Mining Regulatory Clarity Act
Passed first chamber: it can still change before the session ends.
- Stage
- Passed first chamber
- Started in
- House
- Sponsors
- 3
- Latest action
- Mar 17, 2026
What it does
Mining Regulatory Clarity Act This 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…
Official summary · Reported to House · Nov 25, 2025
Titles and provisions can change as the bill moves.
Where it stands
Introduced (Done)
Committee (Done)
Floor (Current step)
Law (Not started)
What moved
Who is involved
Sponsors
The lawmakers who put their names on it, lead sponsors first.
Where it goes next
While a bill can still move, the questions are about people and money.