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

  1. October 13, 2023

    EPA Withdraws Drinking Water System Cybersecurity Rule

    The U.S. Environmental Protection Agency has retreated after an unfavorable court ruling and withdrawn a controversial interpretive rule that would have required states to review and report cybersecurity threats to their public water systems.

  2. July 27, 2023

    States, Water Districts Look To Sink EPA Cybersecurity Rule

    Three states and a national coalition of water utilities are asking the Eighth Circuit to set aside the U.S. Environmental Protection Agency's interpretive rule requiring states to review and report cybersecurity threats to their public water systems.

  3. July 13, 2023

    8th Circ. Blocks EPA's Water Systems Cybersecurity Rule

    The Eighth Circuit on Wednesday blocked a U.S. Environmental Protection Agency interpretive rule requiring states to review and report cybersecurity threats to their public water systems, siding with a group of states and water associations that oppose the rule.