Blyderivierpoort Dam

Blyderivierpoort Dam is a gravity-arch dam on the Blyde River, in the lower Blyde River Canyon, near Hoedspruit in Mpumalanga, South Africa. It also floods the lower reaches of the Blyde's Ohrigstad River tributary. The dam was completed in 1974.[1] The 71 m high dam wall and 22 m deep is situated 3 km from Swadini resort by road.

Blyderivierpoort Dam
View from the north
Official nameBlyderivierpoort Dam
Blyde River Poort Dam
CountrySouth Africa
LocationMpumalanga
Coordinates24°32′12″S 30°47′53″E
PurposeIrrigation, industrial
Opening date1974
Owner(s)Department of Water Affairs
Dam and spillways
Type of damArch-gravity dam
ImpoundsBlyde River
Height71 m
Length240 m
Reservoir
CreatesBlyderivierpoort Dam Reservoir
Total capacity54 050 000 m³
Surface area240 ha

Purpose

The water body seen from the south

Its key purpose is to provide a stable water supply for irrigators of the Blyde River Irrigation district and to provide additional water for mining and industry at Phalaborwa.[1]

Irrigation district

Orchards and croplands were established along the lower Blyde in the latter half of the 20th century, with 23,521 ha devoted to irrigation in 1995.[2]

Resettlement

During 1965 the community that lived at the site of the proposed dam was resettled (with compensation) by the government to nearby towns including Buffelshoek, Acornhoek, Beverleyshoek and Bushbuckridge. Some stone walled settlements, cultural artefacts and graves are now submerged under the dam.[1]

See also

References

  1. Rowe, Christine. "Heritage management of archaeological, historical and industrial resources on the Blyde River Canyon Nature Reserve" (PDF). repository.up.ac.za. University of Pretoria. Retrieved 20 April 2016.
  2. International Water Management Institute (IWMI) (September 2008), Olifants River Basin in South Africa (PDF), waternetonline, p. 37, archived from the original (PDF) on 3 April 2012


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