Glenbawn Dam
Glenbawn Dam is a major ungated earth and rock fill with clay core embankment dam with concrete chute spillway plus fuse plugs across the Hunter River upstream of Aberdeen in the Hunter Valley of New South Wales, Australia. The dam's purpose includes flood mitigation, hydro-electric power, irrigation, water supply and conservation. The impounded reservoir is called Lake Glenbawn.
| Glenbawn Dam | |
|---|---|
View over Glenbawn Lake, looking south towards Glenbawn Dam embankment wall, 2013 | |
Location of the Glenbawn Dam in New South Wales | |
| Country | Australia |
| Location | Hunter Valley, New South Wales |
| Coordinates | 32°5′54″S 150°59′4″E |
| Purpose | Environmental, hydro-electric power, irrigation, water supply and conservation |
| Status | Operational |
| Construction began | 1948 |
| Opening date | 1958 |
| Construction cost | A£1,500,000 |
| Owner(s) | WaterNSW |
| Dam and spillways | |
| Type of dam | Embankment dam |
| Impounds | Hunter River |
| Height | 100 m (330 ft) |
| Length | 1,125 m (3,691 ft) |
| Spillways | 2 |
| Spillway type | Concrete chute spillway plus fuse plugs |
| Spillway capacity | 11,115 m3/s (392,500 cu ft/s) |
| Reservoir | |
| Creates | Lake Glenbawn |
| Total capacity | 749,840 ML (26,480×106 cu ft) |
| Catchment area | 1,300 km2 (500 sq mi) |
| Surface area | 2,614 ha (6,460 acres) |
| Maximum water depth | 85 m (279 ft) |
| Normal elevation | 276 m (906 ft) AHD |
| Power Station | |
| Operator(s) | AGL Energy |
| Commission date | January 1995 |
| Type | Conventional |
| Turbines | 1 |
| Installed capacity | 5.5 MW (7,400 hp) |
| Annual generation | 4.4 GWh (16 TJ) |
| Website Glenbawn Dam at www.waternsw.com.au | |
Glenbawn Dam was created through enabling legislation enacted through the passage of the Glenbawn Dam Act, 1946 (NSW). The Act appropriated A£1,500,000 as the estimated cost of construction of the dam.
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