Arizona’s water bank is shifting from storing Colorado River water to using stored credits to help communities cope with shortages.

Some of the most dangerous dams in the American West are the ones you've never heard of. Aging earthen dams, hidden internal erosion, growing communities downstream—and repair bills that far exceed...

Heavy tropical rains eased drought across parts of the Southwest, bringing significant improvement to areas of the Colorado River Basin.

A $200 million federal project will replace aging Friant-Kern Canal pump stations to improve water reliability in California’s San Joaquin Valley.

New research finds vegetation taps groundwater during hot, dry summers, reducing water that would otherwise reach Colorado River headwater streams.

Evacuation orders are lifted in southern New Mexico, but flood hazards remain as Doña Ana County begins recovery efforts.