La. Admin. Code tit. 33 § IX-321

Current through Register Vol. 50, No. 6, June 20, 2024

Section IX-321 - Appendix B-Criteria for Determining a Concentrated Animal Feeding Operation

A. An animal feeding operation is a concentrated animal feeding operation for purposes of LAC 33:IX.301.J if either of the following criteria are met:

1. more than the numbers of animals specified in any of the following categories are confined:

a. 1,000 slaughter and feeder cattle;

b. 700 mature dairy cattle (whether milked or dry cows);

c. 2,500 swine each weighing over 25 kilograms (approximately 55 pounds);

d. 500 horses;

e. 10,000 sheep or lambs;

f. 55,000 turkeys;

g. 100,000 laying hens or broilers (if the facility has continuous overflow watering);

h. 30,000 laying hens or broilers (if the facility has a liquid manure system);

i. 5,000 ducks; or

j. 1,000 animal units; or

2. more than the following number and types of animals are confined:

a. 300 slaughter or feeder cattle;

b. 200 mature dairy cattle (whether milked or dry cows);

c. 750 swine each weighing over 25 kilograms (approximately 55 pounds);

d. 150 horses;

e. 3,000 sheep or lambs;

f. 16,500 turkeys;

g. 30,000 laying hens or broilers (if the facility has continuous overflow watering);

h. 9,000 laying hens or broilers (if the following has a liquid manure handling system);

i. 1,500 ducks; or

j. 300 animal units; and either one of the following conditions are met:

i. pollutants are discharged into waters through a man-made ditch, flushing system other similar man-made device; or

ii. pollutants are discharged directly into waters of the state which originate to outside of and passover, across, or through the facility or otherwise come into direct contact with the animals confined in the operation.

B. Provided, however, that no animal feeding operation is a concentrated animal feeding operation as defined above if such animal feeding operation discharges only in the event of a 25-year, 24-hour storm event.

C. The term animal unit means a unit of measurement for any animal feeding operation calculated by adding the following numbers: the number of slaughter and feeder cattle multiplied by 1.0, plus the number of mature dairy cattle multiplied by 1.4 plus the number of swine weighing over 25 kilograms (approximately 55 pounds) multiplied by 0.4 plus the number of sheep multiplied by 0.1, plus the number of horses multiplied by 2.0.

La. Admin. Code tit. 33, § IX-321

Promulgated by the Department of Environmental Quality, Office of Water Resources, LR 11:1066 (November 1985), repromulgated by the Office of Environmental Assessment, Environmental Planning Division, LR 30:230 (February 2004).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:2001 et seq., and in particular Section 2074(B)(3) and (B)(4)