---
type: "Bill"
title: "Relating to: programs and requirements to address PFAS."
description: "Relating to: programs and requirements to address PFAS."
jurisdiction: "us/states/wi"
legislature: "Wisconsin Legislature"
session: "2025"
identifier: "AB 131"
citation: "Wisconsin AB 131 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Armstrong", "B. Jacobson", "Behnke", "Franklin", "Green", "Gundrum", "Knodl", "Maxey", "Mursau", "Novak", "O'Connor", "Spiros", "Steffen", "Swearingen", "Tucker", "Tusler"]
version_count: 2
action_count: 43
vote_count: 5
first_action: "2025-03-13T05:00:00+00:00"
last_action: "2026-04-06T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/f8f0712a-c7f0-4959-b76b-62bcd1c50983"
source_url: "https://docs.legis.wisconsin.gov/2025/proposals/reg/asm/bill/ab131"
source_hash: "b44cf269e91e52f8b2370d6a758ba5c64803c171d3c250a10e176337b2a45752"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wi"]
---

# Wisconsin AB 131 (2025) — Relating to: programs and requirements to address PFAS.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Assembly Substitute Amendment 2** (committee substitute) — [source](https://docs.legis.wisconsin.gov/document/amends/2025/REG/AB131-ASA2)
2. **Bill Text** (committee substitute) — [source](https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/AB131)

## Votes

- Report passage recommended by Committee on Environment, Ayes 4, Noes 2 — **4–2** (pass) · lower
- PASSAGE — **93–0** (pass) · lower
- Report concurrence recommended by Committee on Natural Resources, Veteran and Military Affairs, Ayes 5, Noes 0 — **5–0** (pass) · upper
- Public hearing requirement waived by committee on Senate Organization, pursuant to Senate Rule 18 (1m), Ayes 3, Noes 2 — **3–2** (pass) · upper
- Report concurrence recommended by Joint Committee on Finance, Ayes 12, Noes 0 — **12–0** (pass) · upper

## Sponsors

- Armstrong — primary (person)
- B. Jacobson — primary (person)
- Behnke — primary (person)
- Franklin — primary (person)
- Green — primary (person)
- Gundrum — primary (person)
- Knodl — primary (person)
- Maxey — primary (person)
- Mursau — primary (person)
- Novak — primary (person)
- O'Connor — primary (person)
- Spiros — primary (person)
- Steffen — primary (person)
- Swearingen — primary (person)
- Tucker — primary (person)
- Tusler — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-03-13T05:00:00+00:00** Introduced by Representatives Mursau, Swearingen, Armstrong, Behnke, Franklin, Green, Gundrum, B. Jacobson, Knodl, Maxey, Novak, O'Connor, Spiros, Steffen, Tucker and Tusler; cosponsored by Senators Wimberger, Cabral-Guevara, Felzkowski, Nass and Tomczyk `introduction`
- **2025-03-13T05:00:00+00:00** Read first time and referred to Committee on Environment `reading-1, referral-committee`
- **2025-03-14T05:00:00+00:00** Representative Kitchens added as a coauthor
- **2026-01-19T06:00:00+00:00** Assembly Substitute Amendment 1 offered by Representative Mursau
- **2026-01-21T06:00:00+00:00** Public hearing held
- **2026-02-18T06:00:00+00:00** Executive action taken
- **2026-02-18T06:00:00+00:00** Report passage recommended by Committee on Environment, Ayes 4, Noes 2 `committee-passage-favorable`
- **2026-02-18T06:00:00+00:00** Referred to committee on Rules `referral-committee`
- **2026-02-18T06:00:00+00:00** Made a special order of business at 11:06 AM on 2-19-2026 pursuant to Assembly Resolution 14
- **2026-02-19T06:00:00+00:00** Read a second time `reading-2`
- **2026-02-19T06:00:00+00:00** Representatives Billings, Miresse and Brown added as coauthors
- **2026-02-19T06:00:00+00:00** Assembly Substitute Amendment 2 offered by Representative Mursau
- **2026-02-19T06:00:00+00:00** Assembly Substitute Amendment 2 adopted `amendment-passage`
- **2026-02-19T06:00:00+00:00** Ordered to a third reading `reading-3`
- **2026-02-19T06:00:00+00:00** Rules suspended
- **2026-02-19T06:00:00+00:00** Read a third time and passed, Ayes 93, Noes 0 `passage, reading-3`
- **2026-02-19T06:00:00+00:00** Ordered immediately messaged
- **2026-02-23T06:00:00+00:00** Received from Assembly `receipt`
- **2026-02-27T06:00:00+00:00** Read first time and referred to committee on Natural Resources, Veteran and Military Affairs `referral-committee`
- **2026-03-05T06:00:00+00:00** Executive action taken
- **2026-03-06T06:00:00+00:00** Report concurrence recommended by Committee on Natural Resources, Veteran and Military Affairs, Ayes 5, Noes 0 `committee-passage-favorable`
- **2026-03-06T06:00:00+00:00** Available for scheduling
- **2026-03-10T05:00:00+00:00** Withdrawn from committee on Senate Organization and rereferred to joint committee on Finance pursuant to Senate Rule 46(2)(c)
- **2026-03-11T05:00:00+00:00** Executive action taken
- **2026-03-11T05:00:00+00:00** Report concurrence recommended by Joint Committee on Finance, Ayes 12, Noes 0 `committee-passage-favorable`
- **2026-03-11T05:00:00+00:00** Available for scheduling
- **2026-03-16T05:00:00+00:00** Public hearing requirement waived by committee on Senate Organization, pursuant to Senate Rule 18 (1m), Ayes 3, Noes 2
- **2026-03-16T05:00:00+00:00** Placed on calendar 3-17-2026 pursuant to Senate Rule 18(1)
- **2026-03-17T05:00:00+00:00** Senators Dassler-Alfheim, Carpenter and Smith added as cosponsors
- **2026-03-17T05:00:00+00:00** Read a second time `reading-2`
- **2026-03-17T05:00:00+00:00** Ordered to a third reading `reading-3`
- **2026-03-17T05:00:00+00:00** Rules suspended to give bill its third reading
- **2026-03-17T05:00:00+00:00** Read a third time and concurred in `passage, reading-3`
- **2026-03-17T05:00:00+00:00** Ordered immediately messaged
- **2026-03-18T05:00:00+00:00** Received from Senate concurred in `receipt`
- **2026-03-19T05:00:00+00:00** Senator Spreitzer added as a cosponsor
- **2026-03-19T05:00:00+00:00** Representative Neubauer added as a coauthor
- **2026-03-27T05:00:00+00:00** LRB correction (Assembly Substitute Amendment 2)
- **2026-03-27T05:00:00+00:00** Report correctly enrolled on 3-27-2026 `enrolled`
- **2026-04-02T05:00:00+00:00** Presented to the Governor on 4-2-2026 `executive-receipt`
- **2026-04-03T05:00:00+00:00** Representative Palmeri added as a coauthor
- **2026-04-06T05:00:00+00:00** Report approved by the Governor on 4-6-2026. 2026 Wisconsin Act 201 `executive-signature`
- **2026-04-06T05:00:00+00:00** Published 4-7-2026 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f8f0712a-c7f0-4959-b76b-62bcd1c50983`. Confidence: reported (aggregated from official Wisconsin legislature records).