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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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.
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.
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.
Construction underway at Swift Creek
Whatcom County Public Works is constructing sediment traps to remove asbestos from Swift Creek.
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.
Join us Nov. 8 and 9 to learn how you might be impacted by lead and arsenic in your soil
We are hosting two public meetings in central Washington on lead and arsenate in former orchard lands.
Cleaning up: Two Lower Duwamish sites move forward with cleanup
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.
Unidos: Inclusivity for a Stronger Nation
We're embracing this year’s theme of Inclusivity for a Stronger Nation. During Latinx and Hispanic Heritage Month, we're sharing our team's achievements and contributions to protect the environment.
Blue Heron Slough to provide critical habitat to salmon
The Blue Heron Slough project is restoring 353 acres of Snohomish River estuary habitat, which will benefit Chinook salmon and in turn, aid recovery of southern resident orcas in Puget Sound.
Two sites in King County move forward on environmental cleanup for affordable housing
Two cleanup sites in King County slated for redevelopment into affordable housing are both reaching key cleanup milestones this summer, and we’re inviting the public to comment.