Warragamba Dam is a large water reservoir located in New South Wales, Australia. It was completed in 1960 and is primarily used to supply drinking water to the city of Sydney and surrounding areas. The dam is built on the Warragamba River and has a capacity of approximately 2.3 million megalitres. The dam plays a crucial role in flood mitigation and water management for the region. It features a concrete gravity dam design and is surrounded by scenic landscapes, making it a popular spot for recreational activities such as hiking and picnicking.