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As Central Washington grows, former orchard lands with potential lead and arsenic contamination are being developed into housing. We’ve convened a working group to help us find solutions.

Our Spills Program responds to spill emergencies, inspects chemical storage facilities, and cleans up a range of contaminated sites across Washington. Responder Sam Hunn gives us an inside look.

Romans added lead to many products, ranging from makeup and contraception to cookware and in the early 1900s, lead arsenate was the most widely used pesticide in the U.S.

We've issued a Director's Determination, giving the U.S. Department of Energy 30 days to meet our information requirements.

A pair of street corners in Southeast Seattle may not look like much right now, but they're already a first-of-its-kind cleanup site for Ecology.

The Sumas Mountain landslide is a slow slide that has clogged and flooded Swift Creek for decades. A few years ago it was found to contain naturally-occurring asbestos and metals.

Walking tours of a cleanup-site help the Bellingham community get involved in the transformation of the central waterfront.

Old gas stations and shuttered industrial facilities can sit empty, possibly contaminated, for years. Our Brownfields Program can help put them back to use, like it did in Palouse. 

During his summer internship with Ecology's Nuclear Waste Program, Tri-Cities native Isaac Leggett expanded his knowledge about Hanford beyond anything he'd learned growing up in the area.

The Tacoma Smelter Plume Model Remedies Guidance provides straightforward directions on soil sampling and cleanup of soil contaminated with arsenic and lead.