A. Inflammables: It shall be unlawful for any person to injure, break or remove any part or portion of any sewer appliance or appurtenance, or to discharge into a sewer any inflammable gas, gasoline or oil, any calcium carbide or residue therefrom, or any liquid or other materials or substance which will emit an inflammable gas when in contact with water, sewage or fire. Oil separators installed in any building where volatile fluids are used must not be connected directly or indirectly with a sewer.
B. Waste Pipes From Enumerated Establishments: The contents of waste pipes from water filters, gas engines, air compressors, vacuum or dry cleaners, garages, wash racks, stores or warehouses containing inflammable substances, car barns, buildings for the stabling or keeping of horses, cows and other animals, or plants using milk or processing milk products and all similar establishments shall not be disposed of through connection with a sanitary sewer unless such contents are discharged into settling tanks properly trapped and vented. The construction of such tanks must be approved by the city engineer, and must be subject to his inspection, approval or condemnation before cement is poured and at all times thereafter until completion of such construction. Upon condemnation by the city engineer, the sewage from the tanks shall not be allowed to flow into the sewer until satisfactory alterations have been made and the construction approved by the city engineer.
C. Obstructive Material: It shall be unlawful for any person to empty or discharge into the public sanitary sewer any garbage, refuse or other similar matter or substance likely to obstruct the sewer, or any substance, solid or liquid other than the waste products for which the sewer is provided. (Ord. 99-3, 2-10-1999)
D. Drainage Waters And Destructive Materials: It shall be unlawful for any person to connect with a public sanitary sewer any drain or pipe which discharges rain, water, cellar or surface water, acids, alkalies, lye or other injurious liquids, or the contents of any spring, flowing well, creek, ditch, or other watercourse. No boiler or heating plant shall be directly connected to the sanitary sewer. The overflow from boilers or heating plants when cooled to a temperature not to exceed one hundred twenty degrees Fahrenheit (120°F), will be allowed to run to a sump, which sump shall be connected to the sewer. The discharge of the contents of waste pipes from water filters, gas engines, air compressors, vacuum or dry cleaners, garages, wash racks, stores or warehouses which contain inflammable substances, buildings for the stabling or keeping of horses, cows and other animals, and all similar establishments, shall not be made into or connected with a sanitary sewer, unless such contents are discharged into settling tanks properly trapped and vented. Settling tanks shall be constructed of a material approved by the city engineer and shall be at all times subject to his inspection and approval or condemnation. Upon condemnation by the city engineer, the sewage from said tanks shall not be allowed to flow into sewer until satisfactory alterations have been made and the construction approved by the city engineer. (Ord. 99-3, 2-10-1999; amd. 2007 Code)
E. Pretreatment Regulations: All discharges into the sewer system must meet all pretreatment requirements of chapter 5 of this title. (Ord. 99-3, 2-10-1999)