3 Aug 2026

Dworshak Dam to increase flows to support temperature stabilization

AHSAHKA, Idaho – Dworshak Dam water releases will gradually increase starting tonight, rising from approximately 8,700 cubic feet per second to 13,000 cfs by Friday, August 7.

9 Dec 2025

Public crossing at Little Goose Dam closed Dec. 15 - 24

STARBUCK, Wash. – Public crossing at the U.S. Army Corps of Engineers’ Little Goose Lock and Dam will be closed from Dec. 15 - 24 for maintenance.

17 Oct 2024

Lower Monumental Dam closes public dam crossing October 28 through November 7

KAHLOTUS, Wash. – Officials at Lower Monumental Lock and Dam will be closing public dam crossings October 28 through November 7 for crane removal and maintenance.

16 Apr 2024

Lower Monumental Dam closes public dam crossing April 16 through 18

KAHLOTUS, Wash. – Officials at Lower Monumental Lock and Dam will be closing public dam crossings April 16 through 18 to perform maintenance.

1 Apr 2024

Walla Walla District reopens navigation locks after extended outage; completes work on multiple BIL-funded projects

COLUMBIA & SNAKE RIVERS, Ore. & Wash. – The U.S. Army Corps of Engineers Walla Walla District reopened navigation locks on the Columbia and Snake rivers on March 29 after an eleven-week outage. This extended outage allowed the district to perform routine maintenance and to replace aged equipment to reduce the risk of asset failure.

13 Mar 2024

Lower Monumental Dam closes public dam crossing March 18 through 21

KAHLOTUS, Wash. – Officials at Lower Monumental Lock and Dam will be closing public dam crossings March 18 through 21 to perform maintenance.

16 Feb 2024

Public crossing at Little Goose Dam limited through Feb. 25

STARBUCK, Wash. – Public crossing at Little Goose Lock and Dam will be limited to passenger vehicles only (no trailers) until Feb. 25.

11 Dec 2023

23-058 Lower Monumental Dam closes public dam crossing Dec. 18 through 21 to perform maintenance

Kahlotus, Wash. – Officials at Lower Monumental Lock and Dam will be closing public dam crossings Dec. 18 through 21 to perform maintenance.

28 Nov 2023

23-055 Public crossing at Little Goose Dam limited Dec. 4 through 15

STARBUCK, Wash. – Public crossing at Little Goose Lock and Dam will be limited to local farmers and ranchers between Dec. 4 and 15. Normal public crossing will be closed.

17 Nov 2023

23-053 Public crossing at Lower Monumental Dam may experience delays Nov. 27 through Dec. 7

Kahlotus, Wash. – Individuals crossing Lower Monumental Lock and Dam between Nov. 27 and Dec. may experience delays up to one hour while officials perform maintenance.