org/2020/03/public-resources/ to find tips on everything from Boating and Car Care, to Painting, Pets, and Swimming Pools.

05/10/2026

Pest Control Tips - Citrus Leafminer

It's that time of year to start keeping an eye out for these pests. Healthy citrus relies on proper care and monitoring.

05/07/2026

Things to Know Thursdays - Resources for Construction Projects

As the rains give way to warm spring weather, construction activity is picking up. We have lots of useful resources that will assist construction contractors, engineers, property owners, and municipal staff in preventing stormwater pollution at active construction site. See more on our Construction Projects page at https://mcstoppp.org/2020/03/construction-projects/

Marin's creeks and bays are ! Remember because pollution can flow from .