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  • Spillway flows at Garrison Dam scheduled for Monday, June 17

    As releases are being increased to a targeted 46,000 cubic feet per second from the Garrison Dam, in Riverdale, North Dakota, some flows will be transferred to the spillway beginning on Monday, June 17.

  • Corps communicates basin conditions and flood response to key stakeholders

    As part of the ongoing commitment to communicate to Midwest Congressional representatives, Tribal, state and local government officials (including levee sponsors and emergency managers), the U.S. Army Corps of Engineers’ Northwestern Division hosted a call June 6 to provide an update of current runoff conditions, system storage and provide status updates from the Kansas City and Omaha Districts on flooding response and recovery.

  • Widespread rainfall leads to continued high runoff; Gavins Point releases to remain at high levels for the summer and fall

    Much-above average runoff in the upper Missouri River basin (above Sioux City, Iowa) extended into May following widespread and heavy rainfall in South Dakota and Nebraska. Additionally, widespread and heavy rainfall in the lower basin, particularly in Kansas, has led to large tributary and Missouri River flows downstream of the six main stem reservoirs on the Missouri River. May runoff in the upper basin was 8.9 million acre feet (MAF), which is 267 percent of average. The average May runoff is 3.3 MAF. May runoff was the second highest on record, only surpassed by 2011’s 9.2 MAF. Runoff in the Fort Randall Dam to Gavins Point Dam reach was 1.4 MAF, which is more than the average annual runoff for that reach.

  • Gavins Point releases will step up to 75,000 cfs this weekend

    Releases from Gavins Point Dam will increase by 5,000 cubic feet per second Saturday, June 1 to 75,000 cfs. Releases were increased to 70,000 cfs on Wednesday. “Runoff into the upper Missouri River above Sioux City has remained high, and unfortunately, the rain continues to fall in the places we don’t need it,” said John Remus, Chief of the Missouri River Basin Water Management Division.

  • Corps announces incremental release increases from Gavins Point Dam due to continued high inflows

    Releases from Gavins Point Dam will increase by 5,000 cubic feet per second today (May 28) and an additional 5,000 cfs tomorrow. Over the last seven days, rainfall over much of Nebraska, South Dakota and central North Dakota has been 200 to 600% of normal for this time of year. The continued rain has led to higher inflows at Oahe, Big Bend, Fort Randall, and Gavins Point Dams.

  • Missouri River Water Managers communicate runoff concerns to basin leaders

    "The ground is very wet, and weather patterns have been very active, just about any significant rainfall in north central Nebraska, and central and or western South Dakota will likely require an increase in releases from Gavins Point Dam in order to manage pools levels at Oahe and Fort Randall dams," said John Remus, Chief of the U.S. Army Corps of Engineers, Northwestern Division, Missouri River Basin Water Management Division.