8-2-11: DISCHARGES INTO PUBLIC SYSTEM:
   A.   Storm And Surface Water Drainage:
      1.   No leaders from roofs and no surface drainage for rainwater shall be connected to any sanitary sewer. No surface or storm water, seepage, cooling water or unpolluted industrial process waters shall be permitted to enter any sanitary sewer by any device or method whatsoever.
      2.   Storm water and all other unpolluted drainage shall be discharged into such sewers as are specifically designated as combined sewers or storm sewers, or into a natural outlet approved by the engineer. Industrial cooling water or unpolluted process waters may be discharged, upon approval of the engineer, into a storm sewer or natural outlet.
   B.   Prohibited Discharges: Except as hereinafter provided, no person shall discharge or cause to be discharged any of the following described waters or wastes into any public sewer:
      1.   Any liquid or vapor having a temperature higher than one hundred fifty degrees Fahrenheit (150°F).
      2.   Any water or waste which may contain more than one hundred (100) parts per million, by weight, of fat, oil or grease.
      3.   Any gasoline, benzine, naphtha, fuel oil or other flammable or explosive liquid, solid or gas.
      4.   Any garbage that has not been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch (1/2") in any dimension.
      5.   Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works.
      6.   Any waters or wastes having a pH lower than 5.5 or higher than 9.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works.
      7.   Any waters or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, or create any hazard in the receiving waters of the sewage treatment plant.
      8.   Any waters or wastes containing suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant.
      9.   Any noxious or malodorous gas or substance capable of creating a public nuisance.
      10.   Any septic tank sludge.
   C.   Swimming Pool Waters: It shall be unlawful for any person to discharge the contents of a swimming pool into a sanitary sewer except in the manner specified herein. The size of pipe carrying discharge water shall not be larger than two inches (2") and shall not be under a head to exceed twenty feet (20'). If the water is discharged by pumping, the rate of flow shall not exceed one hundred (100) gallons per minute. Each swimming pool discharging into a sanitary sewer shall be equipped with an approved separator to preclude any possibility of a backflow of sewage into the swimming pool or piping system 1 . (Ord. 63, 5-6-1975)

 

Notes

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1. See chapter 3 of this title for cross connection control.