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  • Water managers begin spring spill to benefit juvenile salmon

    Federal water managers will begin spilling hundreds of thousands of gallons of water over spillways instead of through turbines during annual “spring spill” operations at U.S. Army Corps of Engineers’ dams on the lower Snake and Columbia rivers.
  • Spring Spill begins facilitating fish passage at Snake and Columbia river dams

    Federal water managers have begun the annual spill of water past hydroelectric dams on the Columbia and Snake rivers to help juvenile salmon and steelhead migrate to the ocean this spring. The spill began April 3 on the lower Snake River and April 10 on the lower Columbia River. Spill for juvenile fish passage helps reduce the proportion of juvenile fish that pass dams through the turbines and helps reduce passage delay at each dam, thereby shortening their travel time through the Snake and Columbia rivers.
  • Corps begins flexible spring spill operations to benefit fish and hydropower

    The U.S. Army Corps of Engineers began implementing its 2020 Fish Operations Plan at the four lower Snake River dams April 3 and at the lower Columbia River dams April 10.
  • Corps begins spring fish operations

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