UCLA researchers say California and other states aren't recycling enough water. They recommend reusing much more to ease ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

Time is ticking for states that share the shrinking Colorado River to negotiate a new set of governing rules. One major ...

Concerns that reservoirs could reach deadpool levels in the next few years are very real, with water levels down 20 percent over the past century.

The Star sought comment on this post from top water officials in five states including Arizona. But only J.B. Hamby, ...

Legally, the Upper Basin and the Lower Basin (Arizona, California, and Nevada) should split a fixed, equal amount of Colorado ...

President Donald Trump’s first month in office has worried federal and state officials alike tasked with overseeing the West’s all-important water supply. The Bureau of Reclamation — the federal ...

Water recycling can lessen the burden on the Colorado River Basin, but just 26% of treated municipal wastewater is reused ...

The amount of snowmelt expected to reach the key reservoirs on the Colorado River this spring is far below the median of the ...

Once-dying Mexican river delta slowly nursed back to life In a drought-hit Mexican border region at the center of growing competition with the United States for water, conservationists are working to ...

The seven Colorado River states have only a few weeks left to submit a comprehensive plan for water management going forward.