Virginia Decodedhttps://vacode.org6148056-257.1Means of locating nonmetallic underground conduits202556-265.20:1Public Service CompaniesHeat, Light, Power, Water and Other Utility Companies GenerallyPipelines and Other Works
Any plastic or other nonmetallic pressurized conduit installed underground on and after July 1, 1976, shall have affixed thereto a wire conductive of electricity or some other means of locating the conduit while it is underground.