Table 1.

Evolving Winters doctrine, early twentieth century

CaseImportant points of conflict and resolution
Byers v. Wa-Wa-Ne (1917)Oregon courts’ narrow interpretation of Winters Rights limited to only what was “necessary” to fulfill the purpose of the Umatilla tribe’s treaty with the U.S. government. Congress eventually passed a law overruling the impermanence of encroachers’ rights to water, at the expense of tribe’s potential use
Skeem v. United States (1921)Reserved water rights for tribal allotted land was not relinquished when land was leased to non-Indian land users, so long as the land remained within a reservation created by a treaty. Quantification based on potential, not just current or previous use/“need”
United States v. Hibner (1928)Similar case to Skeem. Established water right did not need to be used to be preserved — could be protected for future uses. Established that tribal water rights can transfer with the same rights if the land is purchased by a non-Indian, although the new appropriator would then be subject to state laws
United States v. Powers (1939)Transferability of water rights. Catalyzed by drought, affirmed that reserved water rights stay with allotted land, even after death or transfer of allottee
United States v. McIntire (1939)Established that reserved water rights could not be acquired via state law — only through an act of Congress, and Indian lands are not subject to prior appropriation laws. Montana statutes could not apply to reservation water because Congress had not authorized it. Indian lands within the limits of the state remain under Congressional control
United States v. Walker River Irrigation District (1939)Federal reserved water rights for tribes can be established through executive order, as well as by treaty [expansion of federal power]. Anchored quantification based on what was already put to use, not by potential use. Foreshadowed later debates over minimal need versus potential to support a homeland
Lewis v. Hanson (1951)Conflict over jurisdiction of a state adjudication of Indian reserved water right. U.S. Supreme Court overruled the state courts and established this could only be done with involvement of the United States
Merrill v. Bishop (1955)State versus federal rights — but U.S. Supreme Court ruled in favor of the state of Wyoming in finding that in Wyoming’s Enabling Act, there was language that established prior appropriation as the law governing all water rights, even to the diminishment of the federal government (and outlined in the state constitution)
United States v. Ahtanum (1957)Court went against the minimal need doctrine. Treaty with the Yakima reserved water for limited current use and also for the “ultimate needs of the Indians as those needs should grow to keep pace with the development of Indian agriculture upon the reservation.” Court rejected that quantification should be based solely on historical use
Arizona v. California (1963)The most famous of these initial cases post Winters, established rights resulting from conflict over Colorado River water between states. The court introduced the “Practicably Irrigable Acreage” concept and set rights or five Native Nations
Note(s):

Information on early cases in part sourced from Nelson and Booke (1977) and directly from court opinions

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