Definitions

Large CAFO* Medium AFO* Small AFO*

1000+ beef, heifers, or calves
700+ cows (milking or dry)
125,000+ layers
55,000+ turkeys
2,500+ swine (>55 pounds) 10,000+ swine (<55 pounds) 10,000+ sheep
500+ horses

300-999 beef, heifers, or calves
200-699 cows (milking or dry)
37,500-124,999 layers
16,500-54,999 turkeys
750-2,499 swine (>55 pounds)
3,000-9,999 swine (<55 pounds)
3,000-9,999 sheep
150-499 horses

1-299 beef, heifers, or calves
1-199 cows (milking or dry)
1-37,499 layers
1-16,499 turkeys
1-749 swine (>55 pounds)
1-2,999 swine (<55 pounds)
1-2,999 sheep
1-149 horses

*Requires CAFO permit if site discharges to Water of the State *Requires CAFO permit if site discharges through a pipe ditch or other man-made device; or through direct animal contact (e.g. animal urinates in canal ditch) *Requires CAFO permit if site discharges and deemed as a significant polluter through an on-site inspection