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  • 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.

  • Corps of Engineers begins Grays Harbor maintenance dredging April 8

    USACE's hopper dredge vessels, Yaquina and Essayons, begin Grays Harbor outer harbor maintenance dredging April 8. The maintenance navigation dredging is required in the harbor area, whose deep draft channel is 350 feet wide increasing to 1,000 feet over the bar, to support Washington State's economy that relies on navigation and commerce.

  • Army Corps refilling Lake Washington for summer

    U.S. Army Corps of Engineers officials began Lake Washington’s annual summer refill operations Feb. 15. Water managers are targeting a typical annual refill of the lake to elevation 22 feet this spring, to help meet increased summer water use and provide water necessary for fish passage, navigation and salinity control.