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The dam is owned and operated by the Bureau. The riverine reservoir it creates, the Black Canyon Reservoir, has a normal water surface of 1.7 square miles (4.4 km 2), [1] about twelve miles of shoreline, and an original maximum capacity of 44,700 acre-feet, reduced by siltation to about 31,200 acre-feet. [3] Recreation includes boating and ...
Anderson Ranch Dam: South Fork Boise River: Earthfill 456 139 Anderson Ranch Reservoir: 503,500 0.6211 40 USBR 1950 Black Canyon Diversion Dam: Payette River: Concrete gravity 183 56 Black Canyon Reservoir: 31,200 0.0385 10 USBR 1924 Arrowrock Dam: Boise River: Concrete arch 350 110 Arrowrock Reservoir: 300,850 0.37109 0 USBR 1915 Blackfoot Dam ...
The immense amount of rain the Black Hills received during the thunderstorms ranged from 4 to 15 inches, causing Rapid Creek and surrounding creeks to overflow and creating massive amounts of runoff that resulted in flood waters. The run-off carried rubble to the Canyon Lake Dam creating a barrier in front of its spillway. [4]
The partial failure of Minnesota’s Rapidan Dam sheds like on the almost 4,100 dams in the U.S. that are categorized at the same risk level and condition – or worse.
Severe weather from that flood and other rainfall since have caused significant damage to the dam’s structure and usability, according to Blue Earth County, which said the dam was in a “state ...
Belden Dam (also known as Caribou Afterbay Dam) is a small earthfill diversion dam located on the North Fork Feather River, about 6 miles (9.7 km) downstream from Canyon Dam. Completed in 1958, the dam is 84 feet (26 m) high and 400 feet (120 m) long, with a storage capacity of 2,477 acre-feet (3,055,000 m 3). The dam and reservoir serve as an ...
Removal of this privately-owned hydropower dam in western North Carolina will be a boon for rafters, kayakers and tubers by allowing the river to flow freely for nearly 80 miles (129 kilometers).
2000 Baia Mare cyanide spill: A dam failure resulted in the leak of 100,000 cubic metres of cyanide-contaminated water which spilled into the Someş and Tisza. Pollution flowed into Europe's second largest river, the Danube, and finally into the Black Sea, across six countries. Hungary asserted the spill killed 1,241 tonnes of fish in Hungary ...