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  • September

    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.
  • May

    Corps announces summer recreational lock schedule

    Motorized recreational boaters needing to pass through the three lower Columbia River dams must follow a lock schedule taking effect May 15. Commercial vessels will continue to lock through upon arrival except during the times specified for recreational vessels.
  • March

    The Dalles lock set to open after emergency repairs

    The Dalles Lock and Dam navigation lock will return to service March 31 at 6:30 a.m. Technicians are finalizing repairs on cracking engineers found in the downstream miter gate during annual inspections. This return to service is 36 hours earlier than officials initially predicted.
  • 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.
  • Columbia and Snake river navigation locks will close March 6 for annual maintenance

    The U.S. Army Corps of Engineers’ Portland and Walla Walla districts will close all Corps navigation locks on the Columbia and Snake rivers March 6 at 6 a.m. for regularly-scheduled annual inspections, preventative maintenance and repairs.
  • November

    Corps replaces king piles, part of the “unsung heroes” of navigation

    A $2.1 million U.S. Army Corps of Engineers project to replace missing king piles, some of which have been in place since 1885. The project is part of a greater effort to repair pile dikes. In total, 68 new king pile markers sporadically from Puget Island (river mile 41) to Multnomah Falls (river mile 136) will go in.