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Contamination cleanup

Contamination cleanup helps restore habitat for wildlife, provides new opportunities for recreation, and protects people’s health by removing toxic chemicals from the environment.
Contamination cleanup helps restore habitat for wildlife, provides new opportunities for recreation, and protects people’s health by removing toxic chemicals from the environment.

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Looking back and looking forward on our beach monitoring season

Every summer we monitor beaches for fecal bacteria to protect beachgoers. Read our 2023 BEACH Program report and send us feedback on the proposed list of beaches that will be monitored in 2024.

What You Can Do
West Point Treatment Plant water quality permit now issued

We've now issued the final permit for the West Point wastewater treatment plant in Seattle. It strengthens protective measures for Puget Sound with updates that match current water quality rules.

What We Do
Cleaning up: PFAS contamination in the Lower Issaquah Valley

We invite you to comment on legal agreements and associated documents for the Lower Issaquah Valley PFAS cleanup sites.

What You Can Do
When pee is pollution

Puget Sound communities, Ecology, and our partners are working to reduce the amount of nutrient pollution in Puget Sound.  

What We Do
Cleaning up: Pasco Landfill entering the final phase

The final phase of cleanup began at the Pasco Landfill. Contaminated soil in Zone A that remains after removing about 35,000 drums of hazardous waste will be treated.

What We Do
Getting clean drinking water to the Lower Yakima Valley

We're partnering with local and state agencies to reduce nitrate contamination in the Lower Yakima Valley. Here's what you need to know if your well is impacted.

What We Do
Actualización del proyecto de Área de Gestión de Aguas Subterráneas

El agua que sale de su grifo debe ser potable y apta para cocinar. Por desgracia, esto no es así para algunos usuarios de pozos privados del valle bajo de Yakima.

What We Do
Changing weather, changing water – it's time to look out for harmful algal blooms

It’s time to watch for harmful algal blooms! The only way to know for sure if toxins are present is through laboratory testing. Read on to learn more.

Science
The scoop on monitoring for marine beach poop

View our safe swimming map for summer beach advisories and closures. Help us keep poop off the beach.

Alerts
New paper about Contaminants of Emerging Concern in wastewater

New review paper gathers studies about Contaminants of Emerging Concern (CECs) entering Washington water

What We Do

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