Natural Conditions Caused Fish Kill in SE Iowa
DES MOINES, Iowa (AP) — State officials say natural conditions caused a fill kill at Lake Odessa in southeast Iowa.
The Iowa Department of Natural Resources says a rise is water temperature is probably to blame.
The agency investigated after a homeowner found dead fish on the shoreline of the lake in Louisa County last weekend. Officials checked the lake in Monday, finding dead fish along a 3-mile stretch.
Most of the dead fish were gizzard shad, which are sensitive to temperature changes.
Officials say Lake Odessa is a river backwater with water levels that fluctuate with the Mississippi River. Biologists say backwaters are typically shallow and dry up during the summer.
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