October Term 2017 · Docket 16-299

Does the Clean Water Act require district court review of water definitions?

Manufacturers argue district courts must review water definitions. The government insists courts of appeals handle these cases.

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National Assn. of Mfrs. v. Department of Defense
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Verified source milestones

  1. — 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

    Mr. Bishop stated the Clean Water Act defines seven narrow appellate categories.

    Mr. Murphy argued Congress examined specific delegations of authority in statutes.

    Ms. Kovner explained broad water definitions impose broader limitations on conduct.

    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 dispute centers on which federal court reviews challenges to the definition of waters of the United States. Manufacturers claim district courts hold this authority. The government asserts courts of appeals possess exclusive jurisdiction.

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How the case got here

The Supreme Court heard oral argument in this case on October 11, 2017.

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What each side wants

Manufacturers want district courts to hear water definition challenges.

The government wants courts of appeals to hear these challenges.

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What each side says

Manufacturers argue the statute omits water definitions from the appellate list.

The government argues the statute implies appellate jurisdiction for these issues.

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What the justices asked

Justice Kagan asked if Congress had a specific theory behind the list.

Justice Ginsburg asked where combined questions belong in the court system.

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Why it matters

This case determines which federal courts handle water definition disputes. It affects how quickly parties receive judicial review. It shapes the procedural path for environmental compliance challenges.

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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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