§ 15-7. Disposal of unpolluted drainage, industrial cooling water and unpolluted process waters.
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Stormwater 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 director. Industrial cooling water or unpolluted process waters may
be discharged, on approval of the director, to a storm sewer, combined sewer or natural
outlet.