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.

As the level of Lake Powell rebounds with this spring's big runoff, the U.S. Bureau of Reclamation has resumed high-flow releases from Glen Canyon Dam.

The Glen Canyon Dam holds back the waters of Lake Powell in Page, Arizona, on July 18, 2022. Federal officials believe Lake Powell will rise another 50 to 90 feet by the end of June.

Lake Powell's water levels are ... The NPS says the release was designed to move accumulated sediment from the Paria River up onto beaches and sandbars in Marble Canton and eastern Grand Canyon.

"In the long term, sedimentation is a very serious problem at Lake Powell," Eric Balken, executive director of the GCI, told ...

A large release of water from Lake Powell began Monday morning. It’s water that will eventually end up in Lake Mead near Las Vegas after a two-day journey through the Grand Canyon where it wi… ...

Lehman Beardsley, left, and Terry Gunn, who guides fishing trips, pose with a rainbow trout at Lees Ferry near Marble Canyon, Ariz., on Nov. 7, 1987. As Lake Powell reservoir just upstream ...

But Lake Powell would still stretch 100 miles into Glen Canyon at dead pool. That’s because there is a significant design flaw in the dam: There is no drain at the bottom.

Sandbar at river mile 45 before (LEFT) & after (RIGHT), the 2012 high-flow. (Photos: U.S. Geological Survey/Willie Taylor) Lake Mead is now projected to rise 33 feet higher than expected this year ...

Glen Canyon National Recreation Area officials said Kemper works in the Lees Ferry district in Marble Canyon, Arizona. The recreation area includes the area around Lake Powell and lower Cataract ...