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After two years of testing drinking water wells in the Lower Yakima Valley, Ecology has found no evidence of dioxin contamination. Our results provide reassuring data about drinking water safety.

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

Ecology launched new Spanish-language outreach in Federal Way last month.

With the groundbreaking for a new four-story, 174-room hotel and conference center to be built along Wenatchee's waterfront area, the city is transforming blighted properties into economic assets.

Lead and arsenic still remain in the soils of former orchard lands, and exposure can create health risks. Learn how to keep you and your family safe.

To address soil contamination left behind by the former Asarco smelter, we're breaking ground, removing dirt, and cleaning up 39 yards in North Tacoma and 16 yards on Vashon-Maury Island.

In a big win for the Colville Tribes and Washington, the U.S. Supreme Court declined to hear a landmark environmental case this week.

Ecology's Toxics Cleanup Program is updating Washington's Cleanup Rule and we're recruiting an advisory group to help.

Our year-long efforts with stakeholders resulted in the draft Model Remedies for Cleanup of Former Orchard Properties.

This fall, we have two sites near the Lower Duwamish Waterway that are reaching different stages of the cleanup process, and we’re asking for your input.