13.24.340 Well surface construction features
   A.   Water Well Surface Sealing. All water wells drilled, dug, excavated or bored shall be provided with: a watertight reinforced concrete slab of minimum thickness of six inches, top of slab to be a minimum four inches above ground level or floor level at well site, and slab shall extend horizontally at least three feet from the center of the well casing in all directions, and the concrete slab shall adequately slope so as to drain water away from the well casing.
   B.   Sample Spigot. A sample spigot shall be provided on the pump discharge line of any water well used as a domestic water supply, as close to the pump as practical and on the distribution side of the check valve.
   C.   Check Valve. A check valve shall be provided on the pump discharge line as near the pump as possible for all community water supply wells.
   D.   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 disinfecting agents may be introduced directly into the well. The pipe shall be extended to a height equal to the pump slab or at least four inches above the finished grade, shall be kept sealed and shall be provided with a threaded or equivalently secured cap.
   E.   Water Well Master Meter. A master meter or other suitable measuring device shall be provided for each source facility to register accurately the quantity of water delivered to the distribution system for all community water supply wells.
   F.   Air-Relief Vent. An air-relief vent, if used, shall terminate downward and be screened and protected against the possibility of contaminating material entering the vent.
(Ord. 3475, 1-22-75)