With Arizona in the grips of a prolonged drought, scientists are working on a new management plan for Colorado River water. As the state continues its unbridled growth, a growing number of residents ...

A fight over which states along the Colorado River have to cut their water use may still be damming up negotiations like the ...

Democrat Katie Hobbs called upstream states' position "extreme" and said her state won't accept a deal that puts all the water use cuts on Arizona ...

Experts say the Colorado River shows no sign of recovery. The Republic asked water providers how they would survive shortages ...

There are many unique species of fish living in the Colorado River. Some include the bonytail chub, razorback sucker, and ...

The plucky humpback chub has weathered dams and invasive species, but climate change and a dwindling river flow pose new ...

The Trump administration is using different tactics that his predecessor to get the states the share the Colorado river to agree how to do it in a climate changed world.

Arizona is working through tense negotiations with other states over shortages on the Colorado River. But what about negotiations inside Arizona? The state’s Department of Water Resources has ...

Arizona, Nevada and Mexico will again live with less water from the Colorado River as drought lingers in the West, federal officials announced Friday. The Colorado River is a critical lifeline to ...

Arizona water officials expect the state’s mandated reductions in use of Colorado River water to hold steady next year but potentially worsen after that unless a wet winter in the Rocky Mountains ...

Arizona, Nevada and Mexico will again live with less water from the Colorado River as drought lingers in the West, federal officials announced Friday. The Colorado River is a critical lifeline to ...