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Army Corps to Increase Coralville Dam Flow
IOWA CITY, IA (CBS2/FOX28) The U.S. Army Corps of Engineers will begin increasing the amount of water released from the Coralville Lake Reservoir on Monday.
The Corps will gradually increase the outflow on the Iowa River from a current rate of 7,000 cubic feet per second (CFS) to an anticipated level of 10,000 CFS on July 1st. This outflow will remain in effect until further notice.
It is a positive step that the Corps is working to control the water level at this early stage, said Johnson County Emergency Management Coordinator Dave Wilson. In light of the heavy rain and immediate forecast, there has been concern about the water level at the reservoir.
At the 10,000 CFS outflow level, Iowa City City Park and some low-lying areas are affected throughout Johnson County. At 11,500 CFS one or more lanes on Dubuque Street near Mayflower Dorm start to be impacted. Those downstream from the Coralville Reservoir can monitor changes at www.rivergages.com.
Johnson County rural unincorporated residents in need of sand bags can pick them up for free near the west gate at Johnson County Secondary Roads at 4810 Melrose Avenue in western Iowa City.
Emergency Management will continue to monitor weather conditions and water levels in order to assist emergency response throughout the county.