# Montana HB 587: Revise mine reclamation laws

Montana HB 587, Revise mine reclamation laws, is a 69th Legislature, Regular Session (2025) House bill sponsored by Gary Parry (Republican); status signed, last action 2025-05-14 (Chapter Number Assigned) (as of 2026-10-19).

- Canonical: https://policyrisk.com/state-bill/MT-HB587-2025
- As of: 2026-10-19
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Montana HB 587
- State: Montana
- Session: 69th Legislature, Regular Session (2025)
- Title: Revise mine reclamation laws
- Status: signed
- Chamber: House
- Introduced: 2025-02-19
- Last action: 2025-05-14, Chapter Number Assigned
- Sponsor: Gary Parry (Republican)
- Cosponsors: 1
- Subjects: Environmental Protection, Mining and Minerals, Rule Making
- Touches household money: no
- Roll calls: 4 (173 yes, 125 no in all)
- Economic provisions PRIA read: 3

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Stronger water and land safeguards: benefit, low. The law tightens what counts as “material damage” outside a mine’s permit area. It protects surface and groundwater uses, alluvial valley farm lands, and buildings from measurable harm. It also requires solid hydrologic data for permit review. The department uses federal or state data when availabl…
- Proof of money for mine cleanup: cost, low. Mining permit applicants must show bonding or other financial assurance for reclamation. The department sets what proof counts by rule. This ensures funds are available to clean up mines under sections 82-4-231 to 82-4-234.
- Federal check and immediate, retroactive mining rules: mixed, low. Any part of this law is void if the U.S. Secretary of the Interior disapproves it under 30 CFR 732. The department must notify the code commissioner within 15 days of that disapproval. The law takes effect on passage and approval. It also applies to pending but undecided court reviews and related a…

## Sponsors and cosponsors

- Sponsor: Gary Parry (Republican), House
- Cosponsor: Barry Usher (Republican), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-16 | Senate | Do Concur | pass | 32 | 18 |   |
| 2025-04-15 | Senate | Do Concur | pass | 30 | 20 |   |
| 2025-03-07 | House | Do Pass | pass | 55 | 44 |   |
| 2025-03-05 | House | Do Pass | pass | 56 | 43 |   |

## Actions (24)

- 2025-05-14: Chapter Number Assigned (House)
- 2025-05-05: Signed by Governor (House)
- 2025-04-25: Transmitted to Governor (House)
- 2025-04-25: Signed by President (Senate)
- 2025-04-24: Signed by Speaker (House)
- 2025-04-19: Returned from Enrolling (House)
- 2025-04-16: Sent to Enrolling (House)
- 2025-04-16: 3rd Reading (Senate)
- 2025-04-15: 2nd Reading (Senate)
- 2025-04-14: 2nd Reading Pass Consideration (Senate)
- 2025-04-12: Committee Report (Senate)
- 2025-04-11: Committee Executive Action (Senate)
- 2025-03-20: Hearing (Senate)
- 2025-03-14: Referred to Committee (Senate)
- 2025-03-14: 1st Reading (Senate)
- 2025-03-07: Transmitted to Senate (House)
- 2025-03-07: 3rd Reading (House)
- 2025-03-05: 2nd Reading (House)
- 2025-03-03: Committee Report (House)
- 2025-03-03: Committee Executive Action (House)
- 2025-02-24: Hearing (House)
- 2025-02-20: 1st Reading (House)
- 2025-02-20: Referred to Committee (House)
- 2025-02-19: Introduced (House)

## Bill text

- Enrolled, 2025-04-17: [PDF](https://docs.legmt.gov/download-ticket?ticketId=3be3c987-f75d-415d-a182-417ffad38b87)
- Introduced, 2025-02-19: [PDF](https://docs.legmt.gov/download-ticket?ticketId=1604052d-c43b-4f09-8ab2-7eea3a179d71)

## 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=3be3c987-f75d-415d-a182-417ffad38b87)
- [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=1604052d-c43b-4f09-8ab2-7eea3a179d71)

## 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-HB587-2025 (as of 2026-10-19).