The Glen Canyon Dam at Lake Powell on March 28, 2022, in Page, Ariz. As severe drought grips the West, water levels at Lake Powell have dropped to their lowest level since the lake was created by ...

Plumbing problems at Glen Canyon Dam, the second-largest reservoir in the U.S., are raising concerns about water delivery to southwestern states. Federal officials have identified damage to four ...

Federal officials have discovered damage inside Glen Canyon Dam that could force limits on how much Colorado River water is released at low reservoir levels, raising risks the Southwest could face ...

A yearlong project to reline a set of four secondary pipes inside Glen Canyon Dam is currently underway, the U.S. Bureau of Reclamation revealed on Tuesday.

Glen Canyon Dam stands 710 feet tall, anchored to the canyon’s reddish sandstone walls in northern Arizona, about 320 miles upstream from Lake Mead, the nation’s largest reservoir.

A set of four tubes known as the "river outlet works," pictured on Nov. 2, 2022, could soon be the only way for water to make it through Glen Canyon Dam.

Glen Canyon Dam normally releases water through a series of hydropower penstocks. But if Lake Powell drops to 3,490 feet in elevation, or about 46 feet from the reservoir’s current level, ...

Failure to prevent bass from passing through Glen Canyon Dam and reproducing downstream threatens this largest and last remaining source population of the chub. Since 2016 the Bureau has said it would ...

The dam was put as close to the boundary between the two basins, which is at Lee's Ferry, 16 miles west of Glen Canyon Dam, as it could be, he said. “It’s a philosophical dam — a political ...

Glen Canyon Dam began its life with an explosion. Congress authorized the dam’s construction on this day in 1956, and about seven months later, then-president Dwight D. Eisenhower pressed a ...