13.36.060: PROHIBITED DISCHARGES; COMBINED AND STORM SEWERS:
Stormwater, surface drainage, subsurface drainage, ground water, roof runoff, cooling water, or unpolluted water may be admitted to such sewers as are specifically designated as combined sewers or storm sewers and which have adequate capacity for their accommodation. No person shall use such sewers without first having obtained the consent of the approving authority. (Ord. 586 §302, 1976)