The following words and phrases used in this chapter shall have the following meanings unless a different meaning clearly appears from the context:
APPROVED BACKFLOW ASSEMBLY: An assembly accepted by the Utah state department of environmental quality, division of drinking water, 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 potable public water supply will be considered as an auxiliary water supply. These auxiliary waters may include water from another potable water supply or any natural source such as a well, spring, river, stream, 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 system operator 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 or substances into the distribution pipes of a 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: Assembly or means designed to prevent backflow. See appendix J, chapter 10, Utah plumbing code, as adopted, for specification of such assemblies.
CONSUMER: The persons who consume and/or waste, other liquids, mixtures or substances which would be connected to the potable water supply system.
CROSS CONNECTIONS: Any connection which may allow nonpotable water or industrial fluids or other material of questionable quality to come into contact with potable water inside a distribution system, including any temporary connections, swing connections, removable connections, four-way plug valves, swivel changeover devices, or other similar plumbing arrangements. (Ord. 00-06, 9-5-2000)