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Dam releases to counter rising Missouri River

BISMARCK -- The Missouri River will rise another foot and a half near Bismarck this week as the U.S. Army Corps of Engineers again steps up releases from the Garrison Dam, which is cresting 7.25 feet below 2011 flood levels.

Water released will go from 44,000 cubic feet per second to 52,000 cfs over the next three days, reaching the 52,000 cfs rate on Wednesday and continuing at this rate into early July. That is equal to 388,987 gallons per second. The increase is due to continued rapid snowpack melt and rainfall runoff.

The river stage near Bismarck will go from 10.5 feet to about 12 feet. The last time the river reached this stage was Jan. 23, 2012, when it crested at 12.08 feet, according to the National Weather Service.

On July 1, 2011, during that summer’s historic flood, the river crested at 19.25 feet.

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