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 is ...

Arizona is has the second-highest rate of wastewater reuse in the Colorado River basin, according to a new study. And it ...

A new study gives Arizona and Nevada high marks for their reuse of treated sewage effluent as a way to reduce Colorado River ...

When it comes to the Colorado River water shortage, Arizona farmers feel the impact before anyone else. In drought-stricken Pinal County, farmers are in a far more critical situation. "Farming is ...

What influence does the Colorado River have on resupplying Arizona’s groundwater shortage over the last few years? This is what a recent study published in Communications Earth & Environment hopes to ...

Federal officials say plan for water cuts from 3 Western states is enough to protect Colorado River The U.S. Department of the Interior is throwing its support behind a proposal by Arizona ...

As the possibility of legal battles on the Colorado River grows, competing states could use water data to back up their arguments, including claims that Arizona should bear the most water cuts in ...