(a) Water-Well Surface and Annular Sealing. All water wells hereafter drilled, dug, excavated or bored shall be provided with: a watertight reinforced concrete slab at least six inches thick and with the top being a minimum of four inches above the higher of the ground level or floor level at the well site. The slab shall extend horizontally at least three feet from the center of the well casing in all directions and be adequately sloped to drain surface water away from the well casing. Annular seals for agricultural and individual domestic wells shall extend at least 20 feet below the ground surface. For community water supply wells, annular seals shall extend at least 50 feet below the ground surface.
(b) Sample Spigot. A 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) Check Valve. A check valve shall be provided on the pump discharge line adjacent to the pump for all water 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 approved disinfecting agents may be introduced directly into the well. The pipe shall be extended at least four inches above the finished grade and shall contain a threaded or equivalently secured cap upon it.
(e) Water Well Master Meter. A master 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.
(f) Air-Relief Vent. An air-relief vent, if used, shall terminate downward, be screened, and otherwise be protected from contaminating material entering.
(Ord. 3105, passed - -1986)