A.
No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, subsurface drainage, uncontaminated cooling waters, or unpolluted industrial process waters to any sanitary sewer.
B.
Stormwater and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers or to a natural outlet approved by the Superintendent. Industrial cooling waters or unpolluted process waters may be discharged on approval of the Superintendent to a storm sewer or natural outlet. Cooling water dischargers to waters of the state must apply for SPDES permits and are subject to state and federal regulations.