Wisconsin Licensed Well Driller is a professional who is certified and licensed to drill wells in the state of Wisconsin. A Wisconsin Licensed Well Driller is trained and certified to perform the installation of water wells, geothermal wells, and other subsurface services, such as pump installation and repair, as well as well maintenance and testing. They are also responsible for compliance with all applicable state and local regulations related to well drilling, and must be familiar with the Wisconsin Department of Natural Resources' (DNR) regulations regarding water well drilling. Wisconsin Licensed Well Drillers are typically categorized as either commercial or residential. Commercial well drillers are responsible for installing, operating, and maintaining commercial wells, such as those used in public water supplies or in industrial applications. Residential well drillers are responsible for installing and maintaining residential wells, such as those used for private residential water supplies. Wisconsin Licensed Well Drillers must be certified by the DNR and complete an approved training program. They must undergo continuing education and training to maintain their certification, as well as adhere to the DNR's safety regulations.