diga di Warragamba

Italy

Warragamba Dam is a heritage-listed dam in the outer South Western Sydney suburb of Warragamba, Wollondilly Shire in New South Wales, Australia. It is a concrete gravity dam, which creates Lake Burragorang, the primary reservoir for water supply for the city of Sydney. The dam wall is located approx

imately 65 kilometres (40 mi) W of Sydney central business district, 4½ km SW of the town of Wallacia, and 1 km NW of the village of Warragamba. The dam was devised as part of a collective engineering response to Sydney's critical water shortage during World War II and was originally known as the Warragamba Emergency Scheme. Constructed between 1948 and 1960, the dam created capacity for a reservoir of 2,065 gigalitres (4.54×1011 imp gal; 5.46×1011 US gal) and is fed by a catchment area of 9,051 square kilometres (3,495 sq mi). The surface area of the lake covers 75 square kilometres (29 sq mi) of the now-flooded Burragorang Valley. It was designed and built by the Metropolitan Water Sewerage and Drainage Board. A small hydroelectric power station was incorporated into the design of the dam but has been disconnected from the grid since 2001. The property is owned by WaterNSW, an agency of...

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