An official with the Iowa Department of Natural Resources says they have identified one of the sources of two separate fish kills that occurred in Carroll County earlier this month. Dan Stipe, supervisor of the D-N-R field office in Atlantic, says they collected water samples and added a dye to the runoff, and traced one of the kills to a manure release in a tile line. He says it came from a 700-head feedlot with no manure controls. He says the lot is registered with the state, but they haven’t gotten to it yet to set up manure controls. The Knobbe Brothers feedlot is located about four miles northwest of Lidderdale. He says they’ll work with the feed lot owner to fix the problem. He says they want they to find the tile that’s apparently connected to the county drainage tile and sever that tile. He says they’ll also work on some manure controls. Stipe says they have some clues about the other fish kill. He thinks it was a result of the same rain and caused by some facilities with manure that spilled out. Stipe says they can’t nail it down to a specific site. He says it would be difficult to determine a responsible party. He says they’ll work with the people they’ve identified to try and keep it from happening in the future. Stipe say the count of the fish killed was hampered by muddy and turbid water, but more than 13-hundred minnows, 91 stonerollers and 10 dead suckers were found from the one fish kill. They were not able to count the fish from the second kill.
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