The Iowa Department of Natural Resources says high water temperature is to blame for a recent fish kill in southeast Iowa.
Nearly 58,000 dead fish were counted in a 42-mile section of the Des Moines River, with an estimated value of more than $10.1 million.
Mark Flammang, a DNR fisheries biologist that investigated the kill, attributed the event to water temperature.
“You just don’t see rivers at 97 degrees, and it was 97 degrees at every site that we sampled,” Flammang said. “I’ve never seen water at that temperature in Iowa.”
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