In this chapter:

   (1)   “Department” means the department of natural resources.

   (2)   “Groundwater” means subsurface water supplied for human consumption.

   (2b)   “Heat exchange drillhole” means an excavation or opening in the ground that is deeper than it is wide, that extends more than 25 feet below the ground surface, and that is made for the purpose of installing a geothermal closed-loop heat exchange system.

   (2c)   “Heat exchange drilling” means the industry and procedure employed in making heat exchange drillholes.

   (2d)   “Licensed driller” means any individual who has paid the annual license fee under s. 280.15 (2m) (c) 1. and obtained a license under s. 280.15 (2m) as a driller.

   (2e)   “Licensed pump installer” means any individual who has paid the annual license fee under s. 280.15 (2m) (c) 2. and obtained a license under s. 280.15 (2m) as a pump installer.

   (5)   “Pump installing” means the industry and procedure employed in the placement and preparation for operation of equipment and materials utilized in withdrawing or obtaining water from a well for consumption or use, including all construction involved in making entrance to the well and establishing such seals and safeguards as are necessary to protect such water from contamination.

   (6)   “Well” means an excavation or opening into the ground made by digging, boring, drilling, driving or other methods for the purpose of obtaining groundwater for human consumption.

   (8)   “Well drilling” means the industry and procedure employed in obtaining groundwater from a well by digging, boring, drilling, driving or other methods but not including the driving of points. It shall also include all construction work and installation of well casings in said well involved therein for the protection of such well water against pollution.