Current through Register Vol. 49, No. 24, December 9, 2024
Part 4725.3250 - PUMPS AND PUMPING EQUIPMENT A pump or pump base installed on a well must be constructed so no unprotected openings exist into the interior of the pump or well casing.
A. A hand pump, hand pump head, stand, or similar device must have a closed and screened spout, directed downward. The pump must have a concrete slab at least four inches thick extending horizontally at least one foot in every direction from the well casing and sloped to divert water away from the casing. A watertight seal must be provided between the casing and the slab.B. A reciprocating pump rod must operate through a stuffing box, packing gland, or other watertight and vermin-proof fitting.C. An oil lubricated vertical turbine pump must not be installed in a well.D. A water lubricated vertical turbine pump must be lubricated with water from the well or a potable source.Minn. R. agency 144, ch. 4725, WELL AND BORING GENERAL CONSTRUCTION AND USE REQUIREMENTS, pt. 4725.3250
Statutory Authority: MS s 103I.101; 103I.111; 103I.205; 103I.221; 103I.301; 103I.401; 103I.451; 103I.501; 103I.525; 103I.531; 103I.535; 103I.541; 103I.621; 144.05; 144.12; 144.383; 157.04; 157.08; 157.09; 157.13