Theewaterskloof Dam
Theewaterskloof Dam is an earth-fill type dam located on the Sonderend River near Villiersdorp, Western Cape, South Africa. Administratively it is located within Theewaterskloof Local Municipality. It was established in 1978 and is the largest dam in the Western Cape Water Supply System with a capacity of 480 million cubic metres, about 41% of the water storage capacity available to Cape Town, which has a population of over 4 million people. The dam mainly serves for municipal and industrial use as well as for irrigation purposes. The hazard potential of the dam has been ranked high (3).
| Theewaterskloof Dam | |
|---|---|
View of Theewaterskloof reservoir from hills to the east | |
Location in the Western Cape | |
| Location | Western Cape, South Africa |
| Coordinates | 34°4′41″S 19°17′21″E |
| Purpose | Irrigation and domestic |
| Opening date | 1980 |
| Owner(s) | Department of Water and Sanitation |
| Dam and spillways | |
| Type of dam | Earth fill dam |
| Impounds | Sonderend River |
| Height | 35 m (115 ft) |
| Length | 646 m (2,119 ft) |
| Reservoir | |
| Creates | Theewaterskloof Dam Reservoir |
| Total capacity | 480,406 Ml (16,965.4×106 cu ft) |
| Catchment area | 500 km2 (190 sq mi) |
| Surface area | 5,059 ha (12,500 acres) |
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