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.

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 ...

When Lake Powell is at full capacity, Glen Canyon Dam impounds over 25 million acre-feet of water. One acre-foot of water can sustain two households for one year. But the reservoir’s elevations ...

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 ...

Glen Canyon Dam forms Lake Powell, the huge Colorado River reservoir which lies between Arizona and Utah. Paired with Lake Mead, the reservoirs provide water for about 40 million people.

Lake Powell is an important water source for Colorado River states, and Glen Canyon Dam produces enough electricity to power nearly half a million U.S. households, according to the Grand Canyon Trust.

A view of Glen Canyon Dam and Lake Powell at the Glen Canyon National Recreation Area on Wednesday, July 28, 2021. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto. More Stories.

The Glen Canyon Dam holds back Colorado River water to create Lake Powell in Page, Arizona on April 15, 2023. The flight for aerial photography was provided by LightHawk.(Photo by RJ Sangosti/The ...

LAS VEGAS, Nev. (FOX5) - There is new uncertainty for the future of water levels in Lake Mead. Upstream at the Glen Canyon Dam, key underwater tubes have been deemed unreliable.