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Monday 8:30am - 5pm Tuesday 8:30am - 5pm Wednesday 8:30am - 5pm Thursday 8:30am - 5pm Friday 8:30am - 5pm

Marin Countywide Stormwater Pollution Prevention Program

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San Rafael, CA
Marin Countywide Stormwater Pollution Prevention Program

MCSTOPPP is Marin's Countywide Clean Water Program serving Marin's 11 municipalities and the county.

06/21/2026

Pest Control Tips - Whiteflies

With the warm spring days come spring flowers, and this common pest. Follows these tips to make your garden a less inviting home.

06/18/2026

Things to Know Thursdays - Know Your Watershed: Bolinas Lagoon Watershed
The 18 square mile Bolinas Lagoon watershed extends from the Pine Gulch Creek watershed to the north, downtown Bolinas to the west, a series of gulches to the east, and the Easkoot Creek watershed in Stinson Beach to the south. Pine Gulch Creek drains the largest area near Dogtown and Bolinas, including portions of Point Reyes National Seashore.

Learn more about the Bolinas Lagoon Watershed on the Streets to Creeks website at: https://www.streetstocreeks.org/bolinas-lagoon-watershed

06/14/2026

Pest Control Tips - Eco-friendly Pest Control Webinars

Want to take a deeper dive into gardening and pest control tips? You can find a host of helpful webinars on our website at the bottom of our Eco-friendly Pest Control page - https://mcstoppp.org/2020/03/eco-friendly-pest-control/

06/11/2026

Things to Know Thursdays - Take the Pet Waste Pledge!

Visit the MCSTOPPP website at https://mcstoppp.org/pet-waste-pledge/and take the Pet Waste Pledge!

Did you know there are more than nineteen thousand licensed dogs with the Marin Humane Society? That’s more than fourteen thousand pounds of dog p**p a day! To protect the water quality and the health of our families, it is important for all dog owners to pick up after their pets to keep harmful pathogens out of our creeks, bays, and the ocean.

Sign up and we'll send you a free dog bone pet waste bag holder!

06/07/2026

Pest Control Tips - Mosquitoes

As the rain dries up, these flying nuisances are looking for anywhere wet or damp to hide out and continue breeding. Remove any potential breeding habitat and enjoy your evenings in the yard more!

06/04/2026

Things to Know Thursday - Be Water Smart

Storm drains connect . And those drains don't just get used when it rains. Unfortunately, sometimes runoff from car washing and over irrigation can make it’s way to the storm drain too. That's why it's important to pay attention to where all the water from your property goes. Remember .

Over irrigation can lead to fertilizer, herbicides, and other organic material being transported to the storm drains and into our creeks. Be and keep our creeks clean. After all, they are . Learn more at www.StreetsToCreeks.org

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.

Address

1600 Los Gamos Drive, Suite 210
San Rafael, CA
94903

Opening Hours

Monday	8:30am - 5pm
Tuesday	8:30am - 5pm
Wednesday	8:30am - 5pm
Thursday	8:30am - 5pm
Friday	8:30am - 5pm

Website

http://www.mcstoppp.org/

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