Wyangala Dam
| Wyangala Dam | |
|---|---|
Wyangala Dam, near full capacity, 2012 | |
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 (43,000×106 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.