35 Ill. Adm. Code 502.104
Medium CAFOs
Section 502
Section 502.104Â Medium CAFOs
a)Â Â Â Â Â Â Â Â An Animal Feeding Operation is defined as a Medium CAFO if the
following numbers of animals specified in any of the following categories are stabled
or confined and subsection (b), (c) or (d) is met:
Number
of Animals
Kind
of Animals
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 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
Animal Feeding Operation
uses a
liquid manure handling system
37,500 to 124,999
Chickens (other than
laying hens), if the
Animal Feeding Operation
uses
other than a liquid manure handling system
25,000 to 81,999
Laying hens, if the
Animal
Feeding Operation
uses other than a liquid manure
handling system
10,000 to 29,999
Ducks, if the
Animal
Feeding Operation
uses other than a liquid manure
handling system
1,500 to 4,999
Ducks, if the
Animal
Feeding Operation
uses a liquid manure handling
system
b)Â Â Â Â Â Â Â Â Pollutants are discharged into the waters of the United States
through a human-made ditch, flushing system, or similar human-made device;
c)Â Â Â Â Â Â Â Â Pollutants are discharged directly into the waters of the
United States that originate outside of and pass over, across, through, or
otherwise come into direct contact with the animals confined in the operation;
or
d)Â Â Â Â Â Â Â Â The Agency designates the Animal
Feeding Operation as a CAFO under Section 502.106.