Illinois 104th Regular Session Status: In Committee 7 R cosponsors

SB 4004 — AQUIFER PROTECTION ACT

Last action — Added as Co-Sponsor Sen. Erica Harriss

  1. ✓
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill is in committee in the Senate. Introduced February 06, 2026. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the Senate.

Prognosis

Stalled 26% · moderate confidence

Where this bill stands today.

Odds of enactment

Low

How often bills like it became law.

  • In Committee

    Current position in the legislative process.

  • 7 sponsors

    1 primary, 6 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (7 R).

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

In plain language

The bill focuses on protecting aquifers from contamination and depletion.

This legislation aims to establish measures for the protection of aquifers, ensuring their integrity and long-term sustainability. It addresses risks associated with contamination and depletion.

What this means for you
  • Environment: This means measures will be put in place to protect water resources, promoting a healthier ecosystem.

Bill Text

Amendments

1 amendment

Click Show changes on an amendment above to see how it modifies the bill.

Action History

  1. Added as Co-Sponsor Sen. Erica Harriss

  2. Added as Co-Sponsor Sen. Sue Rezin

  3. Added as Co-Sponsor Sen. Darby A. Hills

  4. Added as Co-Sponsor Sen. Terri Bryant

  5. Added as Chief Co-Sponsor Sen. Sally J. Turner

  6. Added as Co-Sponsor Sen. Chris Balkema

  7. Senate Committee Amendment No. 1 Rule 3-9(a) / Re-referred to Assignments

  8. Rule 3-9(a) / Re-referred to Assignments

  9. Rule 2-10 Committee/3rd Reading Deadline Established As May 22, 2026

  10. Senate Committee Amendment No. 1 To AI and Social Media

  11. Senate Committee Amendment No. 1 Assignments Refers to Executive

  12. Senate Committee Amendment No. 1 Referred to Assignments

  13. Senate Committee Amendment No. 1 Filed with Secretary by Sen. Chapin Rose

  14. Rule 2-10 Committee/3rd Reading Deadline Established As May 15, 2026

  15. Rule 2-10 Committee Deadline Established As April 24, 2026

  16. Rule 2-10 Committee Deadline Established As March 27, 2026

  17. To AI and Social Media

  18. Assigned to Executive

  19. Referred to Assignments

  20. First Reading

  21. Filed with Secretary by Sen. Chapin Rose

Sponsors

Sponsorship breakdown

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1 sponsors · 6 co-sponsors · 176 not signed on

Sponsors (1)

Co-sponsors (6)

Not signed on (176)

176 members have not signed on to this bill.

Show all 176 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

environment agriculture
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

Who sponsors SB 4004?
SB 4004 is sponsored by Chapin Rose (Republican), Sally J. Turner (Republican), Chris Balkema (Republican), Terri Bryant (Republican), Darby A. Hills (Republican), Sue Rezin (Republican), and Erica Harriss (Republican).
What is the current status of SB 4004?
This bill is in committee in the Senate. Introduced February 06, 2026. It must pass committee before a floor vote.
Where can I track SB 4004?
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Last checked for changes 3 months ago · updated continuously

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