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Fish Kill in Lyon County Near Inwood Caused by Cattle Runoff

  • 9/15/2016 5:15:00 PM
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INWOOD – Thursday, DNR specialists from Spencer investigated a fish kill reported about two miles north of Inwood in Lyon County.

Investigators found elevated ammonia levels and 1,354 dead chubs and minnows along two miles of an unnamed tributary of the Big Sioux River. They traced a manure discharge to a 600-head beef confinement operation owned by Jeff Kruse. Liquid manure had been pumped from a storage pit into a nearby field where it flowed overland to the stream.

The area received heavy rains this morning. The discharge has stopped.

DNR will monitor any cleanup and consider appropriate enforcement action. 

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