Who Needs A Permit?

 

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:

 

  1. A large concentrated animal feeding operation as described in Table 1 below.

  2. A medium concentrated animal feeding operation as described in Table 1 below and meets one of the following conditions: 1) Pollutants are discharged into waters of the state through a man-made ditch, flushing system, or other similar man-made device; or 2) Pollutants are discharged directly into waters of the state which originate outside of and pass over, across, or through the facility or otherwise come into direct contact with the animals confined in the operation.

  3. A small concentrated animal feeding operation as described in Table 1 and designated as a concentrated animal feeding operation by the Secretary. 

 

Table 1. Number of Animals to Define Large, Medium, and Small Concentrated Animal Feeding Operations

Type of
Animal Feeding Operation

Concentrated Animal Feeding Operations

Large

Animal numbers equal to or more than:

Medium

Animal numbers equal to:

Small

Animal numbers less 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.