4-7-4: SANITARY DRAINS AND CONNECTIONS, RESTRICTIONS:
   It shall be unlawful to discharge or cause to be discharged, directly or indirectly, into the sanitary sewer system of the Village any extraneous flows, such as those flows, other than domestic sewage or industrial waste, consisting of ground waters, surface waters, storm waters, roof drainage, footing tile drainage, groundwater sump pump drainage, yard drains, catch basins, inlets, and other drainage or clear waters, including, but not limited to:
   A.   Any liquid or vapor having a temperature higher than one hundred fifty degrees (150°) F.
   B.   Any water or waste which may contain more than one hundred (100) parts per million, by weight, of fat, oil or grease.
   C.   Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas.
   D.   Any garbage that has not been properly shredded to such 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.
   E.   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.
   F.   Any waters or wastes having a pH lower than five and five tenths (5.5) or higher than nine (9.0) or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works. "pH" shall mean the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   G.   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.
   H.   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.
   I.   Any noxious or malodorous gas or substance capable of creating a public nuisance.
   It shall be unlawful to make, maintain or operate a connection to the sanitary sewer system of the Village, which contributes, directly or indirectly, any ground waters, surface waters, storm waters or any other extraneous flows into the sewer system. This Chapter shall also apply to existing connections into the Village sanitary sewer system.
(Ord. 5647, 10-4-21)