# Illinois HB4523: PFAS-CONTAINING PESTICIDES

Illinois HB4523, PFAS-CONTAINING PESTICIDES, is a 104th General Assembly (2025–2026) House bill sponsored by Diane Blair-Sherlock (Democratic); status in committee, last action 2026-09-04 (Added Co-Sponsor Rep. Laura Faver Dias) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-HB4523-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois HB4523
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: PFAS-CONTAINING PESTICIDES
- Status: in committee
- Chamber: House
- Introduced: 2026-01-21
- Last action: 2026-09-04, Added Co-Sponsor Rep. Laura Faver Dias
- Sponsor: Diane Blair-Sherlock (Democratic)
- Cosponsors: 3
- Subjects: energy & environment
- Touches household money: no
- Economic provisions PRIA read: 0

## 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 overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Diane Blair-Sherlock (Democratic), House
- Cosponsor: Laura Faver Dias (Democratic), House
- Cosponsor: Lilian Jiménez (Democratic), House
- Cosponsor: Michelle Mussman (Democratic), House

## Actions (8)

- 2026-09-04: Added Co-Sponsor Rep. Laura Faver Dias (House)
- 2026-03-27: Rule 19(a) / Re-referred to Rules Committee (House)
- 2026-03-09: Added Co-Sponsor Rep. Lilian Jiménez (House)
- 2026-02-27: Added Co-Sponsor Rep. Michelle Mussman (House)
- 2026-02-11: Assigned to Energy & Environment Committee (House)
- 2026-01-30: Referred to Rules Committee (House)
- 2026-01-30: First Reading (House)
- 2026-01-21: Filed with the Clerk by Rep. Diane Blair-Sherlock (House)

## Bill text

- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB4523.pdf)

## Related bills

- HB5198: AFFORDABLE HOUSING-CILAS (passed house)
- SB1937: PENSION CODE-VARIOUS (passed senate)
- HB2563: CONDO-RESERVE STUDY (in committee)
- HB4701: LIMITATIONS FACILITY FEES ACT (in committee)
- SB3008: DHS-ABLE PROGRAM INFO MATERIAL (passed senate)
- SB3484: VEH CD-PLATES-REGISTRATION (signed)

## Sources
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB4523.pdf)

## Related
- [HB5198: AFFORDABLE HOUSING-CILAS](https://policyrisk.com/state-bill/IL-HB5198-2025-2026)
- [SB1937: PENSION CODE-VARIOUS](https://policyrisk.com/state-bill/IL-SB1937-2025-2026)
- [HB2563: CONDO-RESERVE STUDY](https://policyrisk.com/state-bill/IL-HB2563-2025-2026)
- [HB4701: LIMITATIONS FACILITY FEES ACT](https://policyrisk.com/state-bill/IL-HB4701-2025-2026)
- [SB3008: DHS-ABLE PROGRAM INFO MATERIAL](https://policyrisk.com/state-bill/IL-SB3008-2025-2026)
- [SB3484: VEH CD-PLATES-REGISTRATION](https://policyrisk.com/state-bill/IL-SB3484-2025-2026)
- [Illinois bills](https://policyrisk.com/states/illinois/bills)
- [Illinois state hub](https://policyrisk.com/states/illinois)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IL-HB4523-2025-2026 (as of 2026-11-01).