Los Angeles Aqueduct - Construction

Construction

The project began in 1908 with a budget of US$24.5 million. With 5,000 workers employed for its construction, the Los Angeles Aqueduct was completed in 1913.

The aqueduct consists of 223 mi (359 km) of 12-foot (3.7 m) diameter steel pipe, 120 mi (190 km) of railroad track, two hydroelectric plants, 170 mi (270 km) of power lines, 240 mi (390 km) of telephone line, a cement plant, and 500 mi (800 km) of roads. The aqueduct uses gravity alone to move water and also uses the water to generate electricity, so it is cost-efficient to operate. The catastrophic failure of the St. Francis Dam in 1928, flooded parts of the present day Santa Clarita Valley and devastated much of the Santa Clara River Valley in Ventura County. Although not responsible for the cause of the failure, it brought an end to Mulholland's career. Excluding incidents of sabotage by Owens Valley residents in the early years, the aqueduct system has been operated safely throughout its history and is still in operation.

The construction of the Los Angeles Aqueduct effectively eliminated the Owens Valley as a viable farming community, and devastated the Owens Lake ecosystem. A group known as the "San Fernando Syndicate", a group of investors who bought land in the San Fernando Valley based on inside knowledge that the Los Angeles aqueduct would soon irrigate it, as well as Fred Eaton, Mulholland and others connected with the project have long been criticized for using deceptive tactics and underhanded methods to obtain water rights and block the Bureau of Reclamation from building water infrastructure for the residents in Owens Valley. By the 1920s, the aggressive pursuits of the water rights and the diversion of the Owens River precipitated the outbreak of violence known as the California Water Wars. Farmers in Owens Valley attacked infrastructure, dynamiting the aqueduct numerous times and opening sluice gates to divert the flow of water.

The aqueduct's water provided developers with the resources to quickly develop the San Fernando Valley and Los Angeles through World War II. Mulholland's role in the vision and completion of the aqueduct and the growth of Los Angeles into a large metropolis is recognized and well-documented. The William Mulholland Memorial Fountain, built in 1940 and located at Riverside Drive and Los Feliz Blvd. in Los Feliz is dedicated to his memory and contributions. Mulholland Drive and Mulholland Dam are named for him as well.

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