Where are Sydneys drinking water catchments?
Sydney’s water supply is currently sourced from a network of dams in five major catchments occupying an area of 16,000 square kilometres: Warragamba, Upper Nepean, Woronora, Shoalhaven and Blue Mountains catchments. This land extends north of Lithgow and Blackheath in the upper Blue Mountains, south to the source of the Shoalhaven River near Cooma, from Woronora in the east and west to the source of the Wollondilly River near Crookwell. Although the catchment area represents only about two percent of NSW’s land area, it supplies water to around 60 percent of the state’s population. More information about our catchments is available on this website.
