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The Orange River Project

dam project, South Africa

Quick Summary

The Orange River Project is a significant water management initiative in South Africa focused on harnessing the Orange River for irrigation, urbanization, and economic development. The Orange River, one of southern Africa's longest rivers, flows from the Lesotho Highlands to the Atlantic Ocean.1

Key components of the project include:
* Gariep Dam: Completed in 1972, it's the project's major water conservation structure, storing water for distribution.1
* Van der Kloof Dam: Built in 1977, it's located downstream from the Gariep Dam and also includes a hydroelectric power station.1
* Tunnels and Canals: A notable feature is a 50-mile tunnel (completed in 1975) that transfers water from the Gariep Dam to the Great Fish River, with additional canals connecting to the Sundays River.1

While the Boegoeberg Dam, built in 1931, irrigates land for cotton cultivation, the larger Orange River Project aims to supply water to central industrial areas and cities like Gqeberha, Bloemfontein, and Kimberley. The project also incorporates measures to manage heavy silt accumulation in the dams.12

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2 Britannica Sources
  1. Orange River
  2. Boegoebergdam

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