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As used in this chapter:
APPROVED BACKFLOW ASSEMBLY: Accepted by the Utah department of health, bureau of drinking water/sanitation, as meeting an applicable specification or as suitable for the proposed use.
AUXILIARY WATER SUPPLY: Any water supply on or available to the premises other than the purveyor's public water supply will be considered as an auxiliary water supply. These auxiliary waters may include water from another purveyor's public potable water supply or any natural source, such as a well, spring, river, stream, harbor, etc., or "used waters" or "industrial fluids". These waters may be contaminated or polluted or they may be objectionable and constitute an unacceptable water source over which the water purveyor does not have authority for sanitary control.
BACK PRESSURE: The flow of water or other liquids, mixtures or substances under pressure into the feeding distribution pipes of a potable water supply system from any source, other than the intended source.
BACK SIPHONAGE: The flow of water or other liquids, mixtures or substances into the distribution pipes of potable water supply system from any source, other than the intended source, caused by the reduction of pressure in the potable water supply system.
BACKFLOW: The reversal of the normal flow of water caused by either back pressure or back siphonage.
BACKFLOW PREVENTION ASSEMBLY: An assembly or means designed to prevent backflow. Specifications for backflow prevention assemblies are contained within the Utah plumbing code, chapter 10 (appendix J), and the cross connection control program for Utah.
CONTAMINATION: A degradation of the quality of the potable water supply by sewage, industrial fluids or waste liquids, compounds or other materials.
CROSS CONNECTION: Any physical connection or arrangement of piping or fixtures which may allow nonpotable water or industrial fluids or other material of questionable quality to come in contact with potable water inside a distribution system. This would include any temporary connections, such as swing connections, removable sections, four-way plug valves, spools, dummy sections of pipe, swivel or changeover devices or sliding multiport tubes, or other plumbing arrangements.
CROSS CONNECTION CONTAINMENT: The installation of an approved backflow assembly at the water service connection to any customer's premises where it is physically and economically infeasible to find and permanently eliminate or control all actual or potential cross connections within the customer's water system; or, the installation of an approved backflow prevention assembly on the service line leading to and supplying a portion of a customer's water system where there are actual or potential cross connections which cannot be effectively eliminated or controlled at the point of the cross connection (isolation).
CROSS CONNECTION, CONTROLLED: A connection between a potable water system and a nonpotable water system with an approved backflow prevention assembly properly installed and maintained so that it will continuously afford the protection commensurate with the degree of hazard.
WATER PURVEYOR: The person designated to be in charge of the water department of Price City, is vested with the authority and responsibility for the implementation of an effective cross connection control program, and for the enforcement of the provisions of this article. (Ord. 90-009, 1990)