(A) An approved backflow prevention device shall be installed between the service connection and the point of potential backflow into a consumer’s water supply system when, in the judgment of the Superintendent, a health, plumbing, pollution, or system hazard exists.
(B) An approved backflow prevention device shall be installed when the following conditions are found by the Superintendent to exist:
(1) Premises on which any substance is handled in such a fashion as to create an actual or potential hazard to a public water supply system. This shall include premises having sources or systems containing process fluids or waters originating from a public water supply system which are no longer under the sanitary control of the owner;
(2) Premises having internal cross-connections that, in the judgment of the Superintendent, are not correctable, or there exist intricate plumbing arrangements which make it impracticable to determine whether or not cross-connections exist;
(3) Premises where, because of security requirements or other prohibitions or restrictions, it is impossible or impractical to make a complete cross-connection survey; and/or
(4) Premises having a repeated history of cross-connections being established or re-established.
(C) An approved backflow prevention device shall be installed between the service connection and the point of potential backflow into a customer’s water supply system, when, in the judgment of the Superintendent, a health, plumbing, pollution, or system hazard exists:
(1) Hospitals, mortuaries, dental clinics, nursing and convalescent homes, medical buildings;
(2) Testing laboratories, film laboratories, film development facilities;
(3) Sewage treatment plants, sewage pumping stations, or storm pumping stations;
(4) Food or beverage processing plants;
(5) Chemical plants;
(6) Metal de-greasing, plating industries, machine tool plants, dye and metal processing or productions;
(7) Chemical and petroleum processing or storage plants;
(8) Car washes, automobile servicing facilities;
(9) Laundries and dry cleaners;
(10) Packing houses;
(11) Power plants;
(12) Premises having radioactive materials such as laboratories, industries, hospitals;
(13) Rendering plants;
(14) Premises having a water recirculating system as used for boilers or cooling systems;
(15) Veterinary establishments, kennels, feed yards, stables, rodeo grounds, stockyards, pet grooming salons;
(16) Beauty salons, barbershops, massage parlors, health clubs;
(17) Fire suppression systems;
(18) Multi-storied buildings greater than three stories in height;
(19) Schools, universities, colleges; and
(20) Other commercial or industrial facilities which may constitute potential cross-connection sites.
(Ord. 2008-4, passed 8-14-2008) Penalty, see § 10.99