Overberg Water Board is situated in the Overberg region in the Western Cape stretching from Botriver in the West to Heidelberg and Riversdale in the East and is bordered by the Langeberg Mountains in the North and the Indian Ocean in the South. Overberg Water distributes water to the surrounding and rural areas of Cape Agulhas, Theewaterskloof and Swellendam. It has three (3) water treatment schemes with twenty-two (22) reservoirs which are located strategically across the Overberg region.

The Water Board derives its revenue from the sale of bulk potable water to its main customers, namely municipalities, as well as retail sales to the agricultural sector/industry in the region. The organisation supplies and distributes approximately four (4) million cubic metres of water per annum.

The region currently supplied covers approximately 6,000 square kilometres with a pipeline network estimated at 1,450 kilometres.