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Competency Area 9: Conservation Planning AEM

PO 89. Define "Concentrated Animal Feeding Operation" (CAFO) and "Animal Feeding Operations" (AFO) and explain how these relate to local regulations and national Clean Water strategies.

Medium Concentrated Animal Feeding Operation (Medium CAFO) [40 CFR 122.23(b)(6)]

The term Medium CAFO includes any AFO with the type and number of animals that fall within any of the ranges listed below and which has been defined or designated as a CAFO. An AFO is defined as a Medium CAFO if the type and number of animals that it stables or confines falls within any of the following ranges:

  • 200 to 699 mature dairy cows, whether milked or dry;
  • 300 to 999 veal calves;
  • 300 to 999 cattle other than mature dairy cows or veal calves. Cattle includes but is not limited to heifers, steers, bulls and cow/calf pairs;
  • 750 to 2,499 swine each weighing 55 pounds or more;
  • 3,000 to 9,999 swine each weighing less than 55 pounds;
  • 150 to 499 horses;
  • 3,000 to 9,999 sheep or lambs;
  • 16,500 to 54,999 turkeys;
  • 9,000 to 29,999 laying hens or broilers, if the AFO uses a liquid manure handling system;
  • 37,500 to 124,999 chickens (other than laying hens), if the AFO uses other than a liquid manure handling system;
  • 25,000 to 81,999 laying hens, if the AFO uses other than a liquid manure handling system;
  • 10,000 to 29,999 ducks (if the AFO uses other than a liquid manure handling system);
  • 1,500 to 4,999 ducks (if the AFO uses a liquid manure handling system); and

Either one of the following conditions is/are met:

http://cfpub.epa.gov/npdes/glossary.cfm#L