Land / brief

Crow Tribe water settlement amendments signed into U.S. law

The amendments allow smaller community water and wastewater projects in place of one centralized system, according to Representative Troy Downing's office.

Yellowtail Afterbay Dam on the Bighorn River near Fort Smith, Montana.
Photo: Bureau of Reclamation

President Donald Trump signed the Crow Tribe Water Rights Settlement Amendments Act of 2025 on October 15, according to the White House. The measure revises the 2010 federal settlement framework for water projects on the Crow Reservation in Montana.

Rep. Troy Downing's office says S. 240 replaces the original plan for one centralized municipal, rural and industrial water system with a framework that allows smaller water and wastewater projects for individual communities. The amendments also extend the Tribe's exclusive right to develop hydropower at the Yellowtail Afterbay Dam through 2030.

According to the Interior Department, the 2010 act and the Crow-Montana water compact provided funding to rehabilitate the Crow Irrigation Project and to design and build a municipal, rural and industrial water system. The new law changes how some of that work can proceed. Sen. Steve Daines introduced the bill with Sen. Tim Sheehy, according to the bill text.

Crow Tribe Chairman Frank Whiteclay, quoted in Downing's release, said the measure allows the Tribe to use previously appropriated funds for regional water treatment and improved wells.

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