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Cleaning up

In Washington, we've identified over 13,000 contaminated sites in need of cleanup and over 7,000 of those sites have been cleaned up using Washington State’s environmental cleanup law — the Model Toxics Control Act.
In Washington, we've identified over 13,000 contaminated sites in need of cleanup and over 7,000 of those sites have been cleaned up using Washington State’s environmental cleanup law — the Model Toxics Control Act.

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The Maddux pilot project
Watch our new video about The Maddux pilot project, where our Toxics Cleanup Program staff talk about cleaning up contaminated sites for affordable housing in Seattle’s Mount Baker neighborhood.
What We Do
We want your input: investigating contamination at the Anderson Landfill in Yakima
We're investigating contamination at the Anderson Landfill. Your feedback is a critical part of the process. Comment on our investigation by March 30, or attend our virtual public meeting on March 15.
What You Can Do
Comment period extended for new PFAS cleanup guidance
Comment period new PFAS Cleanup Guidance extended through Fri., March 3. The guidance is intended for people involved in cleaning up contaminated properties.
What You Can Do
Cleaning Up: Getting ready to clean up Duwamish Waterway Park
We invite you to comment on our legal agreement with Seattle Parks and Recreation to clean up Duwamish Waterway Park in Seattle's South Park neighborhood.
What You Can Do
The trash-climate connection: what you need to know
We are taking steps to protect our climate by reducing methane emissions from landfills. But what is methane, and how is it connected to our trash and our climate?
What We Do
It’s World Wetlands Day!
Feb. 2 is World Wetlands Day, and we are celebrating the work our agency has done to support the conservation and restoration of Washington state’s wetlands.
What You Can Do
Cleaning up: Making progress in downtown Bothell
Since 2006, we’ve worked with the City of Bothell on contamination cleanup in their downtown. We’ve reached several milestones, including proposing removal of environmental covenants at three sites.
What You Can Do
Cleaning up: Skykomish cleanup moving forward
We invite you to provide comments on the town of Skykomish cleanup documents and attend an online public meeting on Nov. 28, 2022.
What We Do
Construction underway at Swift Creek
Whatcom County Public Works is constructing sediment traps to remove asbestos from Swift Creek.
What We Do
Cleaning up: In-water cleanup moving forward at Seattle’s iconic Gas Works Park
Cleanup of Gas Works Park in Seattle is moving forward. We invite you to comment on two environmental cleanup documents and attend a public meeting.
What We Do

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