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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Comment period extended for environmental review of Chehalis flood reduction project
The public is invited to participate in an online public hearing April 2 & online public meeting April 21 to comment on draft environmental review for proposed Chehalis River flood reduction project.
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. 

January floods deluge Chehalis River basin
After major floods inundated the Chehalis River basin in January, we assessed how some flood-damage reduction projects fared.
Reducing flood risks in our communities
Modern flood management strives to restore a floodplain’s natural flood capacity, protecting lives and homes while also benefiting fish and wildlife. Several state and federal grant programs can help.
Environmental restoration grants reach across state
We are awarding nearly $640,000 to fund 15 projects that will significantly improve water quality and the environment statewide.
Nisqually Tribe wins award for restoration work near Eatonville
Nisqually Tribe wins award for restoration work near Eatonville along Busy Wild Creek and the Mashel River.
Tacoma Smelter Plume: Model Remedies Guidance gets an update

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

New Tacoma park emerges from Superfund site

Dune Peninsula at Point Defiance offers walking paths, an amphitheater, and Puget Sound views on land that was once the ASARCO smelter slag heap.

Ready for summer!
Halfway through this year of pandemic and upheaval, summer brings much to do — and appreciate.
From military training to public parks at Camp Bonneville
Camp Bonneville trained soldiers from 1910 to 1995, through both world wars, and the Korean, Vietnam, and Gulf wars. After 25 years munitions cleanup is complete and plans for a park are underway.