Manner of construction

(a) The construction of any well or geothermal bore hole shall be planned and carried out in a manner to guard against waste and contamination of groundwater resources. (b) Standing column wells shall not be configured to be used concurrently as a potable water supply and a geothermal heating or cooling source. Any dual-use wells existing on or before the effective date of this subsection may remain active and shall be properly maintained.