U.S. has refused to release Colorado River water to Mexico, citing the country's overdue deliveries under a 1944 treaty.

The Trump administration’s unprecedented decision to deny a delivery of water to Mexico is raising alarm among experts, who ...

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

For the first time in more than 80 years, the U.S. has denied Mexico's request for water from the Colorado River, escalating ...

Five out of seven Colorado River basin states are failing to maximize a critical resource that could help alleviate the ...

This time of year has water experts wondering what the snowpack levels will mean for runoff into the Colorado River.

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

The United States denied Mexico’s request for a special delivery of Colorado River water on Thursday, citing Mexico’s ongoing failure to meet its obligations under an 80-year-old water-sharing treaty ...

The U.S. Department of State said on Thursday that the United States will for the first time deny a non-treaty request by ...

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

Wechsler estimated that a lawsuit between states over the Colorado River could run five to seven years before the actual trial even begins. “And along that same timeframe,” said New Mexico ...