Cataract Dam, one of four dams and weirs in the
catchment of the Upper Nepean Scheme, in New
South Wales, Australia, provides water to the
Macarthur and Illawarra regions, the Wollondilly
Shire, and metropolitan Sydney. Cataract is 58
kms SW of Sydney and 17 kms North of
Wollongong. The postcode of Cataract is 2560.