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Welcome to the Department of Ecology

We're proud to protect, preserve, and enhance Washington's environment for current and future generations.

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Burn only dry, seasoned wood to cut down on smoke & maximize heat

Every day, our work helps protect orcas & their habitat

Compliance questions about COVID-19 impacts? We have answers
Learn more about Ecology

News

Dark water covered with green algae and lily pads

Improving our permit that helps lake managers control aquatic plants and algae

Cut costs with Ecology's Lean/Green Program

Pilchuck River watershed needs cool pools and more shade

Proposal to apply biosolids at five Lewis County sites now open to public review

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Public Input & Events

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Comment period

ends Nov. 30, 2020

Nov. 30, 2020, 11:55 p.m. – Statewide

Nov. 30, 2020, 11:55 p.m. – Statewide & online

Nov. 30, 2020, 11:55 p.m. – Statewide

Nov. 30, 2020, 11:55 p.m. – Statewide

Nov. 30, 2020, 11:55 p.m. – Statewide

Nov. 30, 2020, 11:55 p.m. – Online

Wetland Mitigation Guidance - Please share your comments with us on draft guidance on activities affecting wetlands
Shoreline & coastal management
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Webinar

ends Nov. 18, 2020

Nov. 18, 2020, 6 p.m. – Online webinar

Nov. 18, 2020, 6 p.m. – Online webinar & online

Nov. 18, 2020, 6 p.m. – Online webinar

Nov. 18, 2020, 6 p.m. – Online webinar

Nov. 18, 2020, 6 p.m. – Online webinar

Nov. 18, 2020, 6 p.m. – Online

Draft PFAS Chemical Action Plan - Join us to learn more about, and comment on, our proposed recommendations
Business waste
More public input & events