The Iowa Department of Natural Resources is investigating fish kills in Johnson and Keokuk Counties. The first happened in German Creek near Sigourney. The DNR says workers saw fish trying to leap out of the water, which indicates a toxic substance in the stream. That evening they found dead catfish, bluegills and minnows. They say initial water samples show low levels of ammonia. DNR says another kill happened in the Picayune creek near Kalona. A specialist found high levels of ammonia after a property owner reported manure odors late Tuesday night. Dead Suckers, Chubs and Minnows were found. The state agency says the investigations are ongoing.
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