(A) Sanitary sewers. No person shall discharge or cause to be discharged any unpolluted waters such as storm water, groundwater, roof runoff, subsurface drainage, or cooling water to any sanitary sewer.
(B) Storm sewers. Storm water and all other unpolluted water shall be discharged to sewers which are specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the approving authority and other regulatory agencies. Unpolluted industrial cooling water or process waters may be discharged, on approval of the approving authority and upon approval and issuance of a discharge permit by the State Pollution Control Agency (MPCA), to a storm sewer, combined sewer, or natural outlet.
(Ord. 303, passed 4-21-88) Penalty, see § 10.99