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The Oker Dam ((ドイツ語:Okertalsperre)) is a dam in the Harz mountains in Lower Saxony, Germany. It is fed by the River Oker. == Technology == The dam is in the shape of an arch (see arch-gravity dam). It is 75 m high, 260 m long, can impound up to 47 million m³ of water and provides hydropower, flood protection and water regulation at times of low water. It is also used indirectly for the production of drinking water. Its average annual discharge is 75 million m³. The hydro-electric power station at Romkerhalle is fed by the Oker Reservoir. File:Okertalsperre_staumauer_talseite.jpg|Dam, downstream side File:Staumauer okertalsperre.jpg|Downstream face of the dam File:Okertalsperre_Hauptstaumauer_UEberlaeufe.jpg|Spillways on the dam File:Okertalsperre02.jpg|Table with technical data on the Oker Dam 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「Oker Dam」の詳細全文を読む スポンサード リンク
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