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Tag: The Dalles Lock and Dam
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  • September

    Winter recreational lock schedule begins September 30 on Lower Columbia

    Motorized recreational boaters needing to pass through the three lower Columbia River dams need to do so during daylight hours only, on request, starting September 30, 2021 through May 15, 2022.
  • Out-of-season outage closes The Dalles Dam navigation lock

    An out-of-season outage will close The Dalles Dam’s navigation lock, Sept. 14-15, 2021. A specialized U.S. Army Corps of Engineers rope-access (climbing) inspection team will be performing an assessment, which is part of a required five-year cycle.
  • March

    Unexpected damage extends navigation lock outage at The Dalles Dam

    Technicians inspecting the navigation lock at The Dalles Dam found cracking in the downstream miter gate during an annual inspection March 10. U.S. Army Corps of Engineers officials believe vibration, improper sealing and gate misalignment likely caused the damage.
  • December

    Turbine at The Dalles Dam spills up to 200 gallons of oil, Corps deploys booms, skimmers and removes unit from service

    On Thursday, Dec. 3, a thrust hub cooling water pipe broke, spilling up to 200 gallons of oil into the Columbia River at The Dalles Dam. The equipment is part of a fish unit turbine designed to provide attraction water for migrating fish. The U.S. Army Corps of Engineers, Portland District is dedicated to rapid spill responses and is in the process of containing as much oil as possible. The turbine is now isolated from the river.
  • October

    Winter changes to Lower Columbia River recreational lock schedule

    Recreational boaters who need to move through the three lower Columbia River dams’ locks must do so during daylight hours, on request. This change began September 30 and will continue until May 15, 2021 at Bonneville, The Dalles and John Day. This is an annual and a regularly scheduled part of operations during the winter season.
  • December

    Corps initiates oil spill prevention protocol

    Portland, Ore. – The U.S. Army Corps of Engineers, Portland District, has initiated its oil spill prevention protocol after 192 gallons of hydraulic turbine oil discharged into the Columbia River downstream of The Dalles Lock and Dam.