AQUIFER PROTECTION ACT
Summary
Creates the Data Center Water Transparency and Aquifer Protection Act. Provides that, beginning January 1, 2027, no data center operating within the State shall use water from the Mahomet Aquifer. Prohibits State agencies from issuing or renewing a permit authorizing a data center to withdraw groundwater from the Mahomet Aquifer. Requires existing data centers to transition to alternative water sources and cease all groundwater withdrawals from the Mahomet Aquifer by no later than January 1, 2028. Provides that a unit of local government may not enter into, enforce, or renew any nondisclosure agreement, confidentiality clause, or similar contractual provision with a data center that restricts the disclosure of information related to the data center's water use. Contains provisions concerning data confidentiality and public access. Establishes penalties for violations. Grants the Illinois Environmental Protection Agency rulemaking powers.
Bill status
in committee
1 of 4 stages cleared
Introduction
Feb 2026
Committee Review
Floor Vote
Governor
Introduced Feb 6, 2026
Last action Jun 17, 2026
Floor votes
How they voted
No floor votes recorded yet.
Full legislative history
Actions timeline
Total actions
21
Key actions
4
Committee
9
Amendments
1
May 22, 2026
Committee
Senate Committee Amendment No. 1 Rule 3-9(a) / Re-referred to Assignments
upper
May 22, 2026
Committee
Rule 3-9(a) / Re-referred to Assignments
upper
May 6, 2026
Upper · Passed
Senate Committee Amendment No. 1 To AI and Social Media
upper
May 6, 2026
Upper · Passed
Senate Committee Amendment No. 1 Assignments Refers to Executive
upper
May 5, 2026
Committee
Senate Committee Amendment No. 1 Referred to Assignments
upper
May 5, 2026
Introduced
Senate Committee Amendment No. 1 Filed with Secretary by Sen. Chapin Rose
upper
Mar 27, 2026
Upper · Passed
Rule 2-10 Committee Deadline Established As April 24, 2026
upper
Mar 13, 2026
Upper · Passed
Rule 2-10 Committee Deadline Established As March 27, 2026
upper
Feb 24, 2026
Committee
Assigned to Executive
upper
Feb 6, 2026
Committee
Referred to Assignments
upper
1 primary · 6 co-sponsors
Sponsors
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