Analyses / Prediction Analysis / 119 · HR 1366 Prediction Analysis

119-HR-1366 DC Insider Prediction Analysis

119 · HR 1366 Mining Regulatory Clarity Act

eco Environmental Protection
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...
House committee vote
25 yea (17 nay)
Union Calendar No.
336
Senate ENR action
1 Reported favorably (Apr 9, 2025)
Senate party split
53 R seats
Published
27 Nov 2025
Updated
27 Nov 2025
Tags
Congress-119th · Mining · Natural Resources
Unvetted
01 · Section

Passage Probability

House committee vote
25yea (17 nay)
Union Calendar No.
336
Senate ENR action
1Reported favorably (Apr 9, 2025)
Senate party split
53R seats
House control
1R majority (narrow)

- Overall enactment this Congress (through Dec 2026): 55–65%. Rationale: (a) measure is now reported and placed on the House Union Calendar; (b) bipartisan Senate companion ordered reported favorably; (c) unified Republican control and a White House signaling pro‑mining priorities. Offsetting risks are floor time, environmental opposition, and a 60‑vote Senate threshold if standalone. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…[5]Library of Congress — Congress.gov: S. 544 – Mining Regulatory Clarity Act (ord…[2]U.S. Senate — Senate.gov: Party Division – 119th Congress (Republicans 53)[3]Office of Sen. John Thune — Thune press release: First remarks as Senate Majori…[4]The White House — WhiteHouse.gov: Executive Order – Immediate Measures to Incre…

- House passage: ~65–75% once the bill receives a rule. The committee product is ready for floor scheduling, the issue set aligns with majority priorities, and there is at least some cross‑party cover from Nevada Democrats (one is a co‑sponsor). The principal uncertainty is slotting amid year‑end NDAA/appropriations work. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…[6]Library of Congress — Congress.gov: H.R. 1366 – All actions (House NR markup; 2…

- Senate passage: ~55–60% if brought to the floor this Congress. Senate ENR reported a bipartisan companion (S. 544) without amendment, but a cloture path still requires a bipartisan coalition; leadership has pledged to keep the filibuster. Expect movement via a small minerals/lands package rather than a clean floor vote. [5]Library of Congress — Congress.gov: S. 544 – Mining Regulatory Clarity Act (ord…[7]Associated Press — AP: 119th Congress opens; Johnson reelected; Thune pledges t…

02 · Section

Obstacles

  • Senate 60‑vote math. Even with GOP control, a standalone floor path must clear cloture; environmental opposition gives some Democrats little room, making packaging more attractive. [7]Associated Press — AP: 119th Congress opens; Johnson reelected; Thune pledges t…[8]Web search · turn 9 #0
  • Floor bandwidth. Late‑year windows are dominated by NDAA and appropriations/CRs; non‑must‑pass authorizations often slip to the next work period. [9]Web search · turn 8 #8[10]Web search · turn 8 #6
  • Policy pushback tied to the Rosemont line of cases. Opponents will frame the bill as legislatively reversing Ninth Circuit constraints on waste rock/tailings siting, mobilizing public‑lands and tribal advocates. [11]Justia — Justia: Ctr. for Biological Diversity v. U.S. FWS (Rosemont) – 9th Cir…[12]Web search · turn 9 #6
  • Potential budget/process flags. The bill creates an Abandoned Hardrock Mine Fund with spending “without further appropriations” off claim‑maintenance fee receipts to support IIJA §40704; while likely modest, direct‑spending labels can invite point‑of‑order scrutiny unless leadership packages/offsets. [13]Page view · turn 12 #0[14]Legal Information Institute — LII / Cornell: 30 U.S.C. §1245 – Abandoned hardro…
  • House margin management. A narrow GOP majority means leadership must minimize defections and manage amendment exposure via a structured rule. [15]Reuters — Reuters: Mike Johnson narrowly reelected Speaker; narrow House GOP ma…
03 · Section

Short‑Term Consequences (next 1–3 months)

  • If advanced to the House floor in December: expect a structured rule, limited amendment tree, and a mostly party‑line vote with a small Nevada‑centric bipartisan tail. Post‑passage, the House message will pressure the Senate to move its ENR product or accept the House text. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…
  • If it slips to early 2026: look for attachment to a narrow minerals/lands package assembled by Senate ENR (Lee/Heinrich) or by Public Lands, Forests & Mining (Barrasso/Cortez Masto), reducing cloture friction. [16]U.S. Senate ENR Committee — Energy.Senate.gov: ENR subcommittee assignments (11…[17]U.S. Senate ENR Committee — Energy.Senate.gov: Subcommittee on Public Lands, Fo…
  • If the bill temporarily stalls: opponents will cite Rosemont and NEPA themes to raise the political price; proponents will highlight supply‑chain and permitting certainty, leaning on Nevada delegation bipartisanship. [11]Justia — Justia: Ctr. for Biological Diversity v. U.S. FWS (Rosemont) – 9th Cir…[12]Web search · turn 9 #6[18]Web search · turn 6 #0
04 · Section

Long‑Term Consequences (if enacted)

  • Regulatory certainty on mill sites. Statutory authorization for multiple 5‑acre mill sites and waste/tailings siting "reasonably necessary" to operations would narrow room for post‑Rosemont litigation and standardize BLM/USFS plan‑approval practice. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…[11]Justia — Justia: Ctr. for Biological Diversity v. U.S. FWS (Rosemont) – 9th Cir…
  • Incremental AML funding. Claim‑maintenance fees paid on mill sites created under the act would flow to a new Treasury account and be available, without further appropriation, for IIJA §40704 abandoned hardrock mine work. Revenue scale depends on filings; administratively workable because fees already exist under 30 U.S.C. §28f. [13]Page view · turn 12 #0[14]Legal Information Institute — LII / Cornell: 30 U.S.C. §1245 – Abandoned hardro…[19]Legal Information Institute — LII / Cornell: 30 U.S.C. §28f – Claim maintenance…
  • Political positioning. Passage gives the Nevada delegation a tangible win with mining labor and industry; environmental groups will continue campaigns against mine‑adjacent siting and will litigate at the project level. [18]Web search · turn 6 #0[20]Web search · turn 9 #3
  • Executive alignment. A pro‑mining White House lowers veto risk and may accelerate implementation via DOI/BLM guidance once enacted. [4]The White House — WhiteHouse.gov: Executive Order – Immediate Measures to Incre…
05 · Section

Forecast

Procedural map anchored to current institutional control and measured leverage points.

  1. Most likely (≈60%): House passage under a structured rule in early 2026, followed by Senate inclusion in a compact minerals/lands package built out of ENR‑reported components. Conference or ping‑pong resolves minor differences (e.g., fund language/clericals). Signature likely. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…[5]Library of Congress — Congress.gov: S. 544 – Mining Regulatory Clarity Act (ord…[4]The White House — WhiteHouse.gov: Executive Order – Immediate Measures to Incre…
  2. Secondary (≈25%): Standalone House passage in Dec 2025 but Senate floor slippage; bill rides a later vehicle (public‑lands or permitting title attached to a moving omnibus). [21]Web search · turn 8 #2
  3. Lower‑probability (≈15%): Senate cloture fails on a standalone attempt or the measure is traded away amid negotiations over unrelated public‑lands provisions; bill rolls to the lame‑duck or next Congress. [7]Associated Press — AP: 119th Congress opens; Johnson reelected; Thune pledges t…
06 · Section

Sourcing (verified positions and procedural context)

  • Bill status/text: H.R. 1366 reported and on Union Calendar No. 336; House committee report No. 119‑386. [1]Library of Congress — Congress.gov: H.R. 1366 (Reported in House) – Union Calen…
  • House Natural Resources chair: Bruce Westerman (H. Res. 13 seating). [22]Web search · turn 1 #0
  • Senate control/leadership: GOP majority; Thune as Majority Leader; filibuster preserved. [2]U.S. Senate — Senate.gov: Party Division – 119th Congress (Republicans 53)[3]Office of Sen. John Thune — Thune press release: First remarks as Senate Majori…[7]Associated Press — AP: 119th Congress opens; Johnson reelected; Thune pledges t…
  • Senate ENR chair/subcommittee jurisdiction and composition relevant to mining. [16]U.S. Senate ENR Committee — Energy.Senate.gov: ENR subcommittee assignments (11…[17]U.S. Senate ENR Committee — Energy.Senate.gov: Subcommittee on Public Lands, Fo…
  • Senate companion: S. 544 (Cortez Masto et al.) ordered reported favorably. [5]Library of Congress — Congress.gov: S. 544 – Mining Regulatory Clarity Act (ord…
  • Judicial backdrop: Ninth Circuit’s Rosemont decision constraining waste/tailings siting on invalid claims. [11]Justia — Justia: Ctr. for Biological Diversity v. U.S. FWS (Rosemont) – 9th Cir…
  • IIJA §40704 program authority for AML work; claim‑maintenance fee statute. [14]Legal Information Institute — LII / Cornell: 30 U.S.C. §1245 – Abandoned hardro…[19]Legal Information Institute — LII / Cornell: 30 U.S.C. §28f – Claim maintenance…
  • White House policy alignment toward increased domestic mineral production. [4]The White House — WhiteHouse.gov: Executive Order – Immediate Measures to Incre…
Sources cited
  1. [1] Congress.gov: H.R. 1366 (Reported in House) – Union Calendar No. 336; H. Rept. 119-386 Library of Congress
  2. [2] Senate.gov: Party Division – 119th Congress (Republicans 53) U.S. Senate
  3. [3] Thune press release: First remarks as Senate Majority Leader (Jan. 3, 2025) Office of Sen. John Thune
  4. [4] WhiteHouse.gov: Executive Order – Immediate Measures to Increase American Mineral Production (Mar. 20, 2025) The White House
  5. [5] Congress.gov: S. 544 – Mining Regulatory Clarity Act (ordered reported favorably) Library of Congress
  6. [6] Congress.gov: H.R. 1366 – All actions (House NR markup; 25–17 vote) Library of Congress
  7. [7] AP: 119th Congress opens; Johnson reelected; Thune pledges to preserve filibuster Associated Press
  8. [8] Web search · turn 9 #0
  9. [9] Web search · turn 8 #8
  10. [10] Web search · turn 8 #6
  11. [11] Justia: Ctr. for Biological Diversity v. U.S. FWS (Rosemont) – 9th Cir. (2022) Justia
  12. [12] Web search · turn 9 #6
  13. [13] Page view · turn 12 #0
  14. [14] LII / Cornell: 30 U.S.C. §1245 – Abandoned hardrock mine reclamation (IIJA §40704) Legal Information Institute
  15. [15] Reuters: Mike Johnson narrowly reelected Speaker; narrow House GOP majority Reuters
  16. [16] Energy.Senate.gov: ENR subcommittee assignments (119th) – Chair Mike Lee; PLFM Chair Barrasso U.S. Senate ENR Committee
  17. [17] Energy.Senate.gov: Subcommittee on Public Lands, Forests, and Mining – jurisdiction/members U.S. Senate ENR Committee
  18. [18] Web search · turn 6 #0
  19. [19] LII / Cornell: 30 U.S.C. §28f – Claim maintenance fee Legal Information Institute
  20. [20] Web search · turn 9 #3
  21. [21] Web search · turn 8 #2
  22. [22] Web search · turn 1 #0

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