Wis. Admin. Code Department of Natural Resources NR 296.10 - Effluent limitations, best practicable treatment

The following effluent limitations for all or specific subcategories when applied in accordance with s. NR 296.06(3) 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 fecal coliform present in discharges in subcategory (3) shall not exceed an MPN of 400/100 ml.

(3) The oil and grease content of discharges in subcategory (1) shall not exceed a 30-day average of 3.6 nor a daily maximum of 7.2 lbs/1,000 lbs or kg/1,000 kg of wool.

(4) The 30-day average limitations for BOD 5, suspended solids, COD, total chromium, phenol and sulfide are set forth in table 1. Daily maximum limitations are 2 times the 30-day average values.

Table 1

BPT Ef fluent Limitations in lbs/1,000 lbs or kg/1,000 kg of produc

BOD	TSS	COD	Chromium Total	Phenol	Sulfide
(1)	5-3	16-1	69.0	.05	.05	.10
(2)	11-2	17-6	81-5	.07	.07	.14
(3)	.7	.7	1-4	-	-	-
(4) (a)	3.3	8-9	30.0	.05	.05	.10
(b)	3.3	8-9	40.0	.05	.05	.10
(c)	3.3	8-9	50.0	.05	.05	.10
(d)	3.3	8-9	60.0	.05	.05	.10
(5) (a)	2.5	10-9	30.0	.05	.05	.10
(b)	2.5	10-9	40.0	.05	.05	.10
(c)	2.5	10-9	50.0	.05	.05	.10
(6) (a)	3.9	5-5	35-1	.02	.02	.04
(b)	3.9	5-5	45-1	.02	.02	.04
(7)	3.4	8-7	42-3	.06	.06	.12

Notes

Wis. Admin. Code Department of Natural Resources NR 296.10

Cr. Register, June, 1976, No. 246, eff. 7-1-76. Amended by, Cr. Register, correction in (intro.) made under s. 13.92(4) (b) 7, Stats., Register April 2018 No. 748, eff.5/1/2018