The Glen Canyon Dam at Lake Powell in Arizona is set to receive $30.9 million in upgrades as part of President Joe Biden's Investing in America... Aerial view of the Glen Canyon Dam in Arizona.

PAGE, ARIZONA - APRIL 15: Glen Canyon Dam holds back Colorado River water to create Lake Powell on April 15, 2023, in Lake Page, Arizona. The flight for aerial photography was provided by LightHawk.

Decades into a megadrought, proponents of mothballing the 710-foot dam say now is the time to drastically rethink management of the depleted Colorado River.

Newly discovered damage to part of the dam holding back America's second-largest reservoir has people who rely on the Colorado River worried about their ability to get the water they need.

A set of Glen Canyon Dam pipes that were eroding from the inside have been recoated — two months early and under budget, according to the U.S. Bureau of Reclamation.

Newly discovered damage in Glen Canyon Dam would require releasing less water at low reservoir levels — a problem that increases water risks in the Southwest.

The Glen Canyon Dam may get a partial but pricey makeover over the next decade so it can keep producing electricity when, and if, the water it stores falls below the level where it would have to ...

The Glen Canyon Dam holds back Colorado River water, which forms Lake Powell, seen from the air on April 15, 2023, in Page, Arizona. The flight for aerial photography was provided by LightHawk.