§ 53.081 HAZARDOUS AND PROHIBITED DISCHARGES.
   (A)   (1)   No person shall discharge, or cause to be discharged, any stormwater, surface water, groundwater, roof runoff, subsurface drainage, including interior and exterior foundation drains, uncontaminated cooling water, or unpolluted industrial waters to any sanitary sewer.
      (2)   Stormwater and all other unpolluted drainage shall be discharged to sewers specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the City Administrator. Industrial cooling water or unpolluted process water may be discharged on approval of the City Administrator, to a storm sewer, combined sewer, or natural outlet.
(Prior Code, § 3-231)
   (B)   No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewers:
      (1)   Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas;
      (2)   Any waters or wastes containing toxic or poisonous solids, liquids, or gases in sufficient quantity, either singly or by interaction with other wastes, to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, create a public nuisance, or create any hazard in the receiving waters of the wastewater treatment plant, including, but not limited to, cyanides in excess of two mg/l as CN in the wastes as discharged to the public sewer;
      (3)   Any waters or wastes having a pH lower than 5.5, or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works;
      (4)   Solid or viscous substances in quantities or of size capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the sewage works such as, but not limited to, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails, and paper dishes, cups, milk containers, and the like, either whole or ground by garbage grinders.
(Prior Code, § 3-232)
(Ord. 800, passed 10-18-2005)