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The dam was built to serve the growing water needs of the city of Los Angeles, creating a large regulating and storage reservoir that was an integral part of the Los Angeles Aqueduct. It was located in San Francisquito Canyon of the Sierra Pelona Mountains , about 40 miles (64 km) northwest of downtown Los Angeles, and approximately 10 miles ...
Baldwin Hills Reservoir after 1963 failure, view south. The gash through the dam corresponds to the alignment of a fault. The Baldwin Hills Dam disaster occurred on December 14, 1963 (60 years ago) () in the Baldwin Hills neighborhood of South Los Angeles, when the dam containing the Baldwin Hills Reservoir suffered a catastrophic failure and flooded the residential neighborhoods surrounding it.
The Van Norman Dams, also known as the San Fernando Dams, were the terminus of the Los Angeles Aqueduct, supplying about 80 percent of Los Angeles' water, [5] until they were damaged in the 1971 San Fernando earthquake and were subsequently decommissioned due to the inherent instability of the site and their location directly above heavily populated areas.
The Mulholland Dam is a Los Angeles Department of Water and Power dam located in the Hollywood Hills of Los Angeles, California, east of the Hollywood Freeway.Designed with a storage capacity of 7,900 acre⋅ft (9,700,000 m 3) of water at a maximum depth of 183 feet (56 m), the dam forms the Hollywood Reservoir, which collects water from various aqueducts and impounds the creek of Weid Canyon.
Many more cities and unincorporated areas would likely have annexed into the city of Los Angeles if the St. Francis Dam had not collapsed. The catastrophic failure of the St. Francis Dam in 1928 killed an estimated 431 people, [43] flooded parts of Santa Clarita, and devastated much of the Santa Clara River Valley in Ventura County.
William Mulholland (September 11, 1855 – July 22, 1935) was an Irish American self-taught civil engineer who was responsible for building the infrastructure to provide a water supply that allowed Los Angeles to grow into the largest city in California.
From 2013 to 2023, 283 dams in the U.S. experienced some kind of failure, according to data provided by the Association of State Dam Safety Officials and analyzed by NBC News.
The dam and reservoir were designed by William Mulholland as additions to the first Los Angeles Aqueduct system that conveyed water from the Owens to the city of Los Angeles. The dam's failure was attributed to design errors that did not take into account the poor foundation rock in the canyon and the resulting hydraulic uplift due to ...