35 Ill. Adm. Code 502.103
Large CAFOs
Section 502
Section 502.103Â 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