US Army Corps of Engineers
Walla Walla District Website

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.
Lt. Col. Richard T. Childers assumed command of the U.S. Army Corps of Engineers, Walla Walla District, during a 10 a.m. ceremony held in Walla Walla, Washington, today.
The Walla Walla District, has released drafts of the revised Lower Monumental and Little Goose Project Master Plans, each with an accompanying draft Finding of No Significant Impact (FONSI) and Environmental Assessment (EA). The public comment period will run from July 20 to Aug. 21.
The U.S. Army Corps of Engineers’ Walla Walla District (Corps) will be performing numerous construction projects at Mill Creek over the summer.
The Corps, in cooperation with our natural resource management partners, is extending the public comment period for the draft FONSI and the EA for the Lake View Recreation Trail at Lucky Peak Dam and Lake, Boise, Idaho. The 30-day comment period is being extended an additional 60 days from June 22 through August 20.
The Walla Walla District constructs, operates, maintains, and secures multipurpose infrastructure to energize the economy, reduce flood risk, and serve as stewards of water resources for the Snake River Basin and the Nation.

News Releases

Lucky Peak Reservoir pool to begin lowering on August 17
8/5/2020
BOISE, Idaho -- The U.S. Army Corps of Engineers and the Bureau of Reclamation will begin lowering the pool elevation of Lucky Peak Reservoir on Monday, August 17. The lowering of Lucky Peak Reservoir...
20-042 Corps to manage invasive reed canary grass with herbicides on Aug. 6 and 7
8/4/2020
Walla Walla, WA -- The U.S. Army Corps of Engineers’ Walla Walla District (Corps) will be treating the invasive plant species, reed canary grass, in Yellowhawk Creek and Garrison Creek on August 6 and...
20-041 Diffuser block rehabilitation to result in trail closures at Rooks Park
7/31/2020
Walla Walla, WA -- The U.S. Army Corps of Engineers’ Walla Walla District (Corps) will be rehabilitating the diffuser blocks at the base of the diversion dam at Rooks Park beginning August 3,...
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...