Concentrated Animal Feeding Operations

CAFOs Operating In Missouri

This web site is intended to guide those who are required to obtain a permit from the Water Protection Program for a Concentrated Animal Feeding Operation (CAFO). A CAFO is defined as “An operating location where animals have been, are, or will be stabled or confined and fed or maintained for a total of forty-five (45) days or more in any twelve (12)-month period, and a ground cover of vegetation is not sustained over at least fifty percent (50%) of the animal confinement area and meets one (1) of the following criteria: A.) Class I operation; or B.) Class II operation that discharges through a man-made conveyance or where pollutants are discharged directly into waters of the state which originate outside of and pass over, across or through the operation or otherwise come into direct contact with the animals confined in the operation.”

NPDES Permitting of CAFOs in Missouri