(A) The purpose of this chapter is to protect the public health of water consumers by the control of actual and potential cross-connections.
(B) Rules and regulations of the state’s Department of Environmental Quality pertaining to public water supplies have specific provisions to control cross-connections in public water systems. For the purpose of protecting the health of consumers receiving water from the city, it is considered that the requirements established by the state’s Department of Environmental Quality in rules for public drinking water systems.
(C) This chapter is adopted for the benefit of public health to water users receiving their water supply from the city by protecting the public water system from actual or potential contamination.
(Ord. 05-18-15, passed 5-18-2015)
(A) For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BACK PRESSURE BACKFLOW. The backflow of a higher pressure non-potable water supply into a lower pressure potable supply.
BACK SIPHONAGE BACKFLOW. Backflow of a non-potable supply into a potable water supply that is a result of negative or reduced pressure.
BACKFLOW. The flow, other than the intended direction of flow, of any foreign liquids, gases or substances into the city public water supply distribution system.
BACKFLOW PREVENTION DEVICE. A device to counteract back pressure or to prevent back siphonage.
CROSS-CONNECTION. Any physical arrangement whereby a public water supply is connected, directly or indirectly, with any other water supply system, sewer, drain, conduit, pool, storage reservoir, plumbing fixture or other device which contains or may contain contaminated water, sewage or other waste or liquid of unknown or unsafe quality which may be capable of contaminating the public water supply system of the city as a result of backflow.
(B) All definitions contained in state rules for public drinking water systems, IDAPA 58.01.08, as the same may hereafter be revised or amended, shall be considered as definitions within the meaning of this chapter.
(Ord. 05-18-15, passed 5-18-2015)
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