Section NR 269.06 - Application of effluent limitations and standards(1) The effluent limitations and standards set forth in this chapter shall be used in accordance with this section to establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this chapter, except as;(a) They may be modified in accordance with subch. IV of ch. NR 220,(b) They may be superseded by more stringent limitations and standards necessary to achieve water quality standards or meet other legal requirements, or(c) They may be supplemented or superseded by standards or prohibitions for toxic pollutants or by additional limitations for other pollutants required to achieve water quality.(2) The provisions of this chapter with respect to subcategory (2) are applicable to the mining or quarrying and the processing of crushed and broken stone and riprap. This includes all types of rock and stone and specifically the processing of calcite in conjunction with the processing of crushed and broken limestone of dolomite. Rock and stone that is crushed or broken prior to the extraction of another mineral is excluded, however.(3) The provisions of this chapter with respect to subcategory (3) are applicable to the mining and the processing of sand and gravel for construction or fill uses, exclusive of sand and gravel removed from navigable waters by dredging operations and return flows therefrom.(4) The provisions of this chapter with respect to subcategory (4) are applicable to the mining and the processing of sand and gravel for uses other than construction and fill including, but not limited to, glass making, molding, abrasives, filtration, refractories and refractory bonding.(5) In the event that waste streams from various sources within subcategory (3) or within subcategory (4) are combined for treatment and discharge, the quantity and quality of each pollutant or pollutant property in the combined discharge shall not exceed the quantity and quality of each pollutant or pollutant property allowed had each stream been treated separately.(6) The limitations of this chapter are not applicable to any overflow from facilities designed, constructed and operated to treat to the applicable limitations the precipitation and runoff from a 10-year 24-hour precipitation event as defined in s. NR 205.05.(7) In the case of a discharge into receiving waters for which the pH, if unaltered by human activities, is or would be less than 6.0 and water quality criteria in water quality standards approved under the act authorize such lower pH, and pH limitation for such discharge may be adjusted downward to the pH water quality criterion for the receiving waters. In no case shall a pH limitation outside the range of 5.0 to 9.0 be permitted.Wis. Admin. Code Department of Natural Resources NR 269.06
Cr. Register, June, 1977, No. 258, eff. 7-1-77.Amended by, Cr. Register, correction in (1) (a) made under s. 13.92(4) (b) 7, Stats., Register April 2018 No. 748, eff.5/1/2018