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D®cu~ae~at A <br />Class A Nell License Encompasses All Topics: <br />The 1Vlinnesota I9epartment of I~ealth (MDH) well Management Section <br />licenses or registers contractors who construct, repairs modify, and seal wells <br />and borings as defined in Minnesota Statutes, Chapter 103I. V6~ells include <br />water supply wells (including drivepoint or Sandpoint wells), dewatering <br />wells, irrigation wells, and monitoring wells. Borings include elevator <br />borings, environmental bore holes, exploratory borings and vertical heat <br />exchangers (geothermal heat loops). <br />