Corps to increase release levels at Gavins Point Dam

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NEAR YANKTON, SD (KTIV) – U.S. Army Corps of Engineers said they will start to increase Gavins Point Dam releases near Yankton, South Dakota starting on Wednesday morning.

Over the weekend, they lowered the releases from 70,000 cubic feet per second to 60,000 cfs, between Sioux City and Omaha, since the models indicated the reduction may prevent the flood from overtopping Interstate 29, north of Omaha.

On Wednesday, the corps will start to increase the releases by 5,000 cfs until Saturday, when they reach 80,000.

The National Weather Service said the incredible amount of rainfall received in the Missouri River Basin, since the beginning of September, has resulted in record flooding in many areas.

Now, corps officials said they’ve had to make adjustments to the release schedule, ahead of winter.

“We presently have more half the flood control storage to evacuate with just over 11 weeks left before we will have to reduce to our winter release rates. Based on present and forecasted conditions we will be holding the 80,000 cubic feet per second release for the next several weeks,” John Remus, the Chief of the Missouri River Water Management Division, US Army Corps of Engineers said.

Officials say due to the precipitation in the Missouri River Basin, the upper basin runoff forecast for 2019 is 58.8 million acre feet.

They said at this time, it’s the second-highest on record and only a couple million acre-feet less than the record of 61 million acre feet observed in 2011.


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Tia Heidebrecht

Tia Heidebrecht

KTIV Executive Producer

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