US Army Corps of Engineers
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  • Corps begins spring spill operations with new flexibility to benefit fish and hydropower

    The U.S. Army Corps of Engineers will begin implementing its 2019 Fish Operations Plan at the four lower Snake River dams April 3, and at the lower Columbia River dams April 10. The 2019 plan includes spill and transport operations for the spring and summer juvenile fish passage seasons at these dams, as specified in the NOAA Fisheries 2019 Columbia River System Biological Opinion.
  • 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.
  • 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 of engineers updates region on basin conditions

    he U.S. Army Corps of Engineers continues to monitor snowpack levels across the Columbia River Basin. “Currently, levels are well below normal for this time of year, so we’re seeing lower than normal river flows throughout the system,” said Steve Barton, Chief of the Corps’ Water Management Division. Basin snow below 5,000 feet in the United States is either already gone or is melting ahead of normal.
  • 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.
  • Corps begins spring fish operations

    Portland, Ore. — Today, the U.S. Army Corps of Engineers (Corps) began implementing its 2014 Spring