State officials plan to kill off fish in Iowa's Elm Lake - KWWL - Eastern Iowa Breaking News, Weather, Closings

State officials plan to kill off fish in Iowa's Elm Lake

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(AP) -

Officials with the Iowa Department of Natural Resources are planning to kill off the fish in a northern Iowa lake in an effort to eliminate common carp and improve water quality.

Getting rid of the carp will mean killing off all the fish in Elm Lake, located about five miles northeast of Clarion.

Department wildlife biologist TJ Herrick says the 460-acre shallow lake currently has an algae problem exacerbated by the excessive number of carp.

Herrick says they are muddying the waters by eating beneficial aquatic plants.

Herrick says the process of poisoning the lake's fish likely won't begin until late 2017.

He says the lake would be repopulated with yellow perch and northern pike the following spring.

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