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Pollution prevention

Ecology works with businesses to ensure chemicals are properly stored, waste is safely disposed of, and safer, less-toxic materials are used whenever possible.
Ecology works with businesses to ensure chemicals are properly stored, waste is safely disposed of, and safer, less-toxic materials are used whenever possible.

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Calling all kids! Help Ecology design a clean water coloring book

Earth Day coloring book design contest for K-12 students: design pages showing solutions to pollution. Winning art will appear in Ecology’s clean water coloring book for Earth Day 2026!

What You Can Do
How consumer products in Washington got safer in 2025

New PFAS rules took effect in 2025, making consumer products safer in Washington. See how Ecology is reducing pollution at its source and what comes next.

What We Do
Collaborating across borders

A transboundary workgroup is collaborating to improve water quality in the Nooksack River watershed. Due to those efforts, Portage Bay shellfish beds are open more often to harvesting.

What We Do
Inside the effort to save Indian Creek

On the morning of July 18, a dual-tanker truck carrying thousands of gallons of gasoline and diesel left the roadway on U.S. Highway 101 and overturned into Indian Creek. 

What We Do
Lower Yakima Valley nitrates in drinking water

Ecology is working with other state and local government agencies to reduce nitrate contamination so everyone in the Lower Yakima Valley has clean, safe drinking water. 

What We Do
State launches disposal program for toxic firefighting foams

Ecology's AFFF disposal program will collect and safely dispose of toxic "forever chemcials" from fire departments across the state.

What We Do
Drayton Harbor’s bacteria problem

Help shape our plan to reduce bacteria in Drayton Harbor. Comment Aug. 21-Sept. 26, 2025, to protect shellfish, recreation, and community health.

What We Do
Chilly refrigerants contribute disproportionately to warming the Earth

The Refrigerant Management Program is part of a suite of climate policies that work together to cut carbon pollution and limit the damage climate change is causing our environment and our economy.  

What We Do
Talleres de reparación de autos en Washington obtienen desengrasantes más limpios y seguros con fondos estatales

Instalaciones que usen desengrasantes a base de solvente pueden aplicar para un reembolso para cambiar a desengrasantes más seguros. 

What You Can Do
Washington businesses and undergraduates benefit from pollution prevention internships

The Washington Applied Sustainability Internship (WASI) program pairs college students with businesses to help achieve pollution prevention goals. Business applications are due February 19, 2025.

What You Can Do

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