Texas v. New Mexico and Colorado
138 S. Ct. 954 · Decided March 5, 2018 · 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 and Colorado was decided on March 5, 2018 unanimously (9–0). Justice Neil M. Gorsuch wrote the opinion of the Court. SCDB classifies its main issue as “Miscellaneous interstate conflict” in the Interstate Relations area.
Read the opinion
- CourtListener (Free Law Project) — opinion text
- Supreme Court of the United States — slip opinions, October Term 2017
Case details
- Citations
- 138 S. Ct. 954 · 200 L. Ed. 2d 235 · 2018 U.S. LEXIS 1518
- Docket number
- 22O141
- Decided
- March 5, 2018
- Argued
- January 8, 2018
- Court era
- Roberts Court
- Decision type
- Opinion of the Court (orally argued)
- Outcome for petitioner
- Favorable disposition unclear
- Vote
- 9–0 (unanimous)
- Majority opinion
- Neil M. Gorsuch
- Opinion assigned by
- John G. Roberts Jr.
- How the case arrived
- Original jurisdiction
- Issue (SCDB)
- Miscellaneous interstate conflict
- Issue area
- Interstate Relations
- Legal provision
- Article I, Section 10, Paragraph 3 (compact clause)
- Type of law
- Constitution
- Decision direction (SCDB)
- Unspecifiable what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Anthony M. Kennedy | Majority | |
| Justice Clarence Thomas | Majority | |
| Justice Ruth Bader Ginsburg | Majority | |
| Justice Stephen G. Breyer | Majority | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority | |
| Justice Sonia Sotomayor | Majority | |
| Justice Elena Kagan | Majority | |
| Justice Neil M. Gorsuch | Majority | Wrote an opinion |
Full case caption
Texas v. New Mexico and Colorado
SCDB identifiers: case 2017-032, docket 2017-032-01.
Related decisions
Other cases on “Miscellaneous interstate conflict”
- Montana v. Wyoming
- Kansas v. Nebraska and Colorado
- Mississippi v. Tennessee
- New York v. New Jersey
- Texas v. New Mexico and Colorado
- Franchise Tax Board of California v. Gilbert P. Hyatt
Cases on the same legal provision: Article I, Section 10, Paragraph 3 (compact clause)
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