All Concentrated Animal Feeding Operations need a water pollution control permit. A "Concentrated Animal Feeding Operation" is a lot or facility that stables or confines and feeds or maintains animals for a total of 45 days or more in any 12-month period and meets the following criteria for a large, medium, or small concentrated animal feeding operation:
|Table 1. Number of Animals to Define Large, Medium, and Small Concentrated Animal Feeding Operations|
|Type of Animal:||Concentrated Animal Feeding Operations/th>|
equal to or more than:
|Dairy cows (mature - milked or dry)||700||200 to 699||200|
|Veal Calves||1,000||300 to 999||300|
|Cattle other than mature dairy cows or veal calves 1||1,000||300 to 999||300|
|Swine (weighing more than 55 pounds)||2,500||750 to 2,499||750|
|Swine (weighing less than 55 pounds)||10,000||3,000 to 9,999||3,000|
|Horses||500||150 to 499||150|
|Sheep or Lambs||10,000||3,000 to 9,999||3,000|
|Turkeys||55,000||16,500 to 54,999||16,500|
|Laying hens or broilers 2||30,000||9,000 to 29,999||9,000|
|Chickens, other than laying hens 3||125,000||37,500 to 124,999||37,500|
|Laying hens 3||82,000||25,000 to 81,999||25,000|
|Ducks 2||5,000||1,500 to 4,999||1,500|
|Ducks 3||30,000||10,000 to 29,999||10,000|
|Geese||30,000||10,000 to 29,999||10,000|
1 Cattle includes but is not limited to heifers, steers, bulls and cow/calf pairs.
2 Animal feeding operation uses a liquid manure handling system.
3 Animal feeding operation uses other than a liquid manure handling system.
NOTE: Other animal types not listed in the above table may be considered on a case-by-case basis.