Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 240 - Dairy Products Processing
Section NR 240.10 - Effluent limitations, best practicable treatment
Current through August 26, 2024
The following effluent limitations for all or specific subcategories when applied in accordance with s. NR 240.06 establish, except as provided in subch. IV of ch. NR 220, the quantity or quality of pollutants or pollutant properties which may be discharged by a facility subject to the provisions of this chapter after application to process wastes of the best practicable control technology currently available.
(1) The pH of all discharges shall be within the range of 6.0 to 9.0.
(2) The 30-day average and daily maximum limitations for BOD5 and suspended solids are set forth in table 2 in lbs/1000lbs or kg/1000kg of BOD5 input.
Table 2
|
BPT Effluent Limitations |
|||||
|
BOD5 |
TSS Suspended Solids |
||||
|
Subcategory |
Class |
Average |
Maximum |
Average |
Maximum |
|
Receiving stations |
(A) |
0.19 |
0.48 |
0.29 |
0.71 |
|
(B) |
0.31 |
0.63 |
0.47 |
0.94 |
|
|
Fluid products |
(A) |
1.35 |
3.38 |
2.03 |
5.51 |
|
(B) |
2.25 |
4.50 |
3.38 |
6.75 |
|
|
Cultured products |
(A) |
1.35 |
3.38 |
2.03 |
5.06 |
|
(B) |
2.25 |
4.50 |
3.38 |
6.75 |
|
|
Butter |
(A) |
0.55 |
1.38 |
0.83 |
2.06 |
|
(B) |
0.91 |
1.83 |
1.37 |
2.74 |
|
|
Cottage and cream cheese |
(A) |
2.68 |
6.70 |
4.02 |
10.05 |
|
(B) |
4.46 |
8.93 |
6.69 |
13.39 |
|
|
Natural and processed cheese |
(A) |
0.29 |
0.73 |
0.44 |
1.09 |
|
(B) |
0.49 |
0.98 |
0.73 |
1.46 |
|
|
Fluid mixes for frozen products |
(A) |
0.88 |
2.20 |
1.32 |
3.30 |
|
(B) |
1.46 |
2.93 |
2.19 |
4.39 |
|
|
Ice cream and frozen products |
(A) |
1.84 |
4.60 |
2.76 |
6.90 |
|
(B) |
3.06 |
6.13 |
4.59 |
9.19 |
|
|
Condensed milk |
(A) |
1.38 |
3.45 |
2.07 |
5.18 |
|
(B)* |
2.30 |
4.60 |
3.45 |
6.90 |
|
|
Dry milk |
(A) |
0.65 |
1.63 |
0.98 |
2.44 |
|
(B) |
1.09 |
2.18 |
1.64 |
3.28 |
|
|
Condensed whey |
(A) |
0.40 |
1.00 |
0.60 |
1.50 |
|
(B)* |
0.65 |
1.30 |
0.98 |
1.95 |
|
|
Dry whey |
(A) |
0.40 |
1.00 |
0.60 |
1.50 |
|
(B) |
0.65 |
1.30 |
0.98 |
1.95 |
|
*These limitations are exclusive of barometric condenser discharges which shall be permitted with net concentration limits for BOD 5 of 10 mg/l 30 day average and 15 mg/l daily maximum.
