415 ILCS 30/6
The Department shall adopt and amend rules and regulations reasonably necessary to effectuate the policy declared by this Act. Such rules and regulations shall provide criteria for the proper location and construction of any water well, closed loop well or monitoring well and shall, no later than January 1, 1988, provide for the issuance of permits for the construction, modification, and abandonment of water wells other than community public water systems and monitoring wells. The Department shall by regulation require a one time fee, not to exceed $100, for permits for construction, modification, or abandonment of water wells. The Department shall by rule require a one-time fee for permits for the construction, modification, or abandonment of closed loop wells.
415 ILCS 30/6