25 Jul 2025

Army Corps improves Libby Dam’s electrical reliability; strengthens capabilities to manage river temperatures downstream for critical aquatic ecosystem

Army Corps improves Libby Dam’s electrical reliability with installation of Generator Unit No. 6. In addition to the unit installation, Corps officials are upgrading its selective withdrawal system, aiding continued and enhanced ability to provide river temperatures downstream of the dam, critical for resident trout species, threatened bull trout and endangered Kootenai River white sturgeon.

21 Jul 2025

Army Corps upgrades Libby Dam’s aging equipment

Army Corps enhances Libby Dam's hydropower generating efficiency, reliability and performance with its Generator Step-Up Transformer rehabilitation project, July 28, 2025, to continue providing electricity to 500,000 homes.

2 Jul 2025

Army Corps begins Grays Harbor Inner Harbor maintenance dredging July 16

U.S. Army Corps of Engineers' routine maintenance dredging in Grays Harbor, Inner Harbor, Washington, is scheduled to begin July 16, 2025.

26 Jun 2025

Kootenai River Basin experiences another dry year, declining Lake Koocanusa inflows

According to U.S. Army Corps of Engineers (USACE), Seattle District, Water Management officials, 2025 is shaping up to be one of the driest years on record for Lake Koocanusa, with extremely low precipitation and a mostly depleted snowpack.

27 May 2025

Sturgeon flow augmentation at Libby Dam begins May 27

Sturgeon flow augmentation begins May 27 at Libby Dam, Montana, for endangered Kootenai River white sturgeon downstream in Idaho and British Columbia.

29 Apr 2025

Campground Closures Take Effect May 10

USACE officials announce the temporary closure of Springy Point Recreation Area and reduced services at several other USACE-managed facilities on Lake Pend Oreille and the Pend Oreille River for the upcoming summer season.

18 Apr 2025

Perimeter Wall Construction Project At Wyckoff/Eagle Harbor Begins April 18

As part of the Environmental Protection Agency’s (EPA) long-term effort to clean contaminated groundwater, soil and sediments at the Wyckoff/Eagle Harbor Superfund site, USACE replaces the deteriorated perimeter steel sheet pile wall. The project is in line with the EPA's long-term goal to improve the environmental health of Puget Sound and convert the site into a beautiful park the community can enjoy for years to come.

7 Apr 2025

Army Corps replaces Libby Dam’s intake crane equipment

U.S. Army Corps begin intake crane replacement project at Libby Dam, to enhance overall efficiency, reliability and performance of the operating project’s infrastructure.

28 Mar 2025

USACE increases outflows at Mud Mountain Dam April 1

U.S. Army Corps of Engineers will increase outflows from Mud Mountain Dam, starting April 1. The operating project has been storing more water than usual to support essential construction work at its fish passage facility located near Enumclaw, Washington.

27 Mar 2025

Army Corps announces refill date, hosts spring operations public information meetings

Army Corps of Engineers will operate Water Year 2025 at the normal summer band of 2062.0-2062.5 feet, and discuss this change, and other updates on snowpack, inflow forecasts and restricted Albeni Falls Dam spillway gate operations, during its public information meetings May 1-2, 2025.