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  • 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.

  • Dry conditions could cause low Lake Washington levels

    U.S. Army Corps of Engineers officials anticipate low inflows to Lake Washington this summer and are taking steps to conserve water to reduce the likelihood of the lake level dropping below 20.0 feet.

  • 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.

  • U.S. Army Corps of Engineers encourages use of Regulatory Request System for an improved permitting experience

    Last year the U.S. Army Corps of Engineers introduced its new Regulatory Request System (RRS), an online application portal that allows the public to submit permit applications and other information when requesting permission to dredge, fill or conduct activities in jurisdictional wetlands and waters of the U.S.

  • 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.

  • Army Corps targets earlier refill for Lake Washington

    U.S. Army Corps of Engineers officials advise private and commercial interests along Lake Washington Ship Canal and in Lakes Washington and Union to expect earlier high water than in previous years. Vessel owners should closely monitor lake elevations and adjust mooring as necessary.

  • 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.

  • 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.

  • 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.