HR 4090 · 119th Congress

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Critical Mineral Dominance Act

critical mineralsmining permitsrare earth mineralspublic landssupply chain security
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Last action 2026-02-05

Sponsored by Rep. Stauber, Pete [R-MN-8] (R) — MN

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The bill would direct the Interior Department to identify and expedite approval of mining projects on federal land for hardrock minerals like rare earths, prioritize projects that could quickest boost the domestic mineral supply chain, and review or rescind regulations seen as unduly burdensome to mining.

It would also require new reporting on the economic cost of U.S. reliance on imported minerals and push faster nationwide geologic mapping, reflecting a broader push to reduce U.S. dependence on foreign, especially adversarial, sources of critical minerals.

What this bill would do

What it would do

The bill would require the Secretary of the Interior, working with the Secretary of Agriculture, to compile lists of mining projects on federal land awaiting permits, identify which can be approved immediately, and take all necessary steps to expedite them. It would also require Interior to identify projects with potential to expand hardrock mineral or byproduct production, including from mine tailings or coal byproducts, and to identify federal lands with the greatest untapped mining potential, prioritizing those that could be permitted fastest and would most strengthen the domestic mineral supply chain. Separately, the bill would require Interior to review existing regulations for undue burdens on mining, suspend or rescind those found burdensome, recommend legislative changes, and review state and local laws that impede mining. It would also require an annual accounting of the cost of U.S. mineral import reliance and a push to accelerate geologic mapping nationwide. The bill directs studies, reports, and internal agency action rather than authorizing new spending or granting new permitting authority beyond existing law.

Key provisions

  1. 1Would require an annual report on the dollar value and economic impact of U.S. reliance on imported mineral commodities, added to future USGS Mineral Commodity SummariesSec. 3
  2. 2Would require Interior to list pending mining projects on federal land, identify which can be immediately approved, and expedite their approvalSec. 4
  3. 3Would require identifying mining projects with potential to boost hardrock mineral or byproduct production, including from tailings or coal byproducts, and a report on barriers to such productionSec. 4
  4. 4Would require identifying federal lands with hardrock mineral potential, prioritizing those quickest to permit and most beneficial to the domestic mineral supply chainSec. 5
  5. 5Would require reviewing and suspending, revising, or rescinding federal regulations deemed unduly burdensome to mining, plus recommendations for legislative changes and review of state/local barriersSec. 6
  6. 6Would direct Interior to prioritize accelerating nationwide geologic mapping focused on unknown hardrock mineral deposits and report on progressSec. 7

Who would be affected

Mining companies with pending or potential hardrock mineral projects on federal land, the Department of the Interior and Department of Agriculture (which manage that land), the U.S. Geological Survey, and communities and industries reliant on domestic supplies of critical minerals such as rare earths used in defense and manufacturing.

Why it matters

If enacted, mining companies could see faster federal permitting decisions and fewer regulatory obstacles, potentially accelerating new mines and expanded operations. Policymakers and the public would gain clearer data on the economic cost of mineral import dependence, informing future decisions on trade, national security, and industrial policy tied to critical minerals.

What would change

Agencies directed to act

Department of the InteriorDepartment of AgricultureUnited States Geological Survey

Effective dates

  • Report on economic cost of mineral import reliance due to CongressSec. 3Within 90 days of enactment
  • Inclusion of import-reliance data in USGS Mineral Commodity Summaries beginsSec. 3Fiscal year 2026
  • List of pending mining projects on federal land submitted, then annuallySec. 4Within 10 days of enactment
  • Identification and expedited approval of priority mining projectsSec. 4Within 10 days after project list submission
  • List of projects with byproduct/tailings production potential submittedSec. 4Within 10 days of enactment
  • Report on barriers to byproduct production from mining projectsSec. 4Within 1 year of enactment
  • Review of burdensome federal regulations on mining beginsSec. 6Within 90 days of enactment
  • Report on legislative recommendations and state/local law reviewSec. 6Within 180 days of enactment
  • Report on geologic mapping progress and completion estimateSec. 7Within 1 year of enactment

How implementation would work

Interior would work on a series of statutory deadlines: submitting project lists within 10 days of enactment and annually thereafter, approving or expediting priority projects within 10 days after that, reporting on import-reliance costs within 90 days, completing a regulatory burden review within 90 days and a related report within 180 days, and reporting on byproduct-production barriers and geologic mapping progress within one year. Interior must also begin implementing an action plan to suspend or rescind burdensome agency actions and would add import-reliance cost data to the U.S. Geological Survey's annual Mineral Commodity Summaries starting in 2026.

Legislative status & sources

Latest action

Received in the Senate and Read twice and referred to the Committee on Energy and Natural Resources.

2026-02-05

Official CRS summary

Show the CRS summary

This bill directs the Department of the Interior to address mineral supply chain vulnerabilities, including by accelerating and expanding mineral production on federal land (i.e., National Forest System land, public lands, and any land that may be leased for the exploration, development, or production of hardrock minerals).

Interior must (1) identify priority mining projects on federal lands that can be immediately approved, and (2) take all necessary and appropriate steps to expedite those projects.

Interior must also identify active, inactive, or proposed mining projects on federal land that have the potential to (1) increase production of hardrock minerals or their byproducts, (2) expand existing operations to include such byproducts, or (3) produce hardrock minerals from mine tailings or coal byproducts.

Further, Interior must identify certain federal land with potential for hardrock mining. Interior must prioritize identifying land where a mining project (1) can most quickly be fully permitted and operational, and (2) would have the greatest potential effect on the robustness of the domestic mineral supply chain.

Interior must (1) suspend, revise, or rescind agency actions that place undue burdens on mining projects; (2) recommend changes to current law necessary to expand U.S. production of hardrock minerals; and (3) review state and local laws that impede development of domestic mining and mineral exploration projects.

Interior must also report on the dollar value and overall economic impact of the United States' reliance on imports of certain mineral commodities.

Finally, Interior must prioritize efforts to accelerate geologic mapping.

From the Congressional Research Service.

Legislative subjects

Competitiveness, trade promotion, trade deficits; Economic performance and conditions; Energy; Geography and mapping; Government studies and investigations; Metals; Mining; Supply chain

Committee report

H. Rept. 119-387

Congressional Bill

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HR 4090: Critical Mineral Dominance Act | Legislation Reporter