Backflow preventers are required to be tested annually by the Virginia Department of Health. Test results of a backflow preventer inspection should be submitted to the King William County Utilities Department.
12VAC5-590-580. General requirements for cross-connection control and backflow prevention.
A. Every owner shall establish and enforce a cross-connection control program (CCCP) in accordance with 12VAC5-590-360. The goal of the CCCP is to prevent the intrusion of contamination into the distribution system via cross-connections and backflow. The owner shall document the CCCP activities in a cross-connection control plan and submit the written document to the department for review and approval.
B. No owner shall install, maintain, or allow a service connection to any premises where cross-connections to a waterworks or a consumer's water system exist, unless the owner and department ensure the cross-connections are adequately safeguarded.
C. No owner shall install, maintain, or allow any connection whereby water from an auxiliary water system may enter a waterworks or consumer's water system, unless the owner and department approve the auxiliary water system, the method of connection, and use of such system ].
D. The owner, in accordance with 12VAC5-590-510 C, shall maintain acceptable working pressures in the distribution system to reduce the potential for backflow to occur.
Statutory Authority §§ 32.1-12 and 32.1-170 of the Code of Virginia.
click the link below for the backflow prevention test report form