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Tag: operations and maintenance
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  • Albeni Falls Dam spill gate removed to mitigate flood risk

    Army Corps of Engineers officials removed a spill gate May 14, to sustain current Lake Pend Oreille elevations and mitigate lakeshore flood risk, Powerhouse flows are reduced to achieve the desired total outflow.
  • Corps of Engineers begins Grays Harbor maintenance dredging April 8

    U.S. Army Corps of Engineers hopper dredge vessels Yaquina and Essayons begin Grays Harbor outer harbor maintenance dredging, April 8. Maintenance and navigation dredging are required in harbor areas, ports, and marinas, to support the state's economy.
  • 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.
  • Army Corps modernizing Chittenden Locks’ aging equipment

    U.S. Army Corps replaces and improves small locks' mechanical, electrical and controls equipment Feb. 26, at the Hiram M. Chittenden Locks, Seattle. Phase one, part of a multiphase project, includes concrete demolition and cutting for new operating equipment and electrical runways, and should be complete Sept. 6, 2024.
  • Corps of Engineers modernizing Small Lock machinery, controls

    A major infrastructure upgrade to the nation’s busiest locks, Hiram M. Chittenden Locks, to keep them operating into the next century, is on the horizon.
  • McGlinn Island Jetty emergency repairs underway to protect endangered salmon

    U.S. Army Corps of Engineers, Seattle District. lead emergency repairs to the McGlinn Island Jetty and resident endangered salmon, near La Conner, Washington.
  • Large Lock Center Gate Replacement Project Public Information Meeting February 15

    A public meeting to inform stakeholders on the large lock center gate replacement project is scheduled for February 15, 2023, at Lake Washington Ship Canal and Hiram M. Chittenden Locks, Seattle, Washington.
  • Chittenden Locks updates large locks extended closure schedule

    Chittenden Locks large lock will be closed to all vessel traffic during specific periods in 2023 and 2024 to facilitate demolition, concrete construction, and installation and commissioning of the new miter gates. The small lock will remain open during these periods. Closure dates may change as the project schedule is finalized.
  • Chittenden Locks schedules Large Lock closures, Small Lock available

    Army Corps will begin large lock center gate repairs in 2023. Large lock will close to all vessel traffic during specified periods. Extended closures will facilitate demolition, concrete construction, and installation and commissioning of the new miter gates. Small locks will be available.
  • Chittenden Locks Large Chamber begins 16-day closure November 8

    Annual maintenance and additional gate work on large lock at Hiram M. Chittenden Locks, in Ballard, Washington, will close to all marine traffic from 6 a.m. Nov. 8, 2022 to 8 p.m. Nov. 23, 2022.