Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

The Colorado River Basin’s groundwater supplies are dwindling, thanks to a combination of both natural events and human pumping activities, a new study has found. The critical Western system ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

Despite years of planned testing, Bastrop officials oppose Austin Water's proposed project over threats to local ranchers’ ...

WASHINGTON — The federal government is expected to announce water cuts soon that would affect some of the 40 million people reliant on the Colorado River, the powerhouse of the U.S. West.

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 ...

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 ...