Colorado River

The Colorado River’s largest reservoirs are expected to keep struggling over the next five years due to climate change, according to the federal agency that oversees them.

The U.S. Bureau of Reclamation released projections Friday that suggest Lake Powell and Lake Mead will dip 16 feet and 5 feet, respectively, in January from levels recorded a year earlier.

A water utility company in Colorado can proceed with its planned reservoir expansion and the largest construction project in Boulder County after it…

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…

A tight-lipped Western Colorado irrigation association is remaining neutral on the growing presence of private investors in their sizable pool of senior…

The water has made development possible and is used for farms, homes and businesses. Meanwhile, recreation has risen to over 4 million annual visitors in…

When the Glen Canyon Dam was completed in 1966, it was a major development for water management in the arid west. It would also transform Glen Canyon,…

President Trump's wall now stretches along 200 miles of U.S.-Mexico borderland. Progress hasn't slowed during the coronavirus pandemic; in some places…

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…

A wastewater facility on Colorado's Western Slope is resuming operations more than a year after it was shut down for causing a sizable earthquake in…