The US Army Corps of Engineers, Walla Walla District operates dams, plans projects, provides engineering services, coordinates emergency management efforts and provides administrative and logistical support in teh Walla Walla District. The Walla Walla District owns and operates five multipurpose hydropower projects including locks, dams and all their related operational and recreation facilities in Washington, Oregon and Idaho. The company provides total generating capacity of 4,413 megawatts to the Federal Columbia River Power System. The company also operates and maintains the federal navigation channel from McNary Dam on the Columbia River. The other services provide by the company include flood control, disaster assistance, wildlife habitat management, and water-related recreation facilities. The company is headquartered at Walla Walla, Washigton, the US.

The company was founded in 1948. In April 2009, The US Army Corps of Engineers made an initial award on a contract valued in total, including options, up to $90 million over a 5-year period to an Atlanta, Ga., company to provide architect-engineering (A-E) services across the country.