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H.R. 1366 House Environmental Protection

Mining Regulatory Clarity Act of 2025

Introduced
Feb 14, 2025
Sponsor
Rep. Amodei, Mark E. (R-NV-2)
View on Congress.gov

STAGE 4 OF 8 — HOUSE FLOOR

Currently in the House. Last action: read twice. placed on senate legislative calendar under general orders. calendar no. 357 on Mar 17, 2026.

  1. House Introduced in House Feb 14, 2025
  2. House Referred to the House Committee on Natural Resources. Feb 14, 2025
  3. House Referred to the Subcommittee on Energy and Mineral Resources. Aug 29, 2025
  4. House Subcommittee Hearings Held Sep 3, 2025
  5. House Subcommittee on Energy and Mineral Resources Discharged Sep 17, 2025
  6. House Committee Consideration and Mark-up Session Held Sep 17, 2025
  7. House Ordered to be Reported (Amended) by the Yeas and Nays: 25 - 17. Sep 17, 2025
  8. House Reported (Amended) by the Committee on Natural Resources. H. Rept. 119-386. Nov 25, 2025
  9. House Placed on the Union Calendar, Calendar No. 336. Nov 25, 2025
  10. House Rules Committee Resolution H. Res. 951 Reported to House. Rule provides for consideration of H.R. 4776, H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632 and H.R. 4371. The resolution provides for consideration of H.R. 4776, under a structured rule and H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632, and H.R. 4371 under a closed rule. The resolution provides one motion to recommit on each bill. Dec 16, 2025
  11. House Considered under the provisions of rule H. Res. 951. (consideration: CR H6044-6049) Dec 18, 2025
  12. House Rule provides for consideration of H.R. 4776, H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632 and H.R. 4371. The resolution provides for consideration of H.R. 4776, under a structured rule and H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632, and H.R. 4371 under a closed rule. The resolution provides one motion to recommit on each bill. Dec 18, 2025
  13. House DEBATE - The House proceeded with one hour of debate on H.R. 1366. Dec 18, 2025
  14. House The previous question was ordered pursuant to the rule. Dec 18, 2025
  15. House Ms. Leger Fernandez moved to recommit to the Committee on Natural Resources. (text: CR H6049) Dec 18, 2025
  16. House The previous question on the motion to recommit was ordered pursuant to clause 2(b) of rule XIX. Dec 18, 2025
  17. House POSTPONED PROCEEDINGS - At the conclusion of debate on H.R. 1366, the Chair put the question on motion to recommit and by voice vote announced the noes had prevailed. Ms. Leger Fernandez demanded the yeas and nays and the Chair postponed further proceedings until a time to be announced. Dec 18, 2025
  18. House Considered as unfinished business. (consideration: CR H6069-6070) Dec 18, 2025
  19. House On motion to recommit Failed by the Yeas and Nays: 205 - 213 (Roll no. 357). Dec 18, 2025
  20. House Passed/agreed to in House: On passage Passed by the Yeas and Nays: 219 - 198 (Roll no. 358). Dec 18, 2025
  21. House On passage Passed by the Yeas and Nays: 219 - 198 (Roll no. 358). (text of amendment in the nature of a substitute: CR H6044) Dec 18, 2025
  22. House Motion to reconsider laid on the table Agreed to without objection. Dec 18, 2025
  23. Senate Received in the Senate. Dec 18, 2025
  24. House
    On Motion to Recommit Dec 18, 2025
    Defeated Yea 205 Nay 213 Roll Call
  25. House
    On Passage Dec 18, 2025
    Agreed Yea 219 Nay 198 Roll Call
  26. Senate Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 357. Mar 17, 2026

Cosponsors

2

Subjects

Government trust fundsLand use and conservationMining

Committees

  • Natural Resources Committee
    • Unknown , Dec 18, 2025
    • Unknown , Dec 18, 2025
    • Reported By , Nov 25, 2025
    • Markup By , Sep 17, 2025
    • Discharged from , Sep 17, 2025
    • Referred To , Feb 14, 2025

Summary

Mining Regulatory Clarity ActThis bill allows mining operators to use federal lands for activities ancillary to mining, such as waste disposal, regardless of whether those lands contain mineral deposits valuable enough to be mined (mineral validity). It also establishes the Abandoned Hardrock Mine Fund.The bill addresses a 2022 decision in the U.S. Court of Appeals for the Ninth Circuit related to the Rosemont Copper Mine in Arizona (commonly known as the Rosemont decision, described further in CRS Report R48166). The court held that mining claims are only allowed where mineral validity has been established and that mill site claims are more appropriate means for establishing a mining waste disposal site under the Mining Act.The bill allows a mining operator to (1) locate and include within its plan of operations as many mill site claims (e.g., areas for waste rock disposal) as are reasonably necessary for its operations, and (2) use or occupy public land in accordance with an approved plan of operations.Additionally, the bill requires any revenue generated from fees for such mill site claims to be deposited into the Abandoned Hardrock Mine Fund. The Department of the Interior must use the fund for certain abandoned hardrock mine reclamation activities.

Summary as of: Reported to House

Bill Text

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