Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in the Grand Canyon.

Here are the other Colorado River water-saving ... modifications at Glen Canyon Dam to increase reliability and predictability of water releases to Lake Mead and the Grand Canyon downstream ...

In what would be an unprecedented move, the U.S. Interior Department is considering an action that would create a possible, immediate cutback in Colorado River water supplies to Arizona ...

California farmers near the Arizona border with the oldest rights to Colorado River water will reap $38 million over three years to not plant some of their fields and leave extra water in the ...