| The Republic of South Africa covers an area of 122 million hectare of which 18 million hectare is potential land for cultivation. Eight percent of the potential arable land are under irrigation, which accounts for nearly half of the water requirement in South Africa. With a population of 42 million and an estimated annual population growth of 1,7%, urbanisation and industrialisation will increase the pressure on the availability of water resources and the allocation thereof in South Africa. The purpose of the National Water Act, Act 36 of 1998, is to ensure that the nation's water resources are protected, developed, conserved, managed and controlled. Agricultural production under irrigation in South Africa retrieves water from water resources such as... |