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  • Missouri Basin runoff near average; Corps sets fall public meeting dates

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports runoff in the Missouri River Basin above Sioux City, Iowa, for August was 1.5 million acre feet (MAF), 108 percent of normal. The 2015 runoff forecast is 25.0 MAF, 99 percent of average. Average annual runoff is 25.2 MAF. System storage peaked in early July at 61.9 MAF, occupying 36 percent of the available flood storage.

  • Missouri River runoff below normal in July

    Runoff in the Missouri River Basin above Sioux City, Iowa, for the month of July was 2.7 million acre feet (MAF), 81 percent of normal. The 2015 runoff forecast is 25.0 MAF, 99 percent of normal. Average annual runoff is 25.2 MAF. The total volume of water stored in the Mainstem Reservoir System is currently 61.3 MAF, occupying 5.2 MAF of the 16.3 MAF combined flood control storage zones. System storage peaked on July 9 at 61.9 MAF and is gradually declining. The water currently stored in the annual flood control zone will be released during the remainder of the year to serve navigation, water supply and other downstream purposes and will be completely evacuated prior to the start of next year’s runoff season.

  • October runoff in the upper Missouri River Basin is second highest on record; Draft AOP public comment period closes Nov. 15

    Omaha, Neb. — October runoff into the Missouri River basin above Sioux City, Iowa, was 2.8 million

  • Corps continues drought conservation measures Draft Annual Operating Plan available for comment

    Omaha, Neb. — Despite two months of higher than normal precipitation in portions of the upper