Nearly all of South Africa's water requirements are drawn from surface resources. It is generally accepted that demand will exceed the exploitable resources within the next 40 years. A reliable means of evaluating surface water resources is therefore essential to planners, designers and managers of water supply schemes.
A general co-ordinated optimization planning policy for the distribution of mine service water is descriptionbed. The optimization is aimed at minimizing the non-linear cost functions which include the procurement, desalination and distribution of the water.