No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, subsurface drainage, cooling water, or unpolluted industrial process waters into any sanitary sewer. Stormwater and all other unpolluted drainage shall be discharged into sewers as are specifically designated as combined or storm sewers, or to a natural outlet approved by the City Engineer and/or the SWRC. Industrial cooling water or unpolluted waters may be discharged, upon approval of the City Engineer, into a storm sewer, combined sewer, or natural outlet.
(1993 Code, § 52.40) Penalty, see § 53.99