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DNR traced Sioux County fish kill to improper disposal of pesticide


This news story was published on July 29, 2017.
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HULL — The report of a fish kill sent DNR staff from Spencer looking for a pollutant source in a small creek on the southeast side of the Sioux County town of Hull.

They found dead fish in a small tributary of the West Branch of the Floyd River. DNR staff traced the problem upstream to Hull Coop Association where an employee rinsed out chemicals Wednesday morning after spraying corn. The rinse water containing fungicide and insecticide ran into a storm sewer, flowed under Highway 18 and entered the creek.

“While the chemical was greatly diluted, even small amounts in the parts per billion can be toxic to fish,” said Ken Hessenius, supervisor of the DNR’s Spencer office.

“With stream levels low and temperatures high, fish and other aquatic organisms are more likely to be stressed. I would urge everyone to be careful so that chemicals and other potential pollutants don’t reach streams,” he said.

DNR fisheries staff estimate about 3,600 fish, mostly minnows, chubs and darters, were killed along 4,200 feet of stream.

The DNR will seek appropriate enforcement action, including fish restitution.

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3 Responses to DNR traced Sioux County fish kill to improper disposal of pesticide

  1. Avatar

    Anonymous Reply Report comment

    July 30, 2017 at 8:39 am

    Farm industry is not our friend – GMO – pesticides – deadly hog shit – all finding its way into our waterways and drinking water – all can kill humans and surely wildlife as we a seeing

  2. Avatar

    Anonymous Reply Report comment

    July 29, 2017 at 4:38 pm

    What! I’ve been doing it for 10 years and nobody said anything !

    • Avatar

      Anonymous Reply Report comment

      July 29, 2017 at 8:13 pm

      You and everyone else have been doing all your lives. EVER think what you put down the drain?