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  • Army Corps announces fall drawdown elevation targets for Lake Pend Oreille

    U.S. Army Corps of Engineers announces Lake Pend Oreille elevation targets for the upcoming fall 2025 drawdown, and plans to host a public meeting Oct. 7, 2025, to provide the latest updates on water management, the spillway gate replacement project, invasive species management and Springy Point Recreation area.  

  • Army Corps begins Quillayute River maintenance dredging Sept. 1

    U.S. Army Corps of Engineers' routine maintenance dredging in Quillayute River’s inner and outer navigation channels situated on the Olympic Peninsula in Washington, will begin Sept. 1, 2025. The 24/7 dredging operations, expected to be completed by Feb. 28, 2026, will make it safer for local boaters to navigate.

  • Libby Dam Celebrates 50 Years: Public Invited to Commemoration Aug. 23

    The U.S. Army Corps of Engineers celebrates 50 years of operations during the commemoration of the dedication of Libby Dam, Aug. 23, 2025. The commemoration features a memorial unveiling, an Open House at the Visitor Center and the rare opportunity to walk across the top of the dam and capture an unparalleled view of Lake Koocanusa and surrounding landscape.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.