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The Bokaa Dam is a dam on the Metsimotlhabe River, a tributary of the Ngotwane River, in Botswana. It provides water to the capital city of Gaborone. It is operated by the Water Utilities Corporation. ==Structure== The Bokaa Dam was built in 1990/1991 by damming the Metsimotlhabe River, a tributary of the Ngotwane river just south of Bokaa village. The catchment area is about . The dam is an earthcore fill structure with a crest level height of . It was opened in 1993. The dam's surface area when full is . The reservoir is about in length and over at its widest. 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「Bokaa Dam」の詳細全文を読む スポンサード リンク
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