TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE E: AGRICULTURE RELATED POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
PART 502 PERMITS
SECTION 502.103 LARGE CAFOS


 

Section 502.103  Large CAFOs

 

An Animal Feeding Operation is defined as a Large CAFO if at least the numbers of animals specified in any of the following categories are stabled or confined:

 

Number of Animals

Kind of Animals

700

Mature dairy cows, whether milked or dry

1,000

Veal calves

1,000

Cattle other than mature dairy cows or veal calves. Cattle includes heifers, steers, bulls, and cow/calf pairs.

2,500

Swine, each weighing 55 pounds or more

10,000

Swine, each weighing less than 55 pounds

500

Horses

10,000

Sheep or lambs

55,000

Turkeys

30,000

Laying hens or broilers, if the Animal Feeding Operation uses a liquid manure handling system

125,000

Chickens (other than laying hens), if the Animal Feeding Operation uses other than a liquid manure handling system

82,000

Laying hens, if the Animal Feeding Operation uses other than a liquid manure handling system

30,000

Ducks, if the Animal Feeding Operation uses other than a liquid manure handling system

5,000

Ducks, if the Animal Feeding Operation uses a liquid manure handling system

 

(Source:  Amended at 48 Ill. Reg. 3196, effective February 15, 2024)