Officials hope to decrease outflow at Coralville dam by weekend

Minimal rain over the weekend temporarily eased flooding concerns

Published: June 10 2013 | 11:03 am - Updated: 28 March 2014 | 4:23 pm in

The Army Corps of Engineers hopes to decrease outflows at the Coralville Reservoir as soon as this weekend, weather permitting.

According to a press release from the Johnson County Emergency Management Agency, minimal rain over the weekend which only amounted to about 1/10 of an inch of rain had very little impact on the Iowa River Basin which has temporarily eased flooding concerns.

Though the reservoir currently sits at just over 706 feet above sea level, six feet below the spillway, there is a possibility of overnight showers that could amount to 1 to 2 inches of rain north of Interstate 80.

If precipitation permits, Jim Stiman, chief of water control for the corps, said they plan to decrease outflow at the reservoir to 14,000 cubic feet per second on June 15. On June 16, they hope to decrease the outflow and hold it at and 10,000 cfs.

As of Monday morning, Sand Road SE from 560th Street to Highway 22 and Amana Road between Blain Cemetery and Highway 965 had re-opened. Amana Road remains closed between Falcon and Blain Cemetery, the release said. The road that goes across the Coralville dam and access to Tailwater East and Cottonwood campgrounds will re-open tomorrow around noon.

The release said FEMA's preliminary damage assessment team, which will help the Governor determine whether the state can handle the damage costs, is in the area this week.

 

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