State of Arizona, et al v. EPA, et al

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Case overview

Case Number:



Appellate - DC Circuit

Nature of Suit:

  1. October 04, 2022

    DC Circ. Questions States' Standing In Water Standards Case

    The D.C. Circuit on Tuesday challenged a group of states' standing to sue the U.S. Environmental Protection Agency for delaying a rule limiting copper and lead in drinking water, questioning the states' argument that being directly affected by the delay was enough to allow a suit.

  2. June 07, 2022

    States Push DC Circ. On Trump Lead Water Deadlines

    The Biden administration committed a "tour de force" of Administrative Procedure Act violations when it postponed compliance requirements for Trump-era lead and copper drinking water regulations, a group of states told the D.C. Circuit in asking that the standards be reinstated.

  3. March 22, 2022

    EPA Says Trump Lead Water Deadlines Aren't Needed

    The U.S. Environmental Protection Agency says Republican-led states challenging its decision to delay Trump-era revisions to the nation's lead and copper water regulations have nothing to complain about, since the delay gave them more time to implement costly reforms.

  4. January 07, 2022

    States Seek To Revive Trump Lead-Drinking Water Deadlines

    Arizona, Louisiana, Ohio, Oklahoma and Texas have asked the D.C. Circuit to strike down a U.S. Environmental Protection Agency rule that delays compliance requirements with Trump-era lead and copper drinking water regulations.