# Montana HJ 44: Interim study of endocrine-disrupting chemicals and water quality

Montana HJ 44, Interim study of endocrine-disrupting chemicals and water quality, is a 69th Legislature, Regular Session (2025) House bill sponsored by Zack Wirth (Republican); status adopted, last action 2025-05-06 (Filed with Secretary of State) (as of 2026-10-12).

- Canonical: https://policyrisk.com/state-bill/MT-HJ44-2025
- As of: 2026-10-12
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana HJ 44
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Interim study of endocrine-disrupting chemicals and water quality
- Status: adopted
- Chamber: House
- Introduced: 2025-04-02
- Last action: 2025-05-06, Filed with Secretary of State
- Sponsor: Zack Wirth (Republican)
- Cosponsors: 1
- Subjects: Interim Study Resolutions, Water, Environmental Protection
- Touches household money: no
- Roll calls: 4 (263 yes, 35 no in all)
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Zack Wirth (Republican), House
- Cosponsor: Bruce "Butch" Gillespie (Republican), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-30 | Senate | Do Concur | pass | 40 | 9 |   |
| 2025-04-29 | Senate | Do Concur | pass | 41 | 9 |   |
| 2025-04-23 | House | Do Pass | pass | 88 | 11 |   |
| 2025-04-22 | House | Do Pass | pass | 94 | 6 |   |

## Actions (20)

- 2025-05-06: Filed with Secretary of State (House)
- 2025-05-06: Signed by President (Senate)
- 2025-05-05: Signed by Speaker (House)
- 2025-05-02: Returned from Enrolling (House)
- 2025-04-30: Sent to Enrolling (House)
- 2025-04-30: 3rd Reading (Senate)
- 2025-04-29: 2nd Reading (Senate)
- 2025-04-29: Committee Report (Senate)
- 2025-04-28: Committee Executive Action (Senate)
- 2025-04-28: Hearing (Senate)
- 2025-04-23: Referred to Committee (Senate)
- 2025-04-23: Transmitted to Senate (House)
- 2025-04-23: 3rd Reading (House)
- 2025-04-22: 2nd Reading (House)
- 2025-04-15: Committee Report (House)
- 2025-04-14: Committee Executive Action (House)
- 2025-04-08: Hearing (House)
- 2025-04-03: 1st Reading (House)
- 2025-04-03: Referred to Committee (House)
- 2025-04-02: Introduced (House)

## Bill text

- Enrolled, 2025-05-01: [PDF](https://docs.legmt.gov/download-ticket?ticketId=3371c55d-a57a-4469-8b2c-a34729729fb0)
- As Amended (Version 2), 2025-04-15: [PDF](https://docs.legmt.gov/download-ticket?ticketId=71603c35-0094-4d69-b9d7-3578331d7bc9)
- Introduced, 2025-04-02: [PDF](https://docs.legmt.gov/download-ticket?ticketId=164bbfba-6a27-479a-9bbd-1c61f3b90c08)

## Related bills

- SB 437: Revise definition of sex in Montana law (signed)
- HB 831: Increase elderly homeowner and renter income tax credit (vetoed)
- HB 628: Revise early literacy targeted intervention laws (vetoed)
- SB 410: Provide for Montana genomic security act (vetoed)
- SB 424: Revising the disabled veteran property tax assistance program (vetoed)
- SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed)

## Sources
- [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=3371c55d-a57a-4469-8b2c-a34729729fb0)
- [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=71603c35-0094-4d69-b9d7-3578331d7bc9)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=164bbfba-6a27-479a-9bbd-1c61f3b90c08)

## Related
- [SB 437: Revise definition of sex in Montana law](https://policyrisk.com/state-bill/MT-SB437-2025)
- [HB 831: Increase elderly homeowner and renter income tax credit](https://policyrisk.com/state-bill/MT-HB831-2025)
- [HB 628: Revise early literacy targeted intervention laws](https://policyrisk.com/state-bill/MT-HB628-2025)
- [SB 410: Provide for Montana genomic security act](https://policyrisk.com/state-bill/MT-SB410-2025)
- [SB 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025)
- [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025)
- [Montana bills](https://policyrisk.com/states/montana/bills)
- [Montana state hub](https://policyrisk.com/states/montana)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/MT-HJ44-2025 (as of 2026-10-12).