(A) Storm water and all other unpolluted water shall be discharged to sewers which are specifically designated as storm sewers, or to a natural outlet approved by the Council and other regulatory agencies.
(B) (1) Cooling water. Unpolluted industrial cooling water or process water may be discharged, on approval of the Council and approval and the issuance of a discharge permit by the MPCA to a storm sewer or natural outlet.
(2) Sump pumps. No water from any roof, surface, ground water sump pump, footing tile, swimming pool or other natural precipitation shall be discharged directly or indirectly into the sanitary sewer system. A permanent installation shall be one that provides for year-round discharge capability to either the outside of the dwelling, building or structure, or is connected to a storm sewer. It shall consist of a rigid discharge line, without valving or quick connections for altering the path of the discharge with a check valve and an air gap.
(2004 Code, § 53.036) (Ord. 781, passed 7-19-1988; Ord. 01-291, passed 5-22-2001) Penalty, see § 10.99