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 812.40 - Above ground pumphouses
Current through August 26, 2024
When a structure is constructed to house a well, pump, pressure tank, other appurtenances or any combination thereof, the structure shall be weather- and frost-proof, if needed. Above ground pumphouses shall be constructed with the following minimum features:
(1) When a poured-concrete floor is provided, the top of the floor shall be at least 4 inches above the established ground grade and sloped toward the drain or door, or away from the well. A watertight bond shall be provided between the well casing pipe and the concrete;
(2) A door opening outward when the structure is large enough, or a trapped floor drain discharging to the ground surface at least 8 feet from the well when a door is not installed;
(3) Protection from freezing for the well, pressure tank and piping, if needed;
(4) Hinged roof or removable hatch over the well or some provision for pulling the pump; and
(5) The structure may not be used for storage of materials that could contaminate the well.
Dimensions, insulated walls and roof and actual details of wall and roof design are optional. See figure 46.
