As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using ...

A dry April caused the expected spring-summer runoff into Lake Powell to plunge dramatically, with the water-flow forecast down the Colorado River declining ... 2.6 degrees above normal.

Here are the other Colorado River water-saving proposals that the chiefs of the Arizona Department of Water Resources and the Southern Nevada Water Authority suggested to the U.S. Interior ...