An approved backflow protection device for the City's potable water supplies shall be provided as follows:
(a) Each City water service connection that supplies potable water to premises with an auxiliary water supply, such as recycled or non-potable water that is not accepted as a potable source by the Administrator, and/or is not approved for potable use by the State Board, shall be protected against backflow from the premises into the City's potable water system.
(b) Each City water service connection supplying potable or recycled water to premises on which any substance is handled in such a fashion that could permit entry into the City water systems (potable or recycled) from the premises shall be protected against backflow. This shall include, but is not limited to, the handling of fertilizers, process waters, waters originating from any of the City water systems that have been subject to deterioration in quality, and agricultural use.
(c) Appropriate backflow devices shall be installed where premises have intricate plumbing and piping arrangements or where not all portions of the premises are readily accessible for inspection.
(d) Appropriate backflow protection shall be required at premises where a history of cross-connections has been established or re-established.
(e) Appropriate backflow protection shall be provided to properties served by a temporary above ground water service connection.
(§ 2, Ord. 3197, eff. January 7, 2022)