Southwest Region

Ecology has four regional offices. TheSouthwest region includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties.
Ecology has four regional offices. TheSouthwest region includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties.

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Tacoma Smelter Plume Yard Program progress

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.

Tacoma Smelter Plume: Reduced services for residents

Because a state capital budget was not approved, we must cut back on the services we offer to the residents of the Tacoma Smelter Plume area.

Tacoma Smelter Plume: 2016 Yard Program Construction Update

September marks the fast approaching arrival of fall, and a halfway point for this season’s Yard Program work in the Tacoma Smelter Plume. 

Tacoma Smelter Plume: Recap of Tacoma Public Meetings

Last week Ecology held two public meetings on the progress of the Tacoma Smelter Plume project. Over 50 people came out to learn about yard sampling and cleanup in Tacoma neighborhoods.

Port Gamble Bay update – by the numbers

Get ready to say goodbye to the final, large sign of the lumbermill and sawmill that operated on Port Gamble Bay for more than 140 years.

Grounded at Ocean Shores: Ecology’s response to the Tamara

Details on the grounding and recovery of the fishing vessel Tamara. 

Cleaning Up: How dredging is cleaning up Ridgefield’s Lake River
This year, Ecology and the Port of Ridgefield have been using advanced cleanup techniques to remove pollution at the Pacific WoodTreating cleanup site.
Cleaning Up: Work underway at Ridgefield’s Carty Lake and Lake River
The Port of Ridgefield is cleaning up contamination at the Pacific Wood Treating site.
Around the Sound: Rayonier Mill cleanup on schedule
The Rayonier Mill cleanup is on schedule.
Cleaning Up: Schedule updated for Shelton’s Goose Lake cleanup site
The Goose Lake site is contaminated with wastes from Rayonier's old pulp mill that once operated in Shelton next to Oakland Bay.