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Wemmershoek Dam
Franschhoek district, Western Cape



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33°49'59.47" S 19°04'57.45" E Alt: 290m

This dam is located on the Wemmershoek River in the Western Cape Province. It is an earth-fill type dam with pitched rock (rip-rap) protection to both the upstream and downstream slopes, lateral spillways controlled by three radial gates and chute discharge to the river below. It has a detached intake/ outlet tower located upstream of the dam wall. The dam is part of a treatment plant served by fifty kilometer pre-stressed concrete pipeline, a service reservoir and subsidiary pipelines. It has a capacity of 58 644 000 m3 behind a 55 m wall at maximum height above foundation level. The dam serves mainly for municipal and industrial use as part of the Western Cape Water Supply System which supplies the city of Cape Town and surrounding areas.

Additional structures:
Wemmershoek Dam Administration Building and Purification Plant
Wemmershoek Dam Hoist Gallery
Wemmershoek Dam Inflow-outflow Control Station

See also Wikipedia.

Writings about this entry

Olivier, Henry. c1976. Great Dams in Southern Africa. Cape Town, Johannesburg, London, New York: Purnell & Sons. pg 173
Shorten, John R. 1963. Cape Town : A record of the Mother City from the earliest days to the present. Cape Town: JR Shorten in association with Shorten and Smith Publications. pg 337 ill., 338 ill., 343-344
South African National Committee on Large Dams. 1994. Large dams and water systems in South Africa. Pretoria: SANCOLD. pg 206