Supreme Court Rules, Against Navajo Nation’s , Water Rights Case. On June 22, the United States Supreme Court ruled against the Navajo Nation in a legal dispute about water from the Colorado River. ‘The Independent’ reports that the justices …Supreme Court Rules, Against Navajo Nation’s , Water Rights Case. On June 22, the United States Supreme Court ruled against the Navajo Nation in a legal dispute about water from the Colorado River. ‘The Independent’ reports that the justices …