Arizona v. Navajo Nation

Arizona v. Navajo Nation
Supreme Court of the United States
Argued March 20, 2023 Decided June 22, 2023
Full case name	Arizona, et al. v. Navajo Nation, et al. Department of the Interior, et al. v. Navajo Nation, et al.
Docket nos.	21-1484 22-51
Citations	599 U.S. 555 (more) 143 S.Ct. 1804, 216 L. Ed. 2d 540
Argument	Oral argument
Holding
The 1868 treaty establishing the Navajo Reservation reserved necessary water to accomplish the purpose of the Navajo Reservation but did not require the United States to take affirmative steps to secure water for the Tribe.
Court membership
Chief Justice John Roberts Associate Justices Clarence Thomas · Samuel Alito Sonia Sotomayor · Elena Kagan Neil Gorsuch · Brett Kavanaugh Amy Coney Barrett · Ketanji Brown Jackson
Case opinions
Majority	Kavanaugh, joined by Roberts, Thomas, Alito, Barrett
Concurrence	Thomas
Dissent	Gorsuch, joined by Sotomayor, Kagan, Jackson
Laws applied
Treaty of Bosque Redondo

Arizona v. Navajo Nation, 599 U.S. 555 (2023), was a United States Supreme Court case which determined that the Treaty of Bosque Redondo did not require the U.S. Government to take affirmative steps to secure water for the Navajo Nation.