Arizona has a few lakes that are worth a visit, but you might reconsider your next swim once you learn about the species that ...

The seven states on the Colorado River are spending millions of dollars to accurately measure how much water flows downstream and how much is taken out along the way. Quantifying the river's flow ...

Daniel Rook In a drought-hit Mexican border region at the center of growing competition with the United States for water, ...

The Colorado River system is the lifeblood of the southwest, delivering water to 40 million people across the United States and Mexico. Drought and overuse have left the river in crisis—the need ...

California isn’t recycling nearly enough water, according to a new report by UCLA researchers, who say the state should treat and reuse more wastewater to help address the Colorado River’s ...