<P> Total annual water withdrawal was estimated at 12.5 km3 in 2000 , of which about 17 % was for municipal water use . In the northern parts of the country , both surface water and groundwater resources are nearly fully developed and utilised . In the well - watered southeastern regions of the country significant undeveloped and little - used resources exist . The Gauteng area around Johannesburg , which is very water scarce , receives water from various dams in the area such as the Vaal Dam and imports water from the Orange River system through the Lesotho Highlands Water Project , in particular from the Katse Dam . Cape Town receives its drinking water from an extensive system of rivers and dams , including the Berg River Dam . </P>
<P> Total annual water withdrawal was estimated at 12.5 km3 in 2000 , of which about 17 % was for municipal water use . In the northern parts of the country , both surface water and groundwater resources are nearly fully developed and utilised . In the well - watered southeastern regions of the country significant undeveloped and little - used resources exist . The Gauteng area around Johannesburg , which is very water scarce , receives water from various dams in the area such as the Vaal Dam and imports water from the Orange River system through the Lesotho Highlands Water Project , in particular from the Katse Dam . Cape Town receives its drinking water from an extensive system of rivers and dams , including the Berg River Dam . </P>
where does south africa 's water come from
where does south africa 's water come from
Berg River Dam
Berg River Dam