Koombooloomba Dam
The Koombooloomba Dam is a concrete gravity dam with a controlled spillway across the Tully River, located west of Tully and south, southeast of Ravenshoe in Far North Queensland, Australia. Built for the purpose of hydroelectric power generation, the dam creates the reservoir, Lake Koombooloomba.
| Koombooloomba Dam | |
|---|---|
Location of the dam wall in Queensland | |
| Country | Australia |
| Location | west of Tully, Far North Queensland |
| Coordinates | 17°49′54″S 145°36′16″E |
| Purpose | Hydroelectricity power generation |
| Status | Operational |
| Opening date | 1960 |
| Owner(s) | CleanCo Queensland |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Tully River |
| Height | 40 metres (130 ft) |
| Length | 399 m (1,309 ft) |
| Dam volume | 790×103 m3 (28×106 cu ft) |
| Spillway type | Controlled |
| Spillway capacity | 2,120 m3/s (75,000 cu ft/s) |
| Reservoir | |
| Creates | Lake Koombooloomba |
| Total capacity | 205,000 ML (4.5×1010 imp gal; 5.4×1010 US gal) |
| Active capacity | 186,750 ML (4.108×1010 imp gal; 4.933×1010 US gal) |
| Catchment area | 163 km2 (63 sq mi) |
| Surface area | 15.5 km2 (6.0 sq mi) |
| Maximum water depth | 12.9 m (42 ft) |
| Kareeya / Koombooloomba | |
| Commission date | 1957 / 1999 |
| Type | Conventional |
| Turbines | 4 |
| Installed capacity | 86.4 megawatts (115,900 hp) / 7.3 megawatts (9,800 hp) |
| Annual generation | 472 gigawatt-hours (1,700 TJ) / 22.5 gigawatt-hours (81 TJ) |
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