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  • Navigation locks on Columbia, Snake rivers to close March 2 for annual maintenance

    The U.S. Army Corps of Engineers will conduct routine annual inspections, preventative maintenance and repairs at all navigation locks on the Columbia and Snake rivers March 2-17.

  • Higher Columbia River water levels possible this fall

    River levels between John Day and McNary dams could be higher during the next three months, the U.S. Army Corps of Engineers announced today. From October through December, Lake Umatilla, the section of the Columbia River above John Day Dam, will be operated in a broader and higher range. That means river users could see river levels 2.5 feet higher than in the spring and summer.

  • Corps and others continue to monitor and manage Columbia Basin river and reservoir levels

    The U.S. Army Corps of Engineers, Northwestern Division, in coordination with its Portland, Seattle, and Walla Walla Districts as well as B.C. Hydro, Bonneville Power Administration, U.S. Bureau of Reclamation, the National Weather Service’s, Northwest River Forecast Center, and others are continuing to monitor river conditions across the Columbia River Basin.

  • Corps closely monitoring Columbia Basin river and reservoir levels

    The U.S. Army Corps of Engineers is monitoring Columbia Basin flood events encompassing the Seattle, Portland and Walla Walla districts areas of responsibility on the Columbia River. Columbia Basin Water Management Division initiated emergency flood risk management protocols this week due to a Flood Warning issued by the National Weather Service for the lower Columbia River.

  • Corps gears up for transition to summer fish operations

    This month the U.S. Army Corps of Engineers will transition to summer operations for fish. Beginning on June 16, USACE will begin summer spill for fish at Bonneville, The Dalles, John Day and McNary dams while the lower Snake River dams will transition to summer spill operations on June 21.

  • Corps begins spring fish operations

    In an effort to help young fish pass the dams safely to the ocean, the U.S. Army Corps of Engineers has begun implementing its 2015 Spring Fish Operations Plan. The FOP provides for spill at the four lower Snake River and four lower Columbia River dams to facilitate the timely and safe passage of juvenile salmon and steelhead. As specified in NOAA Fisheries’ 2014 Supplemental Biological Opinion, the FOP calls for spill to begin at the lower Snake River dams April 3 and lower Columbia River dams April 10. The annual plan, prepared by USACE, is coordinated with states, Tribes, and other federal agencies in the region.