Minn. R. agency 144, ch. 4725, LICENSING AND REGISTRATION, pt. 4725.0475

Current through Register Vol. 49, No. 24, December 9, 2024

Part 4725.0475 - ACTIVITIES REQUIRING LICENSURE OR REGISTRATION

Subpart 1.Activity requiring licensure or registration.

Except for those persons exempted under Minnesota Statutes, section 103I.205, subdivision 4, paragraph (e), a person must hold a license or registration issued by the commissioner to:

A. construct, repair, modify, or seal a well or boring;

B. construct or seal a vertical heat exchanger or groundwater thermal exchange device;

C. construct, repair, or seal an elevator boring;

D. install a well pump or pumping equipment;

E. install, modify, or remove a screen, pitless unit, or pitless adapter; or

F. modify or materially affect the yield, water quality, diameter, depth, or casing of a well or boring including:

(1) attachment of water conditioning or other devices to the casing of the well or boring;

(2) chemical treatment of the well or boring with acid or other chemicals;

(3) development or stimulation of a well or boring including the use of explosives or hydrofracturing; or

(4) termination of a monitoring well, environmental bore hole, remedial well, or dewatering well casing at-grade, including installation or modification of the protective manhole or vault as required in part 4725.6850.

Subp. 2.Exceptions to licensure or registration.

Nothing in this part shall prohibit:

A. a person from placing a water sampling device including a well pump or pumping equipment in a monitoring well or remedial well to obtain a water sample if the device is immediately removed after the sample is collected;

B. a plumber or plumbing contractor from installing and servicing a water service pipe according to chapter 4715, from the source of supply;

C. a water conditioning contractor from installing water conditioning equipment within a building according to chapter 4715;

D. a limited well/boring contractor from repairing, installing a pump or pumping equipment, or repairing or sealing a well that the limited well/boring contractor is licensed to construct; and

E. a water-supply system operator certified under chapter 9400 or the owner of a transient, noncommunity water system from disinfecting the public well they are directly responsible for, according to part 4725.5550.

Subp. 3.Well contractor license.

A person must be licensed as a well contractor to:

A. construct, repair, modify, or seal a well or boring except exploratory borings;

B. install a pump or pumping equipment; and

C. any of the activities in subpart 1, item F.

Subp. 4.Limited well/boring contractor licenses.

A person performing any of the activities in items A to F must have either a well contractor's license or have a separate limited well/boring contractor license for each of the limited licensure areas listed in items A to F:

A. limited licensure to construct, repair, modify as specified in subpart 1, item F, or seal a dug well or drive-point well;

B. limited licensure to install, modify, or repair screens, pitless units or adapters, and casings from the frost line or pitless unit or adapter to the upper termination of the casing;

C. limited licensure to install a well pump or pumping equipment, or any of the activities in subpart 1, item F, subitems (1) and (2);

D. limited licensure to seal wells or borings, remove obstructions from a well or boring before sealing, remove or perforate casing before sealing, or other activities to seal a well or boring, except that a drive-point well or dug well contractor may seal a dug well or drive-point well, a dewatering well contractor may seal a dewatering well, an elevator boring contractor may seal an elevator boring, a vertical heat exchanger contractor may seal a vertical heat exchanger, and a monitoring well contractor may seal a monitoring well or environmental bore hole;

E. limited licensure to construct, repair, seal, or modify as specified in subpart 1, item F, a dewatering well; or

F. limited licensure to construct, repair, seal, or modify as specified in subpart 1, item F, a vertical heat exchanger.

Subp. 5.Elevator boring contractor license.

A person must have an elevator boring contractor's license or a well contractor's license to construct, repair, or seal an elevator boring.

Subp. 6.Monitoring well contractor registration.

A person must be either licensed as a well contractor or registered as a monitoring well contractor to:

A. construct, repair, modify, or seal monitoring wells or environmental bore holes; or

B. install pumps in monitoring wells.

A person with a limited well/boring contractor license to install a well pump or pumping equipment may install pumps in monitoring wells.

Subp. 7.Individual well contractor license.

A person who is licensed as an individual well contractor must meet the requirements for licensure for a well contractor, except the requirements for a bond as specified in part 4725.1250.

Minn. R. agency 144, ch. 4725, LICENSING AND REGISTRATION, pt. 4725.0475

17 SR 2773; 25 SR 1207; 33 SR 211; 45 SR 986

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