US Army Corps of Engineers
Seattle District Website

Colonel Alexander "Xander" L. Bullock assumed command of Seattle District June 30.
The Flagship April-June 2020 issue is available to view online.
Students participating in the Northwest Oil Spill Control Course transfer from an Arrow Launch Service vessel to the M/V Puget. As part of an international cooperation to prepare for a hazardous spill response on Puget Sound, Seattle District participated in the Northwest Oil Spill Control Course hosted by the United States Coast Guard, District 13 August 26-30. (USACE photo by Brad Schultz)
When erosion threatened a National Register-eligible archaeological site on Idaho’s Pend Oreille River, a Seattle District, U.S. Army Corps of Engineers’ team went the distance to stabilize the bank and minimize construction impacts to adjacent wetland habitat.
The U.S. Army Corps of Engineers began construction on the new $112 million Mud Mountain Dam Fish Passage Facility. Kiewit Infrastructure West Company, provided this video of them diverting the White River to isolate the left bank for demolition of the existing barrier dam to begin construction of the new project.
The sun rises as seen from the Hiram M. Chittenden Locks (Ballard Locks) March 11, 2018.

Latest News Releases

Army Corps of Engineers repairing Koch Slough Fishway near Silvana
8/1/2020
Efforts to improve fish passage at the Koch Slough in Snohomish County starts today as Seattle District, U.S. Army Corps of Engineers’ officials begin repairing the fishway on the Stillaguamish River...
Federal agencies release final Columbia River System Operations environmental impact statement
7/31/2020
The U.S. Army Corps of Engineers, Bureau of Reclamation and Bonneville Power Administration today released the Columbia River System Operations Final Environmental Impact Statement. The issuance of...
Port of Tacoma receives approval for first environmental mitigation bank
7/20/2020
SEATTLE - The Upper Clear Creek Mitigation Bank is the Port of Tacoma's first mitigation bank and only the second joint wetland and fish conservation bank in Washington. The Port of Tacoma’s Upper...