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.

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 enforce Washington's regulations on toxic chemicals in products, educate the public about these chemicals, and develop policies to reduce or eliminate the use of toxic chemicals whenever possible.

The State Fiscal Year 2027 Draft Offer List is now available. Submit comments from Jan. 29, 2026 12 a.m. to Feb. 28, 2026 at 5 p.m. on our online comment form. Final funding offers will be made July ...

See our flyers, point-of-sale signs, social media graphics and other resources promoting Washignton's bag ban, including materials translated into 18 languages. Report a violation of the bag ban ...

As the state’s lead agency managing litter programs, we operate youth and adult litter pickup crews and provide funding for litter pickup and prevention to state and local governments. We also oversee ...

Commercial and industrial businesses that emit large amounts of air pollution must get an air operating permit. An air operating permit is a master document that lists all of the air pollution ...

Water conservancy boards may provide a faster option for processing your application for change or transfer of a water right. Available in many areas of the state, water conservancy boards process ...

We accredit labs that analyze wastewater in wastewater treatment plants and industrial facilities. Over the years, our auditing team has developed resources for these labs to use. If you are a ...