(A) Approved backflow prevention assemblies shall meet the American Society of Sanitary Engineering (ASSE) standard and carry the ASSE seal or be on the University of Southern California approval list.
(B) The following are the approved types of backflow prevention assemblies for use within the town to prevent backflow into the Town of Murphy's public potable water system. All backflow prevention devices shall have received approval of their design and construction from the American Society of Sanitary Engineers (ASSE), or the American Water Works Association (AWWA), or USC, or the Foundation for Cross Connection Control and Hydraulic Research, whichever is most restrictive.
(1) Double Check Valve Assembly (DCVA)
(2) Double Check Detector Assembly (DCDA)
(3) Reduced Pressure Zone Principle Backflow Prevention Device (RPZ)
(4) Residential Dual Check Valve (RDC)
(Ord. passed 12-3-2007)