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The Hetch Hetchy Valley began as a V-shaped river canyon cut out by the ancestral Tuolumne River. About one million years ago, the extensive Sherwin glaciation widened, deepened and straightened river valleys along the western slope of the Sierra Nevada, including Hetch Hetchy, Yosemite Valley, and Kings Canyon farther to the south. [12]
Moccasin generates 427 million KWh per year, and is fed by Hetch Hetchy water through the Mountain Tunnel, [5] which provides a maximum head of 1,300 feet (400 m). [4] Water diverted at O'Shaughnessy Dam feeds into the Hetch Hetchy Aqueduct, which provides 85 percent of the municipal water for 2.4 million people in the San Francisco Bay Area. [50]
The Pulgas Water Temple is a stone structure in Redwood City, California, United States, designed by architect William G. Merchant.It was erected by the San Francisco Water Department to commemorate the 1934 completion of the Hetch Hetchy Aqueduct and is located at the aqueduct's terminus; originally water flowed through a vault under the temple itself, but new requirements for treatment ...
The Hetch Hetchy Aqueduct carries water from the Tuolumne River to San Francisco and other Bay Area regions. The system starts in Hetch Hetchy Valley , inside Yosemite National Park . The system also generates up to 400MW of electrical power, depending on rainfall, most of which is sent to San Francisco via city-owned power lines. [ 63 ]
Due to the large elevation drop between Hetch Hetchy and the city, several hydroelectric power stations were constructed along the 167-mile (269 km) long Hetch Hetchy aqueduct. [3] Construction of the Moccasin Powerhouse began in 1921 and was completed on August 14, 1925. [4] The Powerhouse was designed by San Francisco Architect Henry A. Minton.
Hetch Hetchy Aqueduct Laguna Creek is a perennial stream that flows northwesterly for 2.6 miles (4.2 km) [5] along the San Andreas Fault from Woodside in San Mateo County, California and, after crossing the Phleger Estate and Filoli , enters Upper Crystal Springs Reservoir , [6] where it is a historic tributary to San Mateo Creek . [7]
It is 80 feet (24 m) wide and runs east to west for 2.7 miles (4.3 km) above the Hetch Hetchy Aqueduct, linking Orchard Gardens Park on Sunnyvale's west side and Fairwood Park on the Santa Clara border in Sunnyvale.
Pages in category "Aqueducts in California" The following 21 pages are in this category, out of 21 total. ... Hetch Hetchy Aqueduct; L. Los Angeles Aqueduct; M ...