Docket Room
SB 4004·IL·senate

AQUIFER PROTECTION ACT

In CommitteeFiled Feb 6, 2026
Sponsor: Chapin Rose (R)
Latest Action

Added as Co-Sponsor Sen. Paul Jacobs

Sep 2, 2026

Summary

The bill bans any data center in Illinois from withdrawing groundwater from the Mahomet Aquifer beginning Jan. 1, 2027 and requires existing centers to switch to other water sources by Jan. 1, 2028. It also stops state agencies from issuing permits for such withdrawals and prevents local governments from signing confidentiality agreements that hide water‑use information. The aim is to protect local water supplies and make data‑center water consumption publicly known.

AI-generated summary — may be incomplete or inaccurate. Verify against the official bill text.

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