Iowa DNR suspects farm crop duster is responsible for Medapolis fishkill


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(Florida Fish and Wildlife/Flickr)
Jenna Ladd | August 3, 2016

The Iowa Department of Natural Resources suspects that crop duster farm chemicals are responsible for killing thousands of fish in a southeast Iowa creek late last week.

A local resident near Mediapolis discovered the dead fish last Friday, July 29th and notified authorities. When investigators arrived they found a five-to-six mile stretch of the Cedar Fork Creek to be littered with slain freshwater species of all kinds including bass, catfish, crayfish, sunfish and chubs. Short sections of Flint Creek were also affected.

DNR quickly ruled out fertilizer or manure spill as potential causes. Ryan Stouder, environmental specialist with the organization says he’s confident that crop duster farm chemicals are the culprit,“The Department of Ag pesticide investigator is pretty confident it is, just off the visual signs of mineral oil in the water.” Investigators are unsure if the contamination was the result of unintentional drift or an emergency aerial dump. Water samples were collected from the scene in order to determine specific chemicals present. If a source can be identified, DNR will take appropriate enforcement measures.

The Iowa Department of Agriculture joined DNR in further investigation on August 2nd.

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