Walla Walla District News Releases

USACE Walla Walla District welcomes new commander

Press Operations — Thu, 16 Jul 2026 17:00:00 GMT

WALLA WALLA, Wash. – Lt. Col. Kathryn A. Werback relinquished command of the U.S. Army Corps of Engineers, Walla Walla District, to Lt. Col. Douglas D. Droesch, during a change of command ceremony held in Walla Walla, Washington, July 15.

USACE urges boating safety near dams

Press Operations — Thu, 09 Jul 2026 21:55:00 GMT

WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District reminds boaters to stay clear of boat restricted zones near dams after a disabled recreational boat drifted into the restricted area near McNary Lock and Dam on Monday, July 6.

USACE to treat Osprey Point for invasive flowering rush

Press Operations — Thu, 09 Jul 2026 17:03:18 GMT

PASCO, Wash. – The U.S. Army Corps of Engineers, Walla Walla District will treat invasive flowering rush at Osprey Point in Pasco, Washington, using the herbicide Aquastrike (active ingredients: Diquat and Endothall).

Public crossing at Lower Monumental Lock and Dam closed starting July 13

Press Operations — Mon, 06 Jul 2026 20:55:11 GMT

KAHLOTUS, Wash. – The public crossing at the U.S. Army Corps of Engineers’ Lower Monumental Lock and Dam will be closed July 13 through July 23.

USACE Walla Walla District highlights recreation benefits, announces 2026 fee-free days

Press Operations — Thu, 11 Jun 2026 22:18:05 GMT

WALLA WALLA, Wash. – From eastern Washington to northeastern Oregon and Idaho, the U.S. Army Corps of Engineers, Walla Walla District is proud to connect communities with the great outdoors. While the district works daily on critical water and energy infrastructure, it also manages more than 37 recreation areas. Welcoming millions of visitors each year, these public lands support local tourism and promote healthy, active lifestyles by offering:

Dworshak Dam to increase releases starting June 5

Press Operations — Thu, 04 Jun 2026 22:32:00 GMT

AHSAHKA, Idaho –Dworshak Dam releases will gradually increase from approximately 1,700 cubic feet per second to 6,400 cfs by the evening of Sunday, June 7.

Public crossing at Lower Monumental Lock and Dam closed on May 12

Press Operations — Fri, 01 May 2026 21:08:44 GMT

KAHLOTUS, Wash. – The public crossing at the U.S. Army Corps of Engineers’ Lower Monumental Lock and Dam will be closed May 12 for maintenance.

Increased Boise River flows anticipated this spring for flood risk management

Press Operations — Tue, 14 Apr 2026 18:48:43 GMT

BOISE, Idaho — The U.S. Army Corps of Engineers will begin flood risk management releases from its Boise River reservoirs starting Wednesday, April 15.

U.S. Army Corps of Engineers temporarily closes Rooks Park

Press Operations — Thu, 02 Apr 2026 21:48:36 GMT

WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District has temporarily closed Rooks Park, located at the Mill Creek Project, effective immediately through April 15.

Dworshak Announces Recreation Area Openings

Press Operations — Tue, 31 Mar 2026 20:49:52 GMT

AHSAHKA, Idaho – The U.S. Army Corps of Engineers has reopened several recreation areas at Dworshak Dam and Reservoir that were temporarily closed for public safety following recent flooding and mudslides

Dworshak Dam Increases Releases for Flood Risk Management

Press Operations — Wed, 25 Mar 2026 22:48:44 GMT

AHSAHKA, Idaho – Dworshak Dam is increasing flood risk management releases from approximately 12,900 cubic feet per second (cfs) to 14,900 cfs. This is necessary to manage space for the upcoming spring runoff due to higher-than-average inflows and a high reservoir level.

U.S. Army Corps of Engineers Announces Alcohol Ban at Illia Dunes

Press Operations — Tue, 24 Mar 2026 17:30:00 GMT

CLARKSTON, Wash. – The U.S. Army Corps of Engineers’ Walla Walla District has banned alcohol at the Illia Dunes Recreation Area on Lake Bryan to curb alcohol-related safety hazards.

U.S. Army Corps of Engineers to manage nuisance wildlife on Lewiston Levee

Press Operations — Mon, 23 Mar 2026 23:09:13 GMT

CLARKSTON, Wash. – The U.S. Army Corps of Engineers’ Walla Walla District, in collaboration with the Idaho Department of Fish and Game, has contracted with the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service to begin control measures for burrowing rodents and other nuisance wildlife along the Lewiston Levee.

Dworshak Dam closes some recreation areas for public safety

Press Operations — Wed, 18 Mar 2026 15:48:00 GMT

AHSAHKA, Idaho – The U.S. Army Corps of Engineers has temporarily closed several recreation areas at Dworshak Dam and Reservoir due to flooding and mudslides.

Mill Creek diverting flows into Bennington Lake during atmospheric river

Press Operations — Fri, 13 Mar 2026 21:23:00 GMT

WALLA WALLA, Wash. – The U.S. Army Corps of Engineers Walla Walla District began diverting water from Mill Creek into Bennington Lake at approximately 11:50 a.m. today as flows increased due to rainfall and snowmelt in the basin.

Flood-risk management releases from Lucky Peak Dam expected soon

Press Operations — Fri, 13 Mar 2026 19:30:14 GMT

BOISE, Idaho — The U.S. Army Corps of Engineers, Walla Walla District, anticipates starting flood-risk management releases from Lucky Peak Dam as early as Thursday, March 26.

USACE to host Boise River Flood Risk Management Information session at Lucky Peak Dam

Press Operations — Mon, 09 Mar 2026 19:52:00 GMT

BOISE, Idaho — The U.S. Army Corps of Engineers, Walla Walla District, invites members of the public and media to attend an informational event at Lucky Peak Dam to learn how the Boise River system helps reduce flood risk for communities across the Treasure Valley. The event will take place at 10 a.m. Wednesday, March 11, at the Lucky Peak Dam Viewpoint site, ahead of Idaho’s Flood Awareness Week, observed March 15-21.

Lower Granite Lock and Dam Visitor Center operations update

Press Operations — Mon, 23 Feb 2026 21:47:46 GMT

POMEROY, Wash. – The U.S. Army Corps of Engineers, Walla Walla District invites the public to visit the Lower Granite Lock and Dam Visitor Center, open daily from 8:30 a.m. to 4:30 p.m.

Army’s Civil Works program’s “Build Infrastructure, Not Paperwork” initiative drives Walla Walla District hydropower and navigation modernization

Press Operations — Mon, 23 Feb 2026 19:41:00 GMT

WALLA WALLA, Wash. – Today, Assistant Secretary of the Army for Civil Works Adam R. Telle announced a major initiative, “Building Infrastructure, Not Paperwork,” for the Army’s Civil Works program.

Public crossing at Little Goose Dam closed Feb. 17 - 19

Press Operations — Thu, 12 Feb 2026 22:36:00 GMT

STARBUCK, Wash. – Public crossing at the U.S. Army Corps of Engineers’ Little Goose Lock and Dam will be closed Feb. 17-19 for annual debris removal and maintenance.