Section 103I.641 — Bored Geothermal Heat Exchangers.

103I.641 BORED GEOTHERMAL HEAT EXCHANGERS. Subdivision 1. Requirements. A person may not drill or construct an excavation used to install a bored geothermal heat exchanger unless the person is a limited well/boring contractor licensed for constructing, repairing, and sealing bored geothermal heat exchangers or a well contractor. Subd. 2. Regulations for bored geothermal heat exchangers. […]