Gavins Point Dam outflow to increasemissouri-news.org
by: Tim Sampson
June 22, 2011
JEFFERSON CITY, Mo. — The U.S. Army Corps of Engineers is about to increase the flow of the Missouri River downstream from its Gavins Point Dam. The corps late Tuesday afternoon published data showing that the Gavins Point Dam will increase its output to 160,000 cubic feet per second (cfs) from its current 150,000 cfs by Thursday. Hydrologic data shows that upstream reservoirs are still taking in more water than dams are able to release. The corps’ data shows the 160,000 cfs rate will continue through at least the 15th of July. The Gavins Point Dam near Yankton, South Dakota is the last of the “upstream” dams on the Missouri River that control levels in reservoirs used for flood control.
The previous record for releases from Gavins Point prior to this flood was 70,000 cfs. Monday, the Corps’ commanding officer in the Missouri River Basin, Brig. General John McMahon called increasing out flow from the Gavins Point Dam “a worst case scenario.”
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