New Hampshire Code of Administrative Rules
We - Water Well Board
Chapter We 600 - STANDARDS FOR THE CONSTRUCTION, MAINTENANCE AND ABANDONMENT OF WELLS
Part We 602 - NEW WELL CONSTRUCTION
Section We 602.31 - Wells Constructed by Excavation: Installation and Placement of Casing
Current through Register No. 40, October 3, 2024
A well casing for a well constructed by excavation shall:
(a) Extend above the ground surface a minimum of 18 inches or, in areas prone to flooding, to a greater height sufficient to prevent the entrance of surface water into the well;
(b) Have a secure cover with a seal to prevent the entrance of insects or other foreign matter into the well. Wooden covers shall not be used;
(c) Have joints sealed to exclude surface water from entering the well, if the joints are within 6 feet of the ground surface;
(d) Be set on a bed of clean crushed stone or naturally occurring coarse gravel, if present;
(e) Have crushed stone placed around the exterior casing at the bottom section(s) to promote infiltration of water and provide additional storage, if appropriate for the soil conditions at the site; and
(f) Be properly aligned.
