DNR investigating fish kill near Dyersville - KWWL - Eastern Iowa Breaking News, Weather, Closings

DNR investigating fish kill near Dyersville

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DYERSVILLE (KWWL) -

DNR staff from the Manchester field office spent yesterday and today looking for the source of a fish kill on Hickory and Hewitt Creeks in Dubuque County. 

The search started at the Highway 136 bridge in Dyersville, where DNR staff then followed dead fish upstream for about five miles to an unnamed tributary of Hickory Creek. DNR believe the likely source of the fish kill is manure washed into the stream from an animal feeding operation in the upper part of the watershed. They are estimating that thousands of fish were killed including white suckers, stonerollers, minnows and creek chubs. 

The fish kill was reported Monday, but they were first noticed Sunday following rainfall over the weekend. 

The investigation is ongoing as DNR awaits test results from water samples. 

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