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Beef Feedlot in Sioux County, Iowa, to Pay $30,000 Civil Penalty for Unpermitted Wastewater Discharges into Otter Creek

Release Date: 12/30/2010
Contact Information: Chris Whitley, 913-551-7394,

Environmental News


(Kansas City, Kan., Dec. 30, 2010) - The operator of a beef feedlot in Sioux County, Iowa, has agreed to pay a $30,000 civil penalty for unpermitted discharges of wastewater from the facility into Otter Creek.

Darin Green, doing business as Darin Green Feedlot, of Hull, Iowa, agreed to the penalty as part of an administrative consent agreement filed by EPA Region 7 in Kansas City, Kan.

On March 11, 2010, EPA inspectors observed and sampled illegal discharges of manure, litter and process wastewater that were flowing from Green’s feedlot into a tributary of Otter Creek. The feedlot did not have adequate waste control structures to prevent the discharge, nor did it have the required National Pollutant Discharge Elimination System (NPDES) wastewater permit.

At the time of the inspection, the feedlot was confining approximately 2,100 cattle, including 950 in open pens and 1,150 in a deep bedded confinement building.

EPA issued an administrative compliance order to Darin Green Feedlot on March 30, 2010, requiring immediate compliance with the federal Clean Water Act. Since that time, Green has constructed adequate runoff controls and obtained an NPDES permit.

Unpermitted discharges of wastewater from concentrated animal feeding operations (CAFOs) can cause exceedances in water quality standards and pose risks to human health, threaten aquatic life and its habitat, and impair public use and enjoyment of waterways.

The settlement is subject to a 30-day public comment period before it becomes final.

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Learn more about EPA’s civil enforcement of the Clean Water Act

Learn more about the National Pollution Discharge Elimination System (NPDES) and how it regulates concentrated animal feeding operations (CAFOs)

EPA Region 7 offers 10 tips to help CAFO owners and operators prepare for inspections

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