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The Colorado River's decline threatens hydropower at Glen Canyon Dam. Now, officials are looking at retooling the dam to deal with low water levels. Skip to main content. Sign in. Mail. 24/7 Help ...
When the San Juan River flows out of the San Juan Mountains in Southwestern Colorado, it contributes 15% of Lake Powell’s water. But there’s a problem.
Glen Canyon Dam is a concrete arch-gravity dam in the southwestern United States, located on the Colorado River in northern Arizona, near the city of Page.The 710-foot-high (220 m) dam was built by the Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powell, one of the largest man-made reservoirs in the U.S. with a capacity of more than 25 million acre-feet (31 km 3). [4]
Dams on tributaries are listed if they are taller than 250 ft (76 m), store more than 50,000 acre⋅ft (62,000 dam 3), or are otherwise historically notable. Tributary dams are organized into two lists; those in the Upper Basin, defined as the half of the Colorado River basin above Lee's Ferry , Arizona , and the Lower Basin.
The dam is named for Glen Canyon, a colorful series of gorges, most of which now are buried under the reservoir. Construction of Glen Canyon Dam began in 1956 and was finished in 1966. When the reservoir filled, the dam began to deliver a steady, regulated flow of water downstream and generate a cheap, plentiful supply of electricity.
A frequently visited arch collapsed in Rock Creek Bay in Glen Canyon National Recreation Area in Utah, the National Park Service reported Friday in a news release.
Glen Canyon Dam, which creates Lake Powell, is situated in the town of Page in northern Arizona only about 15 miles (24 km) by river from the Utah border. The 710-foot (220 m) dam impounds the Colorado primarily for hydroelectricity generation. In front of the dam the Glen Canyon Bridge carries U.S. Route 89 over the Colorado
The controversy received nationwide media attention, and the USBR dropped its plans for the Dinosaur dams in exchange for increasing the size of a proposed dam at Glen Canyon. [242] The controversy associated with Glen Canyon Dam did not build momentum until construction was well underway.