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 truck overturned ito Indian Creek of U.S. Highway 101 in Clallam County. Photo ...

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

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 ...

The draft permit we proposed to reissue to Woodland Wastewater Treatment Plant authorizes the discharge of treated wastewater into the Lewis River. You can view the documents at Woodland Wastewater ...

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) ...

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 ...

With great enthusiasm, 19 community-based organizations partnered with Ecology and King County to distribute thousands of ...

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.

The Refrigerant Management Program (RMP) requires facilities with refrigeration and air conditioning systems containing more than 50 pounds of refrigerant with a GWP of 150 or more to conduct and ...

Ecology proposes to revise Chapter 173-337 WAC: Safer Products Restrictions and Reporting to adopt restrictions and reporting requirements related to the intentional use of per- and polyfluoroalkyl ...

We’re proposing restrictions to make cosmetic products safer and we need your feedback. Our proposed rule—Chapter 173-339 WAC—restricts formaldehyde and formaldehyde releasers intentionally used in ...