Prospect Reservoir
| Prospect Dam | |
|---|---|
.jpg)
Aerial view of Prospect Reservoir looking west
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 Location of Prospect Reservoir in
New South Wales |
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| Country | Australia |
| Location | Western Sydney, New South Wales |
| Coordinates | 33°49′41″S 150°53′56″E / 33.828°S 150.899°ECoordinates: 33°49′41″S 150°53′56″E / 33.828°S 150.899°E |
| Purpose | Potable water supply |
| Status | Operational |
| Opening date | 1888 |
| Owner(s) | Sydney Catchment Authority |
| Operator(s) | Sydney Water |
| Dam and spillways | |
| Type of dam | Embankment dam |
| Impounds | Prospect Creek |
| Height | 26 m (85 ft) |
| Length | 2,225 m (7,300 ft) |
| Dam volume | 2,892×103 m3 (102.1×106 cu ft) |
| Spillways | 1 |
| Spillway type | Uncontrolled |
| Spillway capacity | 230 m3/s (8,100 cu ft/s) |
| Reservoir | |
| Creates | Prospect Reservoir |
| Total capacity | 50,200 ML (1,770×106 cu ft) |
| Catchment area | 9.7 km2 (4 sq mi) |
| Surface area | 5.25 km2 (2 sq mi) |
| Maximum water depth | 24 m (79 ft) |
The Prospect Reservoir is a 50,200-megalitre (1,770×106 cu ft) potable water supply and storage reservoir created by the Prospect Dam, across the Prospect Creek located in the Western Sydney suburb of Prospect, in New South Wales, Australia. The eastern bounds of the reservoir are a recreational area and the western periphery are within the bounds of Western Sydney Parklands.
Shortly after 1808, William Lawson was appointed aide-de-camp to George Johnston and was granted 500 acres (2.0 km2) at Prospect, which he named Veteran Hall. He built a large mansion there in the 1820s. He died on the property on 16 June 1850 and the property was eventually acquired by the Metropolitan Water Board. The house was demolished in 1929 and most of the low lying surrounding property is submerged.
The dam was the first earthfill embankment dam in Australia and was completed in 1888. At the time it was intended to deliver water from the Upper Nepean Scheme via the Upper Canal to the reservoir. Prior to the completion of the Lower Canal, the water shortage still needed to be dealt with. Hudson Brothers of Clyde built a temporary raised pipe structure to deliver water from Prospect direct to the Botany Swamps.
In May 1940 the reservoir became a part of the Warragamba Emergency Scheme. Pipes were constructed to deliver water 26 kilometres (16 mi) from Warragamba.
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Wikipedia