§ 54.231 WATER WELL SURFACE CONSTRUCTION FEATURES.
   (A)   Check valve. A check valve shall be provided on the pump discharge line adjacent to the pump for all water wells.
   (B)   Sample spigot. An untreated sample spigot shall be provided on the pump discharge line of any water well used as a public water supply adjacent to the pump and on the distribution side of the check valve.
   (C)   Water well disinfection pipe. All community water supply wells and individual domestic wells shall be provided with a pipe or other effective means through which chlorine or other approved disinfecting agents may be introduced directly into the wells. The pipe shall be extended at least four inches above the finished grade and shall have a threaded or equivalently secured cap on it.
   (D)   Water well flow meter. A flow meter or other suitable measuring device shall be located at each source facility and shall accurately register the quantity of water delivered to the distribution system from all community water supply wells serving a public water supply system.
   (E)   Air-relief vent. An air-relief vent, when required, shall terminate downward, be screened and otherwise be protected from the entrance of contaminants.
   (F)   Backflow prevention assembly. Agricultural wells equipped with chemical feeder devices for fertilizers, pesticides or other nonpotable water treatment shall be furnished with an approved backflow prevention assembly or a sufficient air gap to insure that a cross-connection with the well does not exist.
('61 Code, § 24.128) (Ord. 1041, passed - - ; Am. Ord. 1103, passed 11-20-91)