SB4004 - 104th General Assembly (2025-2026)

AQUIFER PROTECTION ACT
Last Action
2/25/2026 - Senate: To AI and Social Media
Senate Sponsors
Sen. Chapin Rose
Statutes Amended In Order of Appearance
New Act  
Synopsis As Introduced
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.
Actions
DateChamberAction
2/06/2026SenateFiled with Secretary by Sen. Chapin Rose
2/06/2026SenateFirst Reading
2/06/2026SenateReferred to Assignments
2/24/2026SenateAssigned to Executive
2/25/2026SenateTo AI and Social Media
3/13/2026SenateRule 2-10 Committee Deadline Established As March 27, 2026
3/27/2026SenateRule 2-10 Committee Deadline Established As April 24, 2026