Illinois 104th General Assembly Status: Introduced 3 D cosponsors

HB4523      — PFAS-CONTAINING PESTICIDES

Last action — Added Co-Sponsor Rep. Laura Faver Dias

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

This bill has been introduced in the House. Introduced January 21, 2026. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Not enough signal yet

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

In plain language

The bill restricts pesticides containing PFAS chemicals in Illinois.

This bill requires pesticide registrants to disclose any PFAS content in their products. It prohibits the registration and use of pesticides containing intentionally added PFAS and will extend this prohibition to certain spray adjuvants by 2030.

What this means for you
  • Environment: This bill aims to minimize harmful chemical exposure in agricultural practices.

Summary

Amends the Illinois Pesticide Act. Provides that the statements that are to be provided by pesticide registrants under the Act must include either a specific statement that the pesticide to be registered contains no PFAS or, if the pesticide (including its active and inert ingredients) contains any PFAS, certain information regarding the PFAS, including the name of the specific chemical and the quantity of the chemical in the product. Provides that the Director of Agriculture shall not register any pesticide product that contains a chemical that is an intentionally added PFAS and that the use of any pesticide that contains any chemical that is an intentionally added PFAS is prohibited. Further provides, beginning January 1, 2030, that the use of any spray adjuvant that contains intentionally added PFAS is prohibited. Requires the Department of Agriculture to adopt rules to implement these provisions. Defines "PFAS" and "intentionally added PFAS".

Bill Text

We don't have the full text on file for this bill yet.

Read HB4523 on the official Illinois source →

Action History

  1. Added Co-Sponsor Rep. Laura Faver Dias

  2. Rule 19(a) / Re-referred to Rules Committee

  3. Added Co-Sponsor Rep. Lilian Jiménez

  4. Added Co-Sponsor Rep. Michelle Mussman

  5. Assigned to Energy & Environment Committee

  6. Referred to Rules Committee

  7. First Reading

  8. Filed with the Clerk by Rep. Diane Blair-Sherlock

Sponsors

Sponsorship breakdown

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1 sponsors · 3 co-sponsors · 179 not signed on

Sponsors (1)

Co-sponsors (3)

Not signed on (179)

179 members have not signed on to this bill.

Show all 179 →

"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

What does HB4523      do?
Amends the Illinois Pesticide Act. Provides that the statements that are to be provided by pesticide registrants under the Act must include either a specific statement that the pesticide to be registered contains no PFAS or, if the pesticide (including its active and inert ingredients) contains any PFAS, certain information regarding the PFAS, including the name of the specific chemical and the quantity of the chemical in the product. Provides that the Director of Agriculture shall not register any pesticide product that contains a chemical that is an intentionally added PFAS and that the use of any pesticide that contains any chemical that is an intentionally added PFAS is prohibited. Further provides, beginning January 1, 2030, that the use of any spray adjuvant that contains intentionally added PFAS is prohibited. Requires the Department of Agriculture to adopt rules to implement these provisions. Defines "PFAS" and "intentionally added PFAS".
Who sponsors HB4523     ?
HB4523      is sponsored by Laura Faver Dias, Diane Blair-Sherlock (Democrat), Michelle Mussman (Democrat), and Lilian Jiménez (Democrat).
What is the current status of HB4523     ?
This bill has been introduced in the House. Introduced January 21, 2026. It must pass committee before a floor vote.
Where can I track HB4523     ?
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Last checked for changes about 1 month ago · updated continuously

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