We are leading a geothermal collaborative process to support Washington’s transition to clean energy. This effort is bringing together the public, local governments, Tribes, state agencies, utilities ...

For at least the past year, Seattle Barrel Company has failed to implement safe management of their dangerous waste, despite multiple attempts by staff from the Washington Department of Ecology to ...

Two years into using the new SIte Hazard Assessment and Ranking Process, we've assessed over 1,400 sites. Watch our progress and compare sites with an interactive dashboard.

We established a special Coastal Hazards Organizational Resilience Team, or COHORT, to help boost the ability of coastal communities and Tribes to thrive in the present, adapt to challenges and ...

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

We plan to hold public meetings to provide information about the rulemaking and seek your input. We'll update this page with meeting specifics. To get updates about these meetings and this rulemaking, ...

We adopted changes to chapter 173-201A Water Quality Standards for Surface Waters of the State of Washington. In response to nominations we received in 2021, and after considering public comments and ...

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 ...

This Earth Day, we are hosting a coloring book design contest for kids across Washington. Students will learn about how to help prevent pollution and design coloring book pages with this in mind. This ...

Tugboats. Street sweepers. Freight switchers. Ambulances. Box trucks. All of these vehicles typically run on diesel engines that produce harmful exhaust. But there is cleaner technology available, and ...

Lewis’ Moon Snail with its dark brown, hard operculum. Courtesy of Linda Schroeder—PNW Shell Club. With its easily recognizable shell (the largest found on Puget Sound beaches), we are certainly over ...