(A) No person shall discharge or cause to be discharged any unpolluted waters such as stormwater, groundwater, roof run-off, subsurface drainage or cooling water to any sewer, except stormwater run-off from limited areas, which stormwater may be polluted at times, may be discharged to the sanitary sewer by permission of the Engineer.
(B) (1) Stormwater other than that exempted under division (A) above, and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers or to a natural outlet approved by the Engineer and other regulatory agencies.
(2) Unpolluted industrial cooling water or process waters may be discharged, on approval of the Engineer, to a storm sewer, combined sewer or natural outlet.
(Prior Code, § 50.20) Penalty, see § 51.99