US Army Corps of Engineers
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  • Gavins Point Releases Reach 90k

    Water releases from Gavins Point Dam will be increased to 90,000 cubic feet per second at 8 pm today as unregulated inflows from the Niobrara and other watersheds continue to spill into the reservoir. At the same time, Corps officials in Omaha and Kansas City are lending support and resources to state and local communities dealing with rising waters from a powerful regional storm.
  • Additional Gavins Point Releases Being Made

    Water releases from Gavins Point Dam near Yankton, S.D., have been increased to 50,000 cubic feet per second and will be increased to 60,000 cfs later today and Friday. Efforts being made to minimize downstream impacts.
  • Gavins Point Releases Increasing

    The U.S. Army Corps of Engineers is increasing releases from Gavins Point Dam today in response to increased runoff into the Missouri River above the dam. Widespread rain and snowmelt has prompted the National Weather Service to issue flood warnings from southeast South Dakota to St. Louis.
  • 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.
  • June Runoff Below Average in Missouri River Basin

    OMAHA, Neb. – June runoff in the Missouri River Basin above Sioux City, Iowa, was 4.1 million acre
  • Gavins Point Releases Reduced to Lessen Downstream Flooding

    OMAHA, Neb. – Runoff in the Missouri River Basin aboveSioux City, Iowa, was 2.6 million acre feet
  • Corps reports above normal May runoff in the Missouri River Basin; drought conditions improve in upper basin

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports May runoff in the Missouri River Basin above Sioux City, Iowa, was 3.7 million acre feet (MAF), 110 percent of normal. The 2015 runoff forecast has increased to 22.5 MAF, 89 percent of normal. Average annual runoff is 25.2 MAF.
  • Corps decreases runoff forecast due to lower than normal mountain snowpack

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division is decreasing the annual runoff forecast for the Missouri River Basin above Sioux City, Iowa, to 20.3 million acre feet (MAF), which is 80 percent of normal and 4.9 MAF less than average. The decreased forecast is due to below normal mountain snowpack and the lack of plains snow in the basin.
  • Corps invites public to Missouri River operations meetings

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division will hold five public meetings in early April to update stakeholders on current hydrologic conditions and the planned operation of the Mainstem Reservoir System.
  • February runoff higher, but 2015 Missouri River forecast still slightly below normal

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports runoff in the Missouri River Basin above Sioux City, Iowa was 2 million acre feet (MAF) during February, 186 percent of normal. The increased runoff was caused by above normal temperatures in the upper Missouri Basin that limited river ice build-up, and melted both plains and low elevation mountain snows. However, the 2015 runoff forecast in the same reach is 24.6 MAF, 97 percent of normal, and the March runoff forecast is about 1 MAF less than in February.