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Storm Drain Stenciling

“Do not dump—drains to Casco Bay”

Our Storm Drain Stenciling Project is a hands-on way for you to “take to the streets” and create greater awareness about the need to reduce stormwater pollution in our communities. We lend our stenciling kits with supporting outreach materials to community groups at no charge. Become a local advocate for reducing pollution by painting “DO NOT DUMP” messages near storm drains. You will be helping us connect your neighborhood with the Bay.

You can learn more about joining us as a volunteer here.


Why stencil storm drains?

Kids Storm Drain Stenciling
Stenciling storm drains is a great community service project. Photo from Friends School of Portland

Storm drains are a tempting place for some in our community to dump dangerous pollutants. A cigarette butt or pet waste thrown into one storm drain may seem like a small thing. But small actions add up, and Casco Bay suffers from the cumulative effects of these small injuries. When people pour hazardous wastes, such as household cleaners, unused paint, paint thinner, used oil, and lawn care chemicals, down a storm drain, they don’t realize that they may be dumping pollutants directly into the Bay.

Our Storm Drain Stenciling program lets people know where the stuff they dump down the drain actually goes!

Water washed down city streets during rain or snow melt flows into storm drains. Some of these drains empty directly into Casco Bay. Other storm drains are connected to the same pipes that carry household wastewater (including sewage) from bathrooms, sinks, and kitchens to a wastewater treatment plant. Even if these products reach the sewage treatment facility, the treatment process may not be able to remove the hazardous components.

Our Storm Drain Stenciling Kits offer the perfect hands-on activity for youth groups, scout troops, team-building exercises, and corporate volunteers days.

To borrow our Storm Drain Stenciling Kits, fill out our form.


Storm Drain Stenciling Kit Request

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Learn more about Storm Drain Stenciling and Stormwater:

July 26—The Day the Poop Hit the Bay

October 16, 2018

On July 26, 1.69 million gallons of partially-treated wastewater overflowed from Portland’s East End Sewage Treatment Facility into Casco Bay. This story made the news and captured our attention. That same day, 9.85 million gallons of combined sewer overflows (CSOs), containing raw sewage and toxic chemicals, also entered the Bay.… Read more

Out and About with the Casco Baykeeper

June 22, 2018

As always, Casco Baykeeper Ivy Frignoca has been on the move, working across Casco Bay, the state—and the nation—on efforts to protect the environmental health of Casco Bay. A peek into her appointment calendar shows some of the highlights so far this year, as she continued to track Legislative issues… Read more

After a rainstorm, millions of gallons of polluted stormwater pour into Casco Bay.

Stormwater: the Largest Source of Pollution into Casco Bay

October 12, 2017

MS4. Unless you are a civil engineer or a municipal public works director charged with dealing with discharge permits, you may not know that “MS4” stands for municipal separate storm sewer systems (called MS4 because “s” is repeated four times). An MS4 is a system of storm drains, pipes, or… Read more

Luke’s Lobster & Allagash team up with us for a Back Cove Cleanup on May 11, 2019

April 24, 2019

This event is limited to 60 participants, and we have reached that limit. Please consider signing up as a volunteer here: https://www.cascobay.org/about-us/volunteer. Can you think of a better combination than lobster, beer, and the Bay? On Saturday, May 11, Friends of Casco Bay, Luke’s Lobster, and Allagash Brewing are teaming… Read more

Storm Drain Stenciling

Friends of Casco Bay Volunteers Take to the Streets—and the Beach

October 12, 2017

This past summer, volunteers undertook several community service projects to help keep Casco Bay clean. Thank you to TD Green Team, the Leadership Development Program at Windsor Mountain Summer Camp, IDEXX, and Yelp for cleaning up our coastline. Thank you to Bowdoin Women’s lacrosse team, RBC, and Mark Edwards and… Read more