Crews are responding to a tanker truck rollover and spill into Indian Creek on July 18, 2025 at 11:30 a.m. A dual-tanker ...

Two Thurston County property owners were fined $204,000 by the Washington Department of Ecology for unpermitted shoreline development along the Deschutes River near Yelm. Chuck and Austin Rogers ...

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) ...

We are considering legislation to modernize Washington’s litter tax to better reflect the types of litter found today. The current revenues generated by the litter tax cover the removal of only a ...

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

This tool can help you locate any of these sites within Washington state either in our database, or you can search visually on our interactive mapping tool. For help understanding the codes and terms ...

Ecology is responsible for overseeing state rules that implement the State Environmental Policy Act (SEPA).

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 ...