No. 25-1170October Term 2025Before Arguments
Winnemucca Indian Colony, Petitioner v. United States
from the United States Court of Appeals for the Federal Circuit.
Case status
- Current stage
- Before Arguments
- Latest event
- Accepted by the Court
- Decision timing
- No window until argument is scheduled.
- What it's about
from the United States Court of Appeals for the Federal Circuit.
Question presented
1. Is the United States’ promise to provide the Winnemucca Indian Colony, a federally recognized Tribe with lands held in trust established by an Executive Order and a separate legislative act, coupled with the government’s nearly exclusive statutory and regulatory control over the water on Indian lands, sufficient to entitle an Indian tribe to money damages when the United States breaches its fiduciary duty to protect the natural resources on those Indian lands? 2. Did the Federal Court of Appeals, Federal Circuit, err when it affirmed dismissal of the Winnemucca Indian Colony’s third claim for relief – Breach of Trust – Water? 3. Can the Winnemucca Indian Colony state a cognizable claim for breach of trust against the United States in relation to BIA failure to prevent trespass and theft of natural resources by third parties, under the Winters doctrine and 25 C.F.R. § 152.22?
- Case path
United States Court of Appeals for the Federal Circuit / Accepted by the Court
- Area
Supreme Court case awaiting argument
Timing
Expected by late June 2026, if argued this term
The Court granted review but has not yet scheduled oral argument. Once argued, the median case reaches a decision in 94 days. Nearly all cases are decided by the end of the term in which they are argued.
Briefing
What it's about
The Winnemucca Indian Colony is asking the Supreme Court to take a case about whether the United States can owe money damages when it allegedly fails to protect water and other natural resources on tribal trust land. The petition also says the Federal Circuit was wrong to uphold dismissal of the tribe's water-related breach-of-trust claim.
Argument
The case is still at the petition stage, and no oral argument is scheduled. The tribe argues that federal control over water and tribal trust land should support a money-damages claim for an alleged breach of trust.
Impact
The case could affect whether tribes can recover money from the federal government when officials allegedly fail to stop trespass or theft of water and other natural resources on Indian lands. For example, it could matter when third parties take resources from tribal land and the tribe says federal agencies did not protect them.
What is Winnemucca Indian Colony v. United States about?
It asks whether a tribe can get money damages from the United States for failing to protect water and other resources on trust land. The petition also challenges the Federal Circuit's dismissal of one breach-of-trust water claim.
How could this case affect tribes?
It could shape whether tribes may recover money when federal agencies do not stop trespass or resource theft on Indian lands. That matters when water or other natural resources are central to a tribe's land and daily needs.
What happens next in Winnemucca Indian Colony v. United States?
The justices must decide whether to grant certiorari (agree to hear the case). If they do, the Court would later schedule oral argument.
Related cases
Grounding
- Grounding
- Primary materials plus reporting.
- Note
- Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.
- Checked
- Jul 23, 2026
- Method
- Methodology