The District's Cross-Connection Control Program is mandated by the State Water Resources Control Board (Title 17 of the California Code of Regulations, Division 1, Chapter 5, Subchapter 1, Group 4, Sections 7583 through 7605).

Backflow prevention assemblies properly installed behind the potable water meter, may help eliminate the potential for contaminated or polluted water to flow back into the potable drinking water system.