Ecology has a role in protecting water quality at forestry sites, and our analysis of the draft Forest Practices Board rule ...

Cleanup Levels and Risk Calculation (CLARC) is a compendium of technical information related to calculating cleanup levels under Washington's Cleanup Rule, the Model Toxics Control Act (MTCA) ...

To request ADA accommodation, contact Ecology's ADA Coordinator by email at [email protected], or call 360-407-6831, 711 (relay service), or 877-833-6341 (TTY). More about our accessibility ...

Join the walking tour to learn about this cleanup site on the Bellingham Bay waterfront. Ecology is currently asking for public comments on a draft cleanup action plan, agreed order, State ...

After researchers pinpointed the toxic chemical that is killing coho salmon in freshwater, we got to work, alongside several partners, to protect coho salmon.

This rulemaking is currently paused. Ecology is awaiting further direction from the Governor’s office. We are conducting rulemaking as directed by Gov. Jay Inslee. The purpose of this rulemaking is to ...

With its easily recognizable shell (the largest found on Puget Sound beaches), we are certainly over the moon for this month's critter: the Moon Snail.

State Route 112 faces numerous climate-related threats. Photo courtesy Washington State Department of Transportation. Washington’s coastlines might be considered the canary in the coal mine for the ...

The Water Supply Availability Committee is a group of experts from various state and federal agencies who meet monthly to discuss conditions affecting Washington’s water supply. According to these ...

Washington’s commitment to reducing harmful, planet-warming air pollution by electrifying transportation got another big boost last week. A waiver granted by the federal Environmental Protection ...

Washington Department of Ecology Director Casey Sixkiller issued a statement regarding the decision to pause implementation for portions of the state’s clean vehicle standards.