One of the envisaged development proposals of the project is the construction of a large dam on the Groot Letaba River at the Nwamitwa site, downstream of the confluence of the Nwanezi River. The proposed dam will

  • cover a catchment area 1400 km2
  • have a Mean Annual Runoff (MAR) of 122.6 million m3
  • have a gross storage capacity of about 144 million m3 (final size to be determined)
  • have an increase in system yield of 47 million m3/a (dependent on final size)
  • have a capital cost of R490 million (1996 prices), including the realignment of R529 and other local roads.

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