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

The Weldcraft Steel & Marine site is one of 12 Bellingham Bay cleanup sites coordinated through the Bellingham Bay Action ...

Building on the success of the earlier Chehalis Basin Work Group, the 2016 Washington Legislature created the Office of Chehalis Basin within Ecology and established the Chehalis Basin Board. Our ...

The state Water Supply Availability Committee (WSAC) monitors water supply conditions throughout the state to identify possible drought conditions as early as possible. If they determine current or ...

We estimate there are thousands of abandoned wells in Washington. If you find an abandoned well on your property, you are required to work with a licensed well driller to properly close it up, a ...

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) ...

Find a moderate risk waste disposal site in your county. Accepts: Household hazardous waste. Does not accept wastes from business unless it is a scheduled small business collection event. Check with ...

Rulemaking that has been officially filed with the Washington State Legislature’s Code Reviser’s Office (filed a CR-101 form) and are sorted by topic. Recently closed rulemakings. (closed rulemaking ...

We use funds from the Volkswagen settlement to reduce air pollution in communities affected by harmful diesel exhaust. Washington will receive $141 million from Volkswagen to settle violations of the ...

Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then ...

Projects funded by a Water Quality Program grant or loan require a review for potential impacts to environmental or cultural resources. We must consider social, cultural, economic, and environmental ...

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