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M.E. Masemola Nabla H Groundwater Specialists (Pty) Ltd, Pretoria, South Africa Email of corresponding author: eva@nabla-h.co.za Groundwater development and management has been an ongoing topic, in particular, for the Department of Water and Sanitation as well institutions such as the Water Research Commission. Recent droughts conditions experienced in South Africa have highlighted groundwater as a…

M.E. Masemola1 and K. T. Witthüser2 1Nabla H Groundwater Specialists (Pty) Ltd, Pretoria, South Africa2Delta-h Water Systems Modelling (Pty) Ltd, Pretoria, South Africa Email of corresponding author: eva@nabla-h.co.za New Vaal Colliery (NVC) is an opencast mine in the northern Free State, located along the meandering Vaal river and underlain by the Transvaal Supergroup dolomitic aquifer.…