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The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States. The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus. It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named).〔 〕 At the time, the reservoir was described as "the finest inland waterway in the United States." Located upstream of the smaller Griggs Dam, it provides a large area for various forms of recreation in addition to its water supply duties. The reservoir holds over a surface area of .〔 〕 The Columbus Zoo and Aquarium is located on the east bank of the reservoir, near the dam. In 1990, the dam was listed on the National Register of Historic Places.〔 ==Hydroelectricity== The city of Columbus installed a hydroelectric operation on the west side of the dam, which was completed in 1987.〔 〕 The turbines can only be operated when there is sufficient flow, which means the dam cannot continuously produce electricity. With a head of 18 feet (5.5 m),〔 (【引用サイトリンク】 Hydropower ) 〕 the two turbines together produce 5 megawatts.〔〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「O'Shaughnessy Dam (Ohio)」の詳細全文を読む スポンサード リンク
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