Storm water, other than that exempted under § 52.065 of this chapter, and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers to a natural outlet approved by the superintendent and other regulatory agencies. Unpolluted industrial cooling water or process waters may be discharged, on approval of the superintendent, to a storm sewer, combined sewer or natural outlet.
(1993 Code, § 13.08.250) (Ord. 85-1, passed - -)