Current through 2024-51, December 18, 2024
Section 144-232-4-402.0 - TERMINATION OF WELL CASINGS BELOW GROUND SURFACE402.1General: Notwithstanding 401.0 and 403.0, which stipulate that well casings shall be terminated a minimum of 8 inches above the ground surface, it is possible to terminate a well casing below the ground surface if the following conditions are met:402.2Hazardous location: Locations in driveways, parking lots and walkways shall be considered potentially hazardous. Locations in lawn or yard areas, out of a direct walkway shall not be considered hazardous.402.3Advise owner: The well contractor shall advise the well owner of the advantages of leaving the well casing above ground, including but not limited to: 402.3.1Easy access to well: Ease of locating the well should maintenance be needed;402.3.2Easy access to pump: Ease of access to the pump in all seasons when maintenance is needed;402.3.3Surface contamination protection: Protection against unwanted surface or ground waters; and402.3.4Additional protection: The additional construction requirements necessary if the top of the well be left below the land surface.402.4Owners request: Once advised, the well owner may request in writing that the top of the well be terminated below the land surface.402.5Construction requirements: The top of the well terminated below the land surface shall: 402.5.1Road box: Be terminated in a drained, and/or slightly elevated road box with an appropriate, secure cover.402.5.2Sealed cap: Be completely sealed to prevent the entrance of surface water, soil, or other matter.402.5.3Venting: Be properly vented to avoid the creation of a vacuum. Vents shall be constructed in a manner such that they will not become blocked or allow contamination to enter the well.10-144 C.M.R. ch. 232, § 4-402.0