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Our Commitments

Trending

Help shape our efforts to update state shoreline rules

Improving air quality and a landfill in Okanogan County

Learn how to secure your load for safer roads
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News

Rocks along the shoreline of Puget Sound near Ruston

Ecology proposes permit updates for Puget Sound wastewater treatment plants

New incentives for clean aviation, heavy-duty trucking proposed in updates to Clean Fuel Standard

Toxics at home, work, or play?

New rules proposed to balance growth and preserve water for fish in five western Washington watersheds

Director Casey Sixkiller on federal threats to Washington’s clean vehicle transition

Ecology shares plan to clean up Puget Sound nutrient pollution

Washington’s recent climate auction results show continued stability

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Public Input & Events

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Webinar

June 24, 2025, 5:30 p.m. - Online

WRIA 1 Adjudication Webinar
Do you have questions about filing your court claim form? Join us for our June webinar.
Water supply
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Comment period

ends July 3, 2025

Clean Vehicles Program Rulemaking – Ecology is considering amendments to Chapter 173-423 WAC, the Clean Vehicles Program rule. You're invited to review and provide comments.
Climate change
More public input & events