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The Oroville dam before the crisis, with main spillway center and overflow spillway immediately to the left, above vegetation. For flood control purposes, some space in Oroville Reservoir has to be kept dry to capture floodwaters, a practice that has caused controversy at other dams of California over the amounts of water wasted. [6]
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.
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.
The Oroville Dam opened in 1968 and is the tallest dam in the U.S. at 770 feet. Located just northeast of Oroville city limits, water from the dam’s main spillway flows into the Feather River ...
Reservoir levels at Oroville stand at about 840 feet — 60 feet shy of the maximum. As California gets drenched, officials opening Oroville Dam spillway for first time in 4 years Skip to main content
The California Department of Water Resources on Wednesday began releasing water from Oroville Dam’s main spillway. ... The main spillway continues to perform well and operate as designed, DWR ...
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View of Oroville Dam's main spillway (center) and emergency spillway (top), February 11, 2017. The large gully to the right of the main spillway was caused by water flowing through its damaged concrete surface. On February 7, heavy flows damaged the spillway of Oroville Dam in Butte County.