October Term 2019 · Docket 17-1498

Can state courts order separate cleanups at federal Superfund sites?

Landowners seek state court orders for specific cleanups. ARCO argues federal law blocks these suits.

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Atlantic Richfield Co. v. Christian
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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

    Ms. Blatt argued state lawsuits should not implement piecemeal cleanups.

    Mr. Palmore argued the Court lacks jurisdiction over the appeal.

    Ms. Blatt cited the contiguous landowner provision in federal law.

    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

This case tests if state courts can order cleanups at federal Superfund sites. ARCO argues federal law preempts these state actions. Landowners claim state law allows separate remediation plans. The dispute centers on the scope of federal preemption.

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How the case got here

The Supreme Court heard oral argument in this case on December 3, 2019.

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What each side wants

ARCO wants the Court to affirm the lower court's denial of its motion.

Landowners want the Court to allow their state law damages claim to proceed.

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What each side says

ARCO argues federal law preempts state court orders for separate cleanups.

Landowners argue state law permits separate remediation plans alongside federal efforts.

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What the justices asked

Justice Ginsburg asked if EPA approval changes the legal analysis.

Justice Sotomayor asked if state law requires a specific damages remedy.

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Why it matters

This case defines the boundary between state and federal environmental enforcement. It determines whether landowners can pursue separate state court remedies. The outcome shapes the legal landscape for hazardous waste cleanup disputes.

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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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