(A) (1) It shall be unlawful for any person to discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, subsurface drainage, including interior and exterior foundation drains on all new construction, uncontaminated cooling water, or unpolluted industrial process waters into the sanitary sewer.
(2) 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 Sewer Commissioner. Industrial cooling water or unpolluted process waters may be discharged upon approval of the Sewer Commissioner to a storm sewer, combined sewer, or natural outlet.
(Prior Code, § 3-215)
(B) No person shall discharge or cause to be discharged any of the following described water or wastes into the sewer system:
(1) Liquids or vapors having a temperature higher than 150ºF;
(2) Water or waste which may contain more than 100 parts per million by weight of fat, oil, or grease;
(3) Gasoline, benzene, naptha, cleaning solvent, fuel oil, other flammable or explosive liquid, solid, or gas;
(4) Garbage that has not been properly shredded;
(5) 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) Toxic or poisonous substances in sufficient quantity to interfere with or injure the sewage treatment process, constitute a hazard to humans, animals, or fish, or create any hazard in the receiving area of the sewage treatment plant;
(7) Suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant;
(8) Waters or wastes having a pH lower than 5.5 or higher than 9.0 or having other corrosive properties capable of causing damage to the structures, equipment, and personnel of the Sewer Department;
(9) Any noxious or malodorous gas or substance capable of creating a public nuisance;
(10) Any concentrated or high strength industrial wastes, such as whole blood, whole milk, whey, eggs, or any milk processing waste and other wastes which contain large amounts of organic materials; or
(11) The admission into the public sewers of any waters or wastes having a five-day biochemical oxygen demand greater than 300 parts per million by weight; containing more than 350 parts per million by weight of suspended solids; containing any quantity of substances having the characteristics described in division (A) above; or having an average daily flow greater than 2% of the average sewage flow of the city shall be subject to the review of the Sewer Commissioner. Where necessary in the opinion of the Sewer Commissioner, the owner shall provide, at his or her expense, such preliminary treatment as may be necessary to reduce the biochemical oxygen demand to 300 parts per million and the suspended solids to 350 parts per million by weight; reduce objectionable characteristics or constituents to within the maximum limits provided for in division (A) above; or control the quantities and rates of discharge of such water or wastes. Plans, specifications, and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted for the approval of the Sewer Commissioner and no construction of such facilities shall be commenced until said approval is obtained in writing.
(Neb. RS 17-145) (Prior Code, § 3-216) Penalty, see § 10.99