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

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 ...

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 ...

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

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 ...

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 ...

City of Ferndale SMP amendment Joint public comment period and hearing June 25, 2025, 5 a.m. - July 25, 2025, 5 p.m. PT The City of Ferndale and Ecology are seeking comment on the city's shoreline ...