This article needs to be updated.(July 2020) |
Wyangala Dam | |
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Location of the Wyangala Dam in New South Wales | |
Location | New South Wales, Australia |
Coordinates | 33°57′S 148°59′E / 33.950°S 148.983°E |
Status | Operational |
Construction began | 1928 |
Opening date | 1935 |
Construction cost | A£1.352 million |
Owner(s) | State Water Corporation |
Dam and spillways | |
Type of dam | Embankment dam |
Impounds | Lachlan River |
Height | 85 m (279 ft) |
Length | 1,370 m (4,490 ft) |
Dam volume | 3,580 m3 (126,000 cu ft) |
Spillways | 9 |
Spillway type | Radial gates and concrete chute |
Spillway capacity | 14,700 m3/s (520,000 cu ft/s) |
Reservoir | |
Creates | Lake Wyangala |
Total capacity | 1,220,000 ML (43,000×10 6 cu ft) |
Catchment area | 8,300 km2 (3,200 sq mi) |
Surface area | 5,390 ha (13,300 acres) |
Maximum water depth | 79 m (259 ft) |
Normal elevation | 379 m (1,243 ft) AHD |
Power Station | |
Type | Conventional |
Installed capacity | 18 MW (24,000 hp) |
Annual generation | 42.9 GWh (154 TJ) |
Website Wyangala Dam at www.statewater.com.au |
Wyangala Dam is a major gated rock fill with clay core embankment and gravity dam with eight radial gates and a concrete chute spillway across the Lachlan River, located in the south-western slopes region of New South Wales, Australia. The dam's purpose includes flood mitigation, hydro-power, irrigation, water supply and conservation. The impounded reservoir is called Lake Wyangala.