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Vaal Barrage : ウィキペディア英語版 | Vaal Barrage
The Vaal River Barrage Reservoir is a dam on the Vaal River near Vanderbijlpark, border Gauteng and Free State, South Africa. The Barrage, created by a set of gates across the Vaal River, was built by Rand Water downstream of the Vaal Dam, in 1923. The reservoir is 64 kilometres long and has a total storage capacity of 63 million litres, a surface area of 168,35 square kilometres and has an average depth of 4,5 metres. The rivers, i.e. Suikerbosrant, Klip, & Rietspruit, that feed into the Vaal River Barrage Reservoir flow from industrial and heavily populated areas such as Johannesburg, Vereeniging and Sasolburg. This reservoir was used to supply water to the Witwatersrand but no longer does so because the quality of its water is deteriorating due to pollution. This reservoir, which is managed by Rand Water, is used for many recreational activities, such as boating, skiing, fishing, swimming and many holiday resorts have grown up on its banks.〔(【引用サイトリンク】url=http://www.randwater.co.za/CorporateResponsibility/WWE/Pages/WaterOrigination.aspx )〕 ==See also==
*List of reservoirs and dams in South Africa *List of rivers of South Africa
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「Vaal Barrage」の詳細全文を読む
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