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United States v. Idaho

508 U.S. 1 · Decided May 3, 1993 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

United States v. Idaho was decided on May 3, 1993 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Chief Justice William H. Rehnquist wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state legislation or regulation” in the Federalism area.

Read the opinion

Case details

Citations
508 U.S. 1 · 113 S. Ct. 1893 · 123 L. Ed. 2d 563 · 1993 U.S. LEXIS 3125
Docket number
92-190
Decided
May 3, 1993
Argued
March 29, 1993
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
9–0 (unanimous)
Majority opinion
William H. Rehnquist
Opinion assigned by
William H. Rehnquist
How the case arrived
Certiorari
Issue area
Federalism
Legal provision
43 U.S.C. § 666
Type of law
Infrequently litigated statute
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

United States v. Idaho, ex Rel. Director, Idaho Department of Water Resources

SCDB identifiers: case 1992-063, docket 1992-063-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error