92-017 ORD - Laserfiche WebLink

Home Browse Search

. hair and flashings, entrails and sanitary napkins, paper dishes, cups, milk containers and other paper products. Solids shall have a maximum allowable diameter of three (3) inches. e. Noxious or malodorous liquids, gases or substances which either singly or by interaction with other wastes are sufficient to create a public hazard to life or are sufficient to prevent entry into the sewers for their maintenance and repair. . 8. No person shall discharge or cause to be discharge, directly or indirectly, the following described substances to any public sewer, unless in the opinion of the City, such discharge will not harm the wastewater treatment works or cause obstruction to the flow in sewers or otherwise endanger life, limb or public property or constitute a nuisance. In forming its opinion as to the acceptability of these wastes, the City may give consideration to such factors as the quantities of the subject wastes in relation to flows and velocities in the sewers, nature of construction of the sewers, nature of the sewage treatment process, capacity of the sewage treatment plant, degree of treatability of wastes in the sewage treatment plant, the City's NPDES Permit, and other pertinent factors. The City may make such determination on a general basis or as to the discharges from individual users or specific discharges, and may prohibit certain discharges from individual users because of unusual concentrations or combinations which may occur. The substances prohibited are: a. Any wastewater having a temperature higher than one hundred fifty degrees Farenheit (150 F) (65 C), or causing individually, or in combination with other wastewater, the influent at the wastewater treatment plant to have a temperature exceeding 104 Fahrenheit (104 F) (40 C), or having heat in amounts which will inhibit biological activity in the wastewater treatment works resulting in interference therein. b. Any water or waste containing fats, wax, grease or oils, whether emulsified or not, in excess of one hundred (100) milligrams per liter or containing substances which may solidify or become viscous at temperatures between thirty-two (320) and one hundred fifty degrees (1500) Fahrenheit (00 and 650 C, respectively), and any wastewater containing oil and grease concentrations of mineral origin of greater than 100 mg/l, whether emulsified or not. . c. Any garbage that has not been ground or otherwise reduced to such a degree that all particles will be carried freely in suspension under flow conditions normally prevailing in public sewers, with no particles greater than one-half (1/2) inch in any dimension.