14 Jul 2025

Corps of Engineers enacting fire restrictions at Tri-Rivers recreation sites

WALLA WALLA, Wash.– Due to increasingly hot and dry conditions, the U.S. Army Corps of Engineers is enacting fire restrictions on USACE-managed lands under the Tri-Rivers Natural Resource Management Office.

10 Jul 2025

Public crossing at Lower Monumental Dam closed July 24 through Aug. 7

KAHLOTUS, Wash.– Public crossing at the U.S. Army Corps of Engineers’ Lower Monumental Lock and Dam will be closed from July 24 - Aug. 7 due to staffing constraints.

25 Jun 2025

Dworshak Dam to increase releases beginning June 25th

AHSAHKA, Idaho – Dworshak Dam releases will increase from 3,200 cubic feet per second (cfs) on Thursday, June 26, to 10,000 cfs by Sunday, June 29, for flow augmentation.

17 Jun 2025

USACE awards street replacement contract at McNary: construction to begin this summer

UMATILLA, Ore. – On June 6, the U.S. Army Corps of Engineers, Walla Walla District awarded a $2 million construction contract to MacNak Construction LLC. to reconstruct portions of 3rd Street and Scaplehorn Road near McNary Lock and Dam.

3 Jun 2025

Little Goose Dam navigation lock temporarily closed

STARBUCK, Wash. – The U.S. Army Corps of Engineers, Walla Walla District, has temporarily closed the navigation lock at Little Goose Lock and Dam following an incident on the evening of June 2, involving a non-government vehicle on the facility’s bascule bridge.

22 May 2025

Mill Creek Low Flow Project prompts closures at Mill Creek and Bennington Lake

WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District is resuming work on the Mill Creek Low Flow Channel Project, requiring public safety closures around Mill Creek and Bennington Lake from June 5 through Nov. 30.

19 May 2025

USACE approves discharge permit for Stibnite Gold Mine

BOISE, Idaho – The U.S. Army Corps of Engineers’ Walla Walla District has approved a permit for Perpetua Resources Idaho Inc. to discharge dredged or fill material into waters of the United States during construction of the Stibnite Gold Project in Idaho, following a review under the Clean Water Act.

16 May 2025

Dworshak Dam reduces public tour schedule

AHSAHKA, Idaho – The U.S. Army Corps of Engineers at Dworshak Dam announced a reduction in the number of scheduled public tours, effective immediately.

16 May 2025

Fencing to be installed at McNary Levee pump stations

PASCO, Wash. – Beginning the week of May 19, NorthBank Civil and Marine, Inc., a contractor working with the U.S. Army Corps of Engineers, Walla Walla District will install security fencing around Pump Stations 12-1 and 12-1A near A Street in Pasco.

5 May 2025

USACE urges boater safety at navigation locks

WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District is reminding boaters to exercise caution near navigation locks following several recent incidents involving recreational boats operating near district locks.