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Although the dams have mostly been erased by erosion, a small portion remains as Lava Falls, generally considered the most difficult and dangerous rapids for boaters on the Colorado River. The Colorado then swings sharply south and turns northwest north of Peach Springs , emerging from the Grand Canyon at the Grand Wash Cliffs , where it widens ...
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.
A large dam on the Colorado River had been envisioned since the 1920s. In 1928, Congress authorized the Reclamation Service (today's U.S. Bureau of Reclamation, or USBR) to build the Boulder Canyon Project, whose key feature would be a dam on the Colorado in Black Canyon 30 miles (48 km) southeast of Las Vegas, Nevada.
Parker Dam holds back the Colorado River between Arizona and California and creates Lake Havasu. From the reservoir, water is pumped to the Colorado River Aqueduct and flows to Southern California ...
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.
Glen Canyon Dam viewed from inside lower Glen Canyon. Glen Canyon Dam, a concrete arch dam on the Colorado River in the American state of Arizona, is viewed as carrying a large amount of risk, most notably due to siltation. [citation needed] The Colorado and San Juan rivers deposit large volumes of silt into Lake Powell, slowly decreasing its ...
"Six out the seven states within the Colorado River Compact rank in the top 10 of most water stressed states in the United States." The Atlas finds that across the globe, 25 countries experience ...
Glen Canyon Dam and Lake Powell near Page, Arizona. The dam and lake are major components in the Colorado River Storage Project's attempt to regulate the flow of the Colorado River. The Colorado River Storage Project is a United States Bureau of Reclamation project designed to oversee the development of the upper basin of the Colorado River.