Manure spill in Dubuque County traced to dairy farm - KWWL - Eastern Iowa Breaking News, Weather, Closings

Manure spill in Dubuque County traced to dairy farm

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A manure spill from a dairy farm in Dubuque County over the weekend is being investigated.

Iowa Department of Natural Resources investigators received a report of a manure spill and dead fish in the Little Maquoketa River on Wednesday near Graf in Dubuque County.

They determined the spill came from the Lawler Dairy Farm, and that manure overflowed from a manure basin and flowed into a grassy waterway. The manure then made its way into a ravine that serves as a tributary of the Little Maquoketa River.

A co-owner of the farm says an unknown amount of manure spilled from the basin starting on Sept. 13. He says he built a pit near the basin to help contain manure.

The DNR is continuing to investigate the manure spill, and the DNR fisheries are working to figure out how many fish died, and why it wasn't reported sooner.

Manure and hazardous substance spills must be reported to the DNR within six hours after they happen or are discovered.

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