Northwest Region

Ecology has four regional offices. The Northwest region includes Island, King, Kitsap, San Juan, Skagit, Snohomish and Whatcom counties.
Ecology has four regional offices. The Northwest region includes Island, King, Kitsap, San Juan, Skagit, Snohomish and Whatcom counties.

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117 results.

Cleaning up: Fieldwork continues on Bellingham’s working waterfront

The Central Waterfront site of the Bellingham Bay cleanup is on course for cleanup construction to begin in 2026. This month, we begin a round of fieldwork to fill out the details of the cleanup.

Lower Duwamish Waterway reaches cleanup milestone

We’ve made solid progress on controlling sources of pollution in one reach of the Lower Duwamish Waterway. Ecology is recommending EPA proceed with cleanup at all but one sediment area.

Cleaning up: Early cleanup work continues at historic hospital site in Sedro-Woolley

We’re revising one of the early cleanup actions at the Northern State Hospital site in Sedro-Woolley, and we’d like your input.

Looking for water right documents?

We've streamlined how we post water right documents and decisions. Our new online portal has most documents in one location for each of our four regions  

Cleaning up: Cleanup of shoreline and sediment moving forward for Seattle’s Gas Works Park

We're holding a public meeting about a cleanup action plan for the sediments around Gas Works Park in Seattle.

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.
Headed out on your boat? Pump out your sewage, don't let it float!
Planning some time on your boat as summer kicks off? Here’s the last of our water-related reminders: don’t empty your boat’s holding tank into Puget Sound or inland waters.
Cleaning up: Dawn Food Products site moves closer to cleanup
We’re signing a legal agreement with a new property owner to investigate and clean up the contamination at the Dawn Food Products site in Seattle’s Georgetown neighborhood, and we’d like your input.
Cleaning up: Two sites in Blaine Harbor move forward
We invite public comments on two cleanup sites in Blaine Harbor, May 22 - July 5.
Cleaning up: TECT Aerospace cleanup in Everett is getting started
We’re in the early stages of cleaning up the TECT Aerospace site in Everett, and we’d like your feedback on the initial documents that will guide the cleanup and how the public will be involved.