Regulating the Use of Public and Private Sewers and Drains Disposal

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Section 3. No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewers: (a) Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas, except that this provision shall not prohibit fire department personnel or other author- ized municipal employees from flushing streets and sewers which have received or contain flammable, explosive or other dangerous materials as a result of some accident and /or malicious or negligent action. (b) 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 sewage treatment plant, in- cluding but not limited to cyanides in excess of 1. 0 mg /1, zinc in excess of 6. 0 mg /1, chromium in excess of 5. 0 mg /1, cadmium in excess of 1. 5 mg /1, copper in excess of 1.0 mg /1, and nickel in excess of 1. 5 mg /l in the wastes as discharged to the public sewer. (c) Any waters or wastes having any corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works. (d) Solid or viscous substances in quantities or of such size capa- ble 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, etc. either whole or ground by garbage grinders. - Page 7-