Contamination cleanup

Contamination cleanup helps restore habitat for wildlife, provides new opportunities for recreation, and protects people’s health by removing toxic chemicals from the environment.
Contamination cleanup helps restore habitat for wildlife, provides new opportunities for recreation, and protects people’s health by removing toxic chemicals from the environment.

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Legacy Pesticides Working Group update
The Legacy Pesticide Working Group is still working to find solutions to lead and arsenic contamination on former orchard lands. Find out the latest.
Keeping the Legacy Pesticide Working Group moving forward
The Legacy Pesticide Working Group is addressing lead and arsenic contamination on historic orchard lands in Central WA. We have transitioned to a small-group format with virtual meetings for now.
New investments save dynamic coastal wetland habitat
In 2020, we secured seven National Coastal Wetlands Conservation grants worth $5 million to restore nearly 500 acres of coastal wetlands in Washington.
Tacoma Smelter Plume
In 2020, we plan on replacing soil in 58 yards in the Yard Program service area. In January we started on a group of six yards and three childcares.
Our role in finding chemicals in Puget Sound
We are contributing National Estuary Program funding in a new partnership with UW Tacoma researchers to learn more about pollution in the Puget Sound.
What do you do when the polluter is a mountain?
For decades, a slow-moving landslide has been exposing the side of Sumas Mountain. The landslide material contains naturally-occurring asbestos and heavy metals — and it all ends up in Swift Creek.
Cleaning Kendall Yards
A bygone legacy of steam engines. From an abandoned, contaminated site to shops and housing: the cleanup story of the West Spokane Railyard.
New permit for wineries helps protect water quality

We have worked together with the Washington's wineries to develop the first statewide water quality permit for wineries.

Tacoma Smelter Plume Yard Program

Through our Residential Yard Sampling and Cleanup Program, we're cleaning up and replacing soil in 14 yards and a community park in the southern end of Vashon-Maury Island.

Secrets of the dead: Using dead-shell assemblages to reconstruct past conditions at the bottom of Puget Sound
Scientists from our Marine Sediment Monitoring Team have teamed up with peers from the University of Chicago to learn the history of life under Puget Sound