Map illustration of USACE-owned and managed dams in Seattle District. The district’s inventory of dams has multiple purposes including flood risk management, hydropower, navigation, water supply, river flow augmentation for fish, fish passage and recreation.

USACE and Fairchild Air Force Base leaders joined together during a May 9, 2025 groundbreaking for the new $48 million Consolidated Base Flight Operations Facility. When complete, it will serve as a central hub for more than a dozen Active, Guard and Reserve organizations to support the installation’s aerial refueling mission and operational readiness for years to come.

Image of map showing recreational areas under the authority of the Albeni Falls Dam project. USACE officials announce temporary closures and reduced services at several USACE-managed facilities on Lake Pend Oreille and the Pend Oreille River for the upcoming summer season. Closures take effect May 10, 2025, and will remain in place until further notice.

The USACE Seattle District team of some 900 employees manage nearly $1 billion of combined civil, military and environmental restoration projects throughout a mixed service area in Washington, Idaho, Montana and Oregon. Our diverse water resource and engineering missions provide solutions for our local communities, the Pacific Northwest and Nation.

Photo of Chief Joseph Dam, located in Bridgeport, Washington, the largest hydropower-producing dam operated by USACE. The single powerhouse is over a third of a mile long and holds 27 house-sized turbines. The dam alone produces enough power to supply the entire Seattle metropolitan area. Bonneville Power Administration Power markets the power the operating project produces.

Leaders from the U.S. Army Corps of Engineers - Seattle District toured the weapons storage and maintenance facility at Malmstrom Airforce Base, Montana, Aug. 20, 2024. Sanborn returned to the project after attending the ceremonial groundbreaking ceremony in March 2024. With the project nearing 100,000 exposure hours with zero loss time, safety has been the top priority for the district and employees of the construction site. That’s a testament to our safety culture.