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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Earth Day at home – celebrate what makes Washington great (and our birthday!)
Washington's beauty is timeless, and personal choices to protect that beauty must be renewed every day.
EPA plan for Washington and Oregon rivers leaves salmon in hot water
We're submitting our comments on EPA temperature TMDL for the Columbia and Snake rivers.
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.

How an oil spill can lead to salmon habitat
Grants are available for environmental enhancement and restoration work. Apply now!
Sept. 28 webinar focuses on Skookumchuck Dam assessment
The Skookumchuck Dam is over 50 years old, and the power plant it was built to serve is shutting down. Join us for a discussion on the possible futures for the dam.
Improving resilience and hazard planning for coastal communities
New report outlines how coastal communities and Tribes can work together to plan for and respond to coastal hazards.
Ecology seeking contacts for statewide wetland mapping inventory project
We're starting a statewide survey to inventory wetland maps and mapping efforts in Washington.
It’s Air Quality Awareness Week:
May 4-8 is the 14th annual Air Quality Awareness Week. This year’s theme is “Better Air, Better Health.”
Federal grant moves Aberdeen levee project forward
City of Aberdeen receives $50 million federal grant and $17 million in state funding to help fund North Shore Levee project.
Washington’s water supply outlook
Because of a May heatwave, state watersheds lost almost half their snowpack in just 18 days. Now summer river forecasts in some watersheds predict low flows.