Kansaswater Pollution Control Permit Foragricultural Andrelated Wastes Permit Application Page 3

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ANIMAL UNITS CALCULATION TABLE
Please complete the table below. Be certain to identify all the types of animals that you have at your facility. Each pig,
weaned or unweaned, weighing 55 pounds or less must be counted as 0.1 animal units. Similarly, for permitting purposes,
dairy facilities must count calves and heifers weighing less than 700 pounds as 0.5 animal units and bulls, and heifers
weighing more than 700 pounds as 1.0 animal unit. Lactating and dry dairy cows should be counted as 1.4 animal units,
etc.
(A)
(B)
(C)
(D)
(E)
Maximum
Proposed
Permitted
AU Conversion
Maximum Animal
*
Type of Facility
Expansion
Capacity
Factor
Units (B+C) x D
or New (Head)
(Head)
Swine weighing more than 55 pounds
0.4
Swine weighing 55 pounds or less
0.1
Cattle weighing more than 700 pounds
1.0
Cattle weighing less than 700 pounds
0.5
Mature Dairy Cows (Lactating and Dry)
1.4
Sheep/Lambs/Goats
0.1
Turkeys
0.018
Laying Hens/Broilers
0.01
w/ continuous overflow watering
Laying Hens/Broilers
0.033
w/ liquid manure system
Chickens (other than Laying Hens)
0.008
1
w/ other than liquid manure system
Laying Hens
0.0122
1
w/ other than liquid manure system
Horses
2.0
Ducks w/ liquid manure system
0.2
Ducks w/ other than liquid manure system
---
Other-specify species__________________
Total
*Minimum EPA thresholds requiring an NPDES permit are: 700 head of mature dairy cows (lactating or dry), 1,000 head
of veal calves, 1,000 head of cattle other than mature dairy cows or veal calves, 2,500 head of swine weighing greater than
55 pounds, 10,000 head of swine weighing 55 pounds or less, 500 horses, 10,000 sheep or lambs, 55,000 turkeys, 30,000
laying hens/broilers w/ liquid manure system, 125,000 chickens other than laying hens w/ other than liquid manure
system, and 82,000 laying hens w/ other than liquid manure system.
1
Use a 0.033 AU conversion factor if the manure, from chicken facilities that only use dry litter systems, is exposed to
precipitation during collection, when stored in stockpiles, or land applied without incorporation into the soil within 24
hours
KDHE BOW LWMS Permit Application form rev 4/7/2015
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