9-12-18: WASTING, POLLUTION, DESTRUCTION OF WATER SUPPLY:
Any person who shall interfere with, molest, injure or destroy any fire hydrant, pipe, main, meter, service box or other appurtenance of the water system, or shall open any fire hydrant or tap or make connection with any water main, lateral or pipe without having first obtained permission from the proper official, or shall divert or appropriate water from any hydrant, main, lateral or water pipe without paying the rentals and charges hereinafter specified, shall be deemed guilty of a misdemeanor.
   A.   Proper Use Of Water; Maintenance Of Plumbing And fixtures: No person shall waste water or allow it to be wasted by imperfect or leaking stop valves, check valves; other valves, faucets, pipes, fittings, fixtures or devices of any kind for the utilization and control of water supply or allow any faucet or valve to run wholly or partly open for the prevention of freezing or any other reason or use the water for any purpose other than those upon which his contract is based or use water in any way in violation of any provisions of this Chapter. In case of the neglect or failure to comply with these requirements for the proper maintenance of plumbing and fixtures and the proper use of water, the Superintendent may shut off the water until proper repairs are made and the usual penalty paid. Upon the conviction of any person for the violation of the provisions of this Section, in addition to other penalties imposed by this Chapter, the water on such premises shall be shut off and shall not be again turned on until the best adjustment possible shall have been made for the water so illegally consumed, insofar as the same can be approximately determined and the charges and all penalties incurred have been paid in full.
   B.   Contamination Of Water Supply: No person shall place or cause to be placed in any part of the City water supply system, within the limits of the jurisdiction of the City over the sources of supply, in the pipes, reservoirs or plants thereof within the City any offal, garbage, refuse matter or other unwholesome, injurious or poisonous substance, wash or bathe therein or contaminate the same in any manner. Nor shall any person injure or offer or attempt to injure the water supply of the City or any part of the plant or equipment maintained for that purpose.
   C.   Backflow Prohibited: Any physical arrangement whereby the City's domestic water supply is connected directly or indirectly with any other water supply system, sewer, drain, conduit, pool, storage or reservoir, plumbing fixture, or other device which contains, or may contain contaminated water, sewage, or other waste or liquid which would be capable of imparting contamination to the domestic supply as a result of backflow is prohibited.
   D.   Consumer Responsibility: The consumer has the responsibility of preventing actual and potential contamination of the City water system and the consumer's own system. The consumer's responsibility begins at the point of delivery from the City and includes all of the consumer's water supply system. The consumers, at their own expense, shall install and maintain (USCEC) University of Southern California Engineering Center approved backflow prevention devices as directed by the City. Backflow prevention devices installed on lawn sprinkler or irrigation systems may be installed, upon obtaining the proper permits, by the property owner, plumber or other lawn sprinkler of irrigation system installer. At the City direction, backflow prevention devices installed on all other systems shall be installed by a certified plumber. A list of approved backflow prevention devices and certified plumbers shall be maintained at City Hall. (Ord. 659, 9-27-1994)