means a physical break between a supply pipe and a receiving vessel. The air-gap shall be at least double the diameter of the supply pipe measured vertically above the top rim of the vessel, in no case less than one inch.
(Ord. 88-01 § 2(A), 1988)
means devices which have passed laboratory and field evaluation tests performed by a recognized testing organization which has demonstrated their competency to perform such test to the California Department of Health Services.
(Ord. 88-01 § 2(B), 1988)
means any water supply whose potability is regulated by a state or local health agency.
(Ord. 88-01 § 2(C), 1988)
means any water supply on or available to the premises other than the approved water supply.
(Ord. 88-01 § 2(D), 1988)
means an official standard developed and approved by the American Water Works Association (AWWA).
(Ord. 88-01 § 2(E), 1988)
means a flow condition, caused by a differential in pressure, that causes the flow of water or other liquids, gases, mixtures or substances into the distributing pipes of a potable supply of water from any source or sources other than an approved water supply source. Backsiphonage is one cause of backflow. Back pressure is the other cause.
(Ord. 88-01 § 2(F), 1988)
means a degradation of the quality of the potable water by any foreign substance which creates a hazard to the public health or which may impair the usefulness or quality of the water.
(Ord. 88-01 § 2(G), 1988)
as used in this chapter means any unprotected actual or potential connection between a potable water system used to supply water for drinking purposes and any source or system containing unapproved water or a substance that is not or cannot be approved as safe, wholesome and potable. By-pass arrangements, jumper connections, removable sections, swivel or change-over devices or other devices through which backflow could occur, shall be considered to be cross-connections.
(Ord. 88-01 § 2(H), 1988)
means an assembly of at least two independently acting check valves including tightly closing shut-off valves on each side of the check valve assembly and test cocks available for testing the watertightness of each check valve.
(Ord. 88-01 § 2(I), 1988)
means the California Department of Health Services, or the local health agency with respect to a small water system.
(Ord. 88-01 § 2(J), 1988)
means the county or city health authority.
(Ord. 88-01 § 2(K), 1988)
means an individual, corporation, company, association, partnership, municipality, public utility or other public body or institution.
(Ord. 88-01 § 2(L), 1988)
means any and all areas on a customer’s property which are served or have the potential to be served by the public water system.
(Ord. 88-01 § 2(M), 1988)
means a system for the provision of piped water to the public for human consumption which has five or more service connections or regularly serves an average of twenty-five individuals daily at least sixty days out of the year.
(Ord. 88-01 § 2(N), 1988)
means a wastewater which as a result of treatment is suitable for uses other than potable use.
(Ord. 88-01 § 2(0), 1988)
means a device incorporating two or more check valves and an automatically operating differential relief valve located between the two checks, a tightly closing shut-off valve on each side of the check valve assembly, and equipped with necessary test cocks for testing.
(Ord. 88-01 § 2(P), 1988)
refers to the point of connection of a user’s piping to the water supplier’s facilities.
(Ord. 88-01 § 2(Q), 1988)
means the person who owns or operates the approved water supply system.
(Ord. 88-01 § 2(R), 1988)
means any person obtaining water from an approved water supply system.
(Ord. 88-01 § 2(S), 1988)