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MontanaHB 61669th Legislature, Regular Session (2025)House

Allow data modeling for mine bond release

Sponsored By: Steve Gist (Republican)

Signed by Governor

Environmental ProtectionMining and MineralsRule Making

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Bill Overview

Analyzed Economic Effects

2 provisions identified: 1 benefits, 0 costs, 1 mixed.

Modeling can support mine bond release

Mine permittees can include predictive modeling with monitoring data when applying to release a performance bond. The Department of Environmental Quality (DEQ) must find the methods acceptable. Modeling can help estimate soil replacement costs, silt-dam needs, and whether areas add sediment. Modeling can replace sediment sampling only if DEQ approves it.

Law void if federal government disapproves

If the U.S. Secretary of the Interior disapproves this law under 30 CFR 732, the law becomes void. The Department of Environmental Quality must notify the code commissioner within 15 days of that disapproval.

Sponsors & Cosponsors

Sponsor

  • Steve Gist

    Republican • House

Cosponsors

  • Daniel Zolnikov

    Republican • Senate

Roll Call Votes

All Roll Calls

Yes: 273 • No: 25

Senate vote • 4/15/2025

Do Concur

Yes: 49 • No: 1

Senate vote • 4/14/2025

Do Concur

Yes: 50 • No: 0

House vote • 3/7/2025

Vote

Yes: 90 • No: 9

House vote • 3/6/2025

Do Pass

Yes: 84 • No: 15

Actions Timeline

  1. Chapter Number Assigned

    5/5/2025House

  2. Signed by Governor

    5/1/2025House

  3. Transmitted to Governor

    4/24/2025House

  4. Signed by President

    4/24/2025Senate

  5. Signed by Speaker

    4/23/2025House

  6. Returned from Enrolling

    4/18/2025House

  7. Sent to Enrolling

    4/15/2025House

  8. 3rd Reading

    4/15/2025Senate

  9. 2nd Reading

    4/14/2025Senate

  10. Committee Report

    4/12/2025Senate

  11. Committee Executive Action

    4/11/2025Senate

  12. Hearing

    3/21/2025Senate

  13. Referred to Committee

    3/14/2025Senate

  14. 1st Reading

    3/14/2025Senate

  15. Transmitted to Senate

    3/7/2025House

  16. 3rd Reading

    3/7/2025House

  17. 2nd Reading

    3/6/2025House

  18. Committee Report

    3/1/2025House

  19. Committee Executive Action

    2/28/2025House

  20. Hearing

    2/24/2025House

  21. 1st Reading

    2/21/2025House

  22. Referred to Committee

    2/21/2025House

  23. Introduced

    2/20/2025House

Bill Text

  • Enrolled

    4/16/2025

    PDF

  • Introduced

    2/20/2025

    PDF

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