The need for and benefits of water reclamation from sewage are assesse
d. The principles and main requirements for potable reuse are analyzed
and found to be biological treatment, clarification, disinfection and
dissolved pollutant removal. Ozonation has been found to be very effe
ctive and beneficial to all four of these elements in South Africa and
is set for introduction to Windhoek, Namibia. Direct filtration for c
larification is proposed.