October Term 2017 · Docket 141 ORIG.

Can the United States sue to enforce water rights under the Rio Grande Compact?

The United States seeks to enforce water delivery duties. Texas and New Mexico dispute this legal authority.

Official caption
Texas v. New Mexico
Latest argument session
Latest official Court activity
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Argued
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    The United States argues the compact creates a statutory duty to distribute water to Texas.

    Texas and New Mexico argue the United States cannot raise compact claims in this matter.

    Justice Sotomayor asked what specific federal interests the compact protects.

    Justice Ginsburg asked how to distinguish when a party can sue under a compact.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

The United States argues the Rio Grande Compact creates a statutory duty to deliver water to Texas. Texas and New Mexico argue the federal government lacks standing to raise these claims.

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How the case got here

The Supreme Court heard oral argument in this case on January 8, 2018.

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What each side wants

The United States wants the Court to allow it to enforce water delivery duties under the compact.

Texas and New Mexico want the Court to bar the United States from raising compact claims in this case.

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What each side says

The United States argues the compact creates a statutory duty to distribute water to Texas.

Texas and New Mexico argue the United States cannot raise compact claims in this matter.

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What the justices asked

Justice Sotomayor asked what specific federal interests the compact protects.

Justice Ginsburg asked how to distinguish when a party can sue under a compact.

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Why it matters

This case defines the federal government's role in interstate water disputes. It clarifies whether the United States can sue to enforce compact duties. The outcome shapes future water rights litigation between states and the federal government.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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