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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133 results.

Expedited rulemaking to amend state floodplain rules

Ecology using state expedited rulemaking process to amend state floodplain management rules

Cleaning up: Setting the stage for new affordable housing in Seattle’s Capitol Hill neighborhood

Comment on a legal agreement with DESC to clean up three Seattle properties for redevelopment into affordable housing

Cleaning up: Studies of Treoil site now available for comment

We’ve completed our studies of the remaining contamination at the Treoil Industries site and the options for cleaning it up, and we invite your comments.

Nooksack adjudication update

30,000 water users in the Nooksack area should soon receive the adjudication  claim forms via certified mail.

Fighting fires – and air pollution

Grants from Ecology helped fund Washington's first electric fire truck, which was recently unveiled by the City of Redmond. 

Ecology issues final water quality permit for Everett’s Water Pollution Control Facility

We've issued the final water quality permit for Everett's Water Pollution Control Facility, which will go in effect on Jan. 1, 2025.

Cleaning up: Fieldwork starting in the Duwamish Waterway Park

Fieldwork to answer questions about the type and extent of contamination at Seattle's Duwamish Waterway Park slated for November

Cleaning up: Join the conversation on the Boeing Isaacson Thompson cleanup site

The Boeing Isaacson Thompson site is undergoing significant remediation as part of the broader Lower Duwamish Waterway cleanup initiative. 

Two Seattle sites to be cleaned up for affordable housing

We invite you to comment on cleanup site documents and attend two open houses for the Morningside Acres and L Auto Repair cleanup sites in Seattle, which will be developed into affordable housing, 

New grant program aims to restore, protect Puget Sound riparian areas

We are launching new grant program to make Puget Sound riparian areas more resilient to climate change.