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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 reservoir has hit a record low level, dropping to just 641.2 feet above sea level; the former record low of the lake was 645.11 feet, recorded on Sept. 7, 1977.
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]
Aerial photo of Lake Oroville, Oroville Dam, the spillway, and the Feather River. The Oroville Dam is the tallest and largest dam in the United States. Completed in 1968, it stands 770 feet (230 m) high with a crest length (top of the dam) 6,920 feet (2,110 m) long. Over 80 million cubic yards of material were needed to build the Oroville Dam.
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Reservoir levels at Oroville stand at about 840 feet — 60 feet shy of the maximum. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
After leaving the dam the river cuts south into a gorge, and turns southwest to receive Butt Creek from the right. The East Branch North Fork Feather River, the North Fork's largest tributary, comes in next to Caribou Rd (40°00'49.9"N 121°13'32.4"W). It then flows southwards, through several hydroelectric dams, into the north arm of Lake ...
The hydroelectric power plant at Lake Oroville that was shut down due to low water levels from the drought could power back on if lake elevation allows, according to the California Department of ...