Section NR 269.10 - Effluent limitations, best practicable treatment The following effluent limitations when applied in accordance with s. NR 269.06 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) There shall be no discharge of process generated wastewater pollutants, except that from hydrofluoric acid flotation facilities in subcategory (4) which shall be limited so that:(a) The pH of the discharge is within the range of 6.0 to 9.0.(b) The total suspended solids does not exceed a 30-day average or daily maximum of 0.023 or 0.046 lb/1000 lbs, or kg/1000 kg respectively, and(c) The total fluoride does not exceed a 30-day average or daily maximum of 0.003 or 0.006 lbs/1000 lbs, or kg/1000 kg, respectively.(2) Mine dewatering discharges shall have a pH within the range of 6.0 to 9.0 and the concentration of total suspended solids shall not exceed 30 mg/l.Wis. Admin. Code Department of Natural Resources NR 269.10
Cr. Register, June, 1977, No. 258, eff. 7-1-77.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