Wisconsin Administrative Code
Department of Natural Resources
NR 800 - Environmental Protection - Water Supply
Chapter NR 812 - Well Construction And Pump Installation
Subchapter III - Requirements for New Pump Installations and Water Treatment
Section NR 812.29 - Height of finished well

(1) Except as provided in sub. (3), a pump installer shall ensure that the watertight well casing pipe for a well terminates at least 12 inches above the established ground surface, above a pumphouse or building floor or above any concrete or asphalt platform surrounding the well casing.

(2) When a low capacity well is located in an area of traffic or where the well terminus is at risk of contact by vehicles, machinery, equipment or any other hazard that poses a significant threat of damage to the well terminus, the well shall be protected from physical damage by either using rigid metal posts or comparable barriers or by terminating it within a driveway ramp constructed in accordance with s. NR 812.36.

(3) For a well in a floodplain, the top of a well and an overflow outlet from a flowing well shall terminate at least 2 feet above the regional flood elevation. A pit or alcove may not be installed to enclose a well or pump installation.

(5) When a well terminates in a walkout basement meeting the requirements of s. NR 812.08(2) (d), the top of the well shall terminate a minimum of 12 inches above the basement floor.