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The dam safety program identified two other dangerous dams – Fontenelle, which very nearly failed 11 years earlier, when it was filled, in a manner similar to the Teton Dam, [15] and again in May 1985; [16] [17] and the Jackson Lake Dam, which would have failed during an earthquake on the nearby Teton Fault.
The dam was destroyed by dynamite at 6:35 PM on August 19, 1963, following two prior detonations that day which had failed to collapse the structure. [2] At the time, the dam was the largest ever to be removed, a record which stood for decades.
Arrowrock Dam: Boise River: Concrete arch 350 110 Arrowrock Reservoir: 300,850 0.37109 0 USBR 1915 Blackfoot Dam: Blackfoot River: Earthfill 55 17 Blackfoot Reservoir: 417,000 0.514 0 Idaho Bureau of Indian Affairs 1911 Bliss Dam: Snake River: Concrete gravity 70 21 Bliss Reservoir: 11,000 0.014 75 Idaho Power 1950 Brownlee Dam† Snake River ...
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Caused loss of generation, dam failed by overtopping in a 1-in-2,000 year flood [6] 1975: Teton Dam: Idaho United States: The dam foundations washed away and a wave swept aside everything in its path, including two towns, killing at least eleven people, and thousands of cattle. [7] 1976: Machchhu Dam: Morbi India
The reservoir emptying through the failed Teton Dam on June 5, 1976 Ruins of the dam of Vega de Tera (Spain) after breaking in 1959. A dam failure or dam burst is a catastrophic type of structural failure characterized by the sudden, rapid, and uncontrolled release of impounded water or the likelihood of such an uncontrolled release. [1]
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Dworshak Dam is a concrete gravity dam with a sloped downstream face and vertical upstream face, standing 717 feet (219 m) high from the foundations, 632 feet (193 m) above the riverbed and measuring 3,287 feet (1,002 m) long along its crest. The top of the dam is 44 feet (13 m) wide at an elevation of 1,613 feet (492 m) above sea level.