Public Act 93-0608 SB1085 Enrolled LRB093 10511 EFG 10765 b AN ACT in relation to groundwater. Be it enacted by the People of the State of Illinois, represented in the General Assembly: Section 5. The Department of Natural Resources Act is amended by adding Section 1-30 as follows: (20 ILCS 805/1-30 new) Sec. 1-30. Aquifer study. The Department shall conduct a study to (i) develop an understanding of the geology of each aquifer in the State; (ii) determine the groundwater flow through the geologic units and the interaction of the groundwater with surface waters; (iii) analyze current groundwater withdrawals; and (iv) determine the chemistry of the geologic units and the groundwater in those units. Based upon information obtained from the study, the Department shall develop geologic and groundwater flow models for each underground aquifer in the State showing the impact of adding future wells or of future groundwater withdrawals. Section 99. Effective date. This Act takes effect upon becoming law.