Texas v. New Mexico
141 S. Ct. 509 · Decided December 14, 2020 · 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
Texas v. New Mexico was decided on December 14, 2020 by a vote of 7–1. SCDB codes the disposition as “petition denied or appeal dismissed.” Justice Brett M. Kavanaugh wrote the opinion of the Court. SCDB classifies its main issue as “Non-real property dispute between states” in the Interstate Relations area.
Read the opinion
- CourtListener (Free Law Project) — opinion text
- Supreme Court of the United States — slip opinions, October Term 2020
Case details
- Citations
- 141 S. Ct. 509 · 208 L. Ed. 2d 343 · 2020 U.S. LEXIS 6091
- Docket number
- 22O65
- Decided
- December 14, 2020
- Argued
- October 5, 2020
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Petition denied or appeal dismissed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 7–1
- Majority opinion
- Brett M. Kavanaugh
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Original jurisdiction
- Issue (SCDB)
- Non-real property dispute between states
- Issue area
- Interstate Relations
- Legal provision
- Interstate compact
- Type of law
- Other
- Decision direction (SCDB)
- Unspecifiable what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Clarence Thomas | Majority | |
| Justice Stephen G. Breyer | Majority | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Dissent | Wrote an opinion |
| Justice Sonia Sotomayor | Majority | |
| Justice Elena Kagan | Majority | |
| Justice Neil M. Gorsuch | Majority | |
| Justice Brett M. Kavanaugh | Majority | Wrote an opinion |
Did not participate: Amy Coney Barrett.
Full case caption
Texas v. New Mexico
SCDB identifiers: case 2020-001, docket 2020-001-01.
Related decisions
Other cases on “Non-real property dispute between states”
- Florida v. Georgia
- Delaware v. Pennsylvania and Wisconsin
- Florida v. Georgia
- State of Montana v. State of Wyoming and State of North Dakota
- State of Montana v. State of Wyoming and State of North Dakota
- State of South Carolina v. State of North Carolina
Cases on the same legal provision: Interstate compact
- Montana v. Wyoming
- Tarrant Regional Water District v. Rudolf John Herrmann
- State of Alabama v. State of North Carolina.
- State of New Jersey v. State of Delaware
- State of New Jersey v. State of New York
- Carchman v. Nash
Same Term, same area (Interstate Relations)
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