Colorado River Watershed

Declining levels at the second-largest reservoir in the U.S. have spurred officials in Colorado, Utah, Wyoming, and New Mexico to search for ways to prop it up.

Environmental groups suing to halt construction of the Windy Gap Firming Project in Northern Colorado have agreed to drop their case in exchange for $15 million to address concerns about the proposed project’s water quality and ecological effects.

2020 has been a tough year for some of the Colorado River basin’s long-planned, most controversial water projects. Proposals to divert water in New Mexico, Nevada and Utah have run up against significant legal, financial and political roadblocks this year.

It's a tale of two rivers: The Verde, which flows south from near Flagstaff, Ariz. to metro Phoenix, and the San Pedro, which begins in Mexico and flows…

Charismatic is hardly the best word to describe the humpback chub, a fish with a frowny eel face jammed onto a sportfish body in a way that suggests…

Use it or lose it.That saying is at the heart of how access to water is managed in the western U.S. Laws that govern water in more arid states, like…

Central Arizona has been booming -- more people, more houses, more need for water. There's also a long-term drought, and less water to buy from the…

For five years, Zay Lopez tended vegetables, hayfields and cornfields, chickens, and a small flock of sheep here on the western edge of Colorado's Grand…

Coal-fired power plants are closing, or being given firm deadlines for closure, across the country. In the Western states that make up the overallocated…

A new federal program hopes to fill in knowledge gaps on how water moves through the headwaters of arguably the West’s most important drinking and…