Glen Canyon Unit
Glen Canyon Dam is the principal water storage unit of the Colorado River Storage Project (CRSP). Built in a virtually inaccessible area, it is one of the major engineering and construction achievements in the United States. Glen Canyon Dam impounds Lake Powell, the second largest reservoir in the country. The water supply stored in Lake Powell represents about 80 percent of the total combined storage capacity of the four CRSP initial units. This vital storage reservoir functions like a bank account of water to be drawn upon in times of drought. Without Glen Canyon Dam, the annual water delivery obligations to the Lower Basin could likely not be met during drought periods without creating significant shortages in the Upper Basin. Water stored in Lake Powell provides municipal, industrial, agricultural benefits as well as recreation opportunities and hydropower production.
Facts
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