Minn. Stat. § 103I.501: LICENSING AND REGULATION OF WELLS AND BORINGS.

(a) The commissioner shall regulate and license:

(1) drilling, constructing, and repair of wells;

(2) sealing of wells;

(3) installing of well pumps and pumping equipment;

(4) excavating, drilling, repairing, and sealing of elevator borings;

(5) construction, repair, and sealing of environmental wells; and

(6) construction, repair, and sealing of bored geothermal heat exchangers.

(b) The commissioner shall examine and license well contractors, limited well/boring contractors, elevator boring contractors, and environmental well contractors.

(c) The commissioner shall license explorers engaged in exploratory boring and shall examine persons who supervise or oversee exploratory boring.