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Texas v. United States Environmental Protection Agency

A district court granted EPA's and the Army Corps of Engineers' motion to stay Texas' and Idaho's challenge to the Biden Administration's 2023 rule revising the definition of "waters of the United States" under the CWA. The court stayed the suit until publication in the Federal Register of the agenc...

Center for Biological Diversity v. U.S. Department of the Interior

The Tenth Circuit affirmed denial of conservation groups' claims in a lawsuit concerning the Bureau of Reclamation's decision to sign a water contract allowing the state of Utah to draw from reservoir releases rather than the Green River and its tributaries. The groups argued the Bureau violated NEP...

Missouri v. United States Department of Interior

The Eighth Circuit affirmed summary judgment for the Bureau of Reclamation in a challenge to the Bureau's decision to move forward with a water reclamation project in North Dakota. The state of Missouri argued the Bureau violated the Water Supply Act by moving forward without first getting approval ...

Alliance for the Wild Rockies v. Gassman

A district court adopted a magistrate judge's findings and recommendations to grant in part and deny in part cross-motions for summary judgment in a lawsuit concerning the Forest Service's approval of a vegetation management project in the Kootenai National Forest. An environmental group had argued,...

Arizona v. Navajo Nation

The U.S. Supreme Court held, 5-4, that an 1868 peace treaty between the Navajo Nation and the United States establishing the Navajo Reservation reserved necessary water to accomplish the purpose of the reservation, but did not require the U.S. government to take affirmative steps to secure water for...

Center for Biological Diversity v. United States Bureau of Land Management

A district court vacated BLM's final EIS and 2019 record of decision (ROD) that approved an open-pit phosphate mine in southeast Idaho. Environmental groups had argued the ROD and final EIS upon which it was based violated NEPA, FLPMA, and the CWA. The court granted summary judgment in part for the ...

Klamath Irrigation District

The Ninth Circuit, 2-1, denied a municipal irrigation district's request to compel a district court to remand to state court its motion for preliminary injunction in a suit concerning water allocation in the Klamath Basin. The district initially sought to stop the Bureau of Reclamation from releasin...