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IL SB4004
Bill
Status
Introduced
2/6/2026
Primary Sponsor
Chapin Rose
Click for details
AI Summary
- Data centers in Illinois are prohibited from using water from the Mahomet Aquifer beginning January 1, 2027, and state agencies cannot issue or renew permits for such withdrawals.
- Existing data centers must cease all groundwater withdrawals from the Mahomet Aquifer by January 1, 2028 and transition to alternative sources such as reclaimed water, surface water, or air-cooled systems.
- Local governments are prohibited from entering into or enforcing nondisclosure agreements with data centers that restrict disclosure of water use information, including source, volume, and consumption data.
- Violations carry civil penalties of up to $50,000 plus $10,000 per day of continued violation, with funds directed to the Environmental Protection Trust Fund.
- The Illinois EPA must publish annual reports on statewide water consumption trends in data centers and is granted rulemaking authority to implement the Act.
Legislative Description
AQUIFER PROTECTION ACT
Last Action
Rule 2-10 Committee Deadline Established As March 27, 2026
3/13/2026
Committee Referrals
Executive2/24/2026
Assignments2/6/2026
Full Bill Text
No bill text available