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Illinois · 104th Regular Session · Bill

SB 4004: AQUIFER PROTECTION ACT

In committee Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

SB 4004 is a bill introduced in the Illinois Senate on February 6, 2026. According to its official title, it concerns: AQUIFER PROTECTION ACT. Primary sponsor: Chapin Rose (Republican). It lists 7 additional sponsors. Most recent recorded action (September 2, 2026): Added as Co-Sponsor Sen. Paul Jacobs.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Sponsors

Sponsors by party (alphabetical): Republican 8

NameRolePartyChamberDistrict
Chapin RosePrimary sponsorRepublicanSenate51
Chris BalkemaCo-sponsorRepublicanSenate53
Terri BryantCo-sponsorRepublicanSenate58
Erica HarrissCo-sponsorRepublicanSenate56
Darby HillsCo-sponsorRepublicanSenate26
Paul JacobsCo-sponsorRepublicanSenate59
Sue RezinCo-sponsorRepublicanSenate38
Sally TurnerCo-sponsorRepublicanSenate44

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. Added as Co-Sponsor Sen. Paul Jacobs
  2. Added as Co-Sponsor Sen. Erica Harriss
  3. Added as Co-Sponsor Sen. Sue Rezin
  4. Added as Co-Sponsor Sen. Darby A. Hills
  5. Added as Co-Sponsor Sen. Terri Bryant
  6. Added as Chief Co-Sponsor Sen. Sally J. Turner
  7. Added as Co-Sponsor Sen. Chris Balkema
  8. Senate Committee Amendment No. 1 Rule 3-9(a) / Re-referred to Assignments
  9. Rule 3-9(a) / Re-referred to Assignments
  10. Rule 2-10 Committee/3rd Reading Deadline Established As May 22, 2026
  11. Senate Committee Amendment No. 1 To AI and Social Media
  12. Senate Committee Amendment No. 1 Assignments Refers to Executive

Showing 12 most recent of 22 actions. Full history

Sources

  1. Open States / Plural (data from the official legislature website)
  2. Official legislature source