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Saluda Dam
The Saluda Dam (officially the Dreher Shoals Dam, commonly referred to as the Lake Murray Dam) is an earthen embankment dam located approximately 10 miles (15 km) west of Columbia, South Carolina on the Saluda River. Construction on the dam began in 1927 and was completed in 1930. The purpose of the dam is flood control, hydroelectricity, recreation and water supply. At the time of its completion, the Saluda Dam was the world's largest earthen dam, creating the world's largest man-made lake, Lake Murray. In 2005, construction on a . tall roller-compacted concrete (RCC) dam was completed at the toe of the original dam in order to mitigate an earthquake-caused dam failure.
South Carolina Highway 6 crosses over the dam and is used as a fast connection between the towns of Lexington, SC and Irmo, SC. The yearly football game between rival Lexington High School and Irmo High School is often called 'The Battle of the Dam'.
==Characteristics==
The original Saluda Dam is a . long, -high earthen-embankment dam. The dam contains a . long emergency spillway controlled by six steel tainter gates. The back-up dam located at the original dam's toe and is a . long, -high roller-compacted concrete dam. Rock-fill embankment sections also exist on the south and north ends of the back up dam, making a total length of .
The hydroelectricity power station consists of concrete five vertical Francis turbines; three at 32.5 MW, one at 42.3 MW and another at 67.5 MW. The power station receives water by means of five . high intake towers and then into penstocks. Water released from the power station moves down a . long tailrace tunnel before being discharged back in the Saluda River.〔(Federal Register /Vol. 74, No. 55 /Tuesday, March 24, 2009 /Notices )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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