Three out of four tested lakes in the Prescott area received water advisory scores of “green” this month, meeting all surface ...

Federal officials are quietly warning that one of the country’s most important dams is approaching a tipping point not seen ...

Across two continents, officials are confronting the same nightmare scenario: a reservoir so depleted it can no longer move ...

Recent research shows the Western U.S. has emerged as a global snow drought "hotspot" where snow droughts are becoming more ...

Water coming down the Colorado River is expected to be far below normal for a second consecutive year, and that will have a ...

Federal agencies released draft long-term Colorado River management plans outlining five alternatives for post-2026 water ...

The next step is not optimism. It is alignment. Arizona should stop approving new growth that depends on Colorado River water ...

Several operating guidelines and agreements that govern Colorado River management are set to expire this year.

Colorado’s snowpack levels remain meager so far this winter season, with little moisture in the near-term local forecast in a year when water managers can scarcely afford a poor spring ...

A new study pinpoints the main cause of harmful algal blooms in Blue Mesa Reservoir, and includes a recommendation for a ...

Snowpack in the mountains that feed the Colorado River, the water supply for 40 million people, is off to its worst start in ...

"January 1 water supply forecasts are generally well below normal," the Colorado Basin River Forecast Center said.