The Vaal Gamagara water supply scheme is a R300 Million intervention by the South African Department of Water Affairs and Forestry (DWAF) to interconnect the Vaal river water supply with the towns of Postmasburg, Kuruman, Hotazel , the surrounding mines as well as the cattle and game farms. Considerable savings in the project costs were achieved by prospecting and developing groundwater wells that deliver some 4 million litres per day into the scheme. Locating these zones permitted DWAF to extract a safe, secure water supply, and was accomplished from a combination of airborne magnetic and TDEM and ground gravity surveys combined with a fundamental understanding of the geology.


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