The purpose of this chapter is as follows:
1. 
To protect the public water supply against actual or potential cross-connection by isolating within the premises contamination that may occur because of some undiscovered or unauthorized cross-connection on the premises;
2. 
To eliminate existing connections between drinking water systems and other sources of water that are not approved as safe and potable for human consumption;
3. 
To eliminate cross-connections between drinking water systems and sources of contamination;
4. 
To prevent the making of cross-connections in the future.
(Ord. 88-01 § 1(part), 1988)
These regulations are adopted pursuant to the California Administrative Code, Title 17, Public Health entitled "Regulations Relating to Cross-Connections."
(Ord. 88-01 § 1(part), 1988)
It is unlawful for any person, firm, or corporation at any time to make or maintain or cause to be made or maintained temporarily or permanently, for any period of time whatsoever, any cross-connection between plumbing pipes or water fixtures being serviced with water by the city water department and any other source of water supply or to maintain any sanitary fixture or other appurtenances or fixtures which by reason of their construction may cause or allow backflow of water or other substances into the water supply of the city and/or the service of water pipes or fixtures of any consumer of the city.
(Ord. 88-01 § 1 (part), 1988)