Idaho, State of et al v. United States Environmental Protection Agency et al

  1. March 10, 2026

    EPA Looks To Rescind Biden Era Rule On Tribal Water Rights

    A North Dakota federal judge is letting red states' lawsuit against the U.S. Environmental Protection Agency over a tribal water rights rule remain on hold for now after the EPA said it will begin new rulemaking procedures to rescind the original rule made under the Biden administration.

  2. January 08, 2026

    EPA's Water Rule Dispute Paused Amid Legal Uncertainty

    A North Dakota federal judge is holding in abeyance seven states' challenge to a U.S. Environmental Protection Agency's rule revision that considers tribal rights in addressing water quality standards until the agency determines if it wants to defend the final law or start a new rulemaking process.

  3. November 14, 2024

    Trade Groups Back Red States In EPA Water Rule Dispute

    A slew of trade groups have joined a dozen red states in urging a North Dakota federal judge to strike down a U.S. Environmental Protection Agency rule requiring all states in the nation to consider tribal treaty rights when they set their water quality standards.

  4. November 05, 2024

    States Say EPA 'Wants To Drive The Car' In CWA Row

    Idaho and a coalition of states are asking a North Dakota federal judge to strike down a U.S. Environmental Protection Agency rule requiring states to consider tribal treaty rights when they set their water quality standards, arguing the agency has no such power under the Clean Water Act.

  5. July 15, 2024

    Tribes Fight Red States' Bid To Halt EPA Water Rule

    Tribal nations are seeking to challenge a bid by red states in North Dakota federal court to block a U.S. Environmental Protection Agency rule revision requiring states to consider tribes in addressing water quality standards under the Clean Water Act, arguing that the agency has the power to change its regulations.

  6. July 02, 2024

    Tribal Nations Want In On Red States' Water Rule Dispute

    Seven tribal nations are asking a North Dakota federal court for permission to intervene in a group of red states' challenge to a U.S. Environmental Protection Agency rule revision that considers tribal rights in addressing water quality standard regulations, arguing that their rights to aquatic resources could be harmed should the law be overturned.

  7. June 04, 2024

    Red States Target EPA's Tribal Water Rights Rule

    A group of red states has told a federal court that the U.S. Environmental Protection Agency has turned the Clean Water Act into what they derisively called the "Tribal Rights Act," through a rule that protects Native American rights to water resources.