Description
A heritage-listed concrete gravity dam located in the Sutherland Shire. It is the primary source of potable water for Sydney's southern suburbs and the northern suburbs of the Illawarra region.
The property is owned by the Sydney Catchment Authority.
Woronora Dam was constructed between 1927 and 1941 to provide a secure water supply to satisfy the demands of industrial, commercial, and residential development of metropolitan Sydney up to c.?1960. The dam was specifically built to service metropolitan areas south of the Georges River. Despite the construction period of ten years, the dam project was halted due to The Depression in 1930. Workers were forced to look for work further afield, often leaving their families behind to live on the Woronora site, with some coming from other dam projects or coal miners from nearby Helensburgh. It was completed in 1941 at a cost of about A$13 million.
Woronora Dam is curved in appearance and is a mass gravity dam, meaning it remains in position under its own weight, with a height of 66 metres (217 ft) and a length of 390. It has a reservoir that holds 71,790 megalitres of water.
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