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Oroville Dam is an earthfill embankment dam on the Feather River east of the city of Oroville, California, in the Sierra Nevada foothills east of the Sacramento Valley. At 770 feet (235 m) high, it is the tallest dam in the U.S. [ 8 ] and serves mainly for water supply, hydroelectricity generation, and flood control.
The California Department of Water Resources on Wednesday began releasing water from Oroville Dam’s main spillway. ... The Lake Oroville reservoir is the largest storage facility in the State ...
The nearly 8100 major dams in the United States in 2006. The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).
The Oroville Dam main spillway on August 5, 2018, during phase 2 repairs. The main spillway was successfully reconstructed by November 1, 2018. [46] According to its 2017–18 operations plan, the DWR maintained Lake Oroville at a lower than normal level to reduce the possibility that the spillway would have to be used the following winter. [44]
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The Oroville dam footage shows the spillway flowing at 15,000 cubic feet per second.
Water released from the Upper Feather River system flows into Lake Oroville, which is formed by the Oroville Dam several miles above the city of Oroville. [24] At 770 feet (230 m), Oroville is the tallest dam in the United States; [25] by volume it is the largest dam in California.
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