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The city would repeatedly try to acquire water rights to Hetch Hetchy, including in 1901, 1903 and 1905, but was continually rebuffed because of conflicts with irrigation districts that had senior water rights on the Tuolumne River, and because of the valley's national park status. [41]
The water rights were acquired through political fighting and, as described by one author, "chicanery, subterfuge ... and a strategy of lies". [2]: 62 Water from the Owens River started being diverted to Los Angeles in 1913, precipitating conflict and eventual ruin of the valley's economy. By the 1920s, so much water was diverted from the Owens ...
In late 1908, the citizens of San Francisco approved the allocation of $600,000 in bonds to be used to purchase land and water rights in the Hetch Hetchy Valley to build a dam for a reservoir and aqueduct lines. They also approved a $45 million bond in 1910 to be issued for the construction of all the water infrastructure. [6]
After water leaves Hetch Hetchy, it passes through tunnels towards powerhouses. Three pipes then bring the water across the Central Valley. Concerns about the Hetch Hetchy Aqueduct's ability to withstand earthquakes led to a $1.7 billion bond, approved by voters in November 2002. [64]
1907 - City of San Francisco votes to construct a water and power supply known as Hetch Hetchy that is located Yosemite [29] 1911 - Constitutional Act - California Railroad Commission takes over regulatory role of cities for electric rates [30] 1913 - Water Commission Act attempts to sort out the state's water rights
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 City and County of San Francisco bought most of the water rights to the Tuolumne River watershed in 1910. The Hetch Hetchy project centered on damming the main Tuolumne River as it meandered through Hetch Hetchy's wide glacial-cut valley.