Island Bend Dam

Island Bend Dam
Location of the Island Bend Dam in New South Wales
Country	Australia
Location	Snowy Mountains, New South Wales
Coordinates	36°19′10″S 148°28′13″E / 36.31944°S 148.47028°E / -36.31944; 148.47028Coordinates: 36°19′10″S 148°28′13″E / 36.31944°S 148.47028°E / -36.31944; 148.47028
Status	Operational
Opening date	1965
Owner(s)	Snowy Hydro
Dam and spillways
Type of dam	Gravity dam
Impounds	Snowy River
Height	49 metres (161 ft)
Length	146 metres (479 ft)
Dam volume	60,400 cubic metres (2,130,000 cu ft)
Spillways	1
Spillway type	Controlled
Spillway capacity	2,832 cubic metres per second (100,000 cu ft/s)
Reservoir
Creates	Island Bend Pondage
Total capacity	3,084 megalitres (108.9×10^6 cu ft)
Catchment area	221 square kilometres (85 sq mi)
Surface area	327 hectares (810 acres)

Island Bend Dam is a major ungated concrete gravity dam with a controlled spillway across the Snowy River in the Snowy Mountains region of New South Wales, Australia. The dam's main purpose is for the generation of hydro-power and is one of the sixteen major dams that comprise the Snowy Mountains Scheme, a vast hydroelectricity and irrigation complex constructed in south-east Australia between 1949 and 1974 and now run by Snowy Hydro.

The impounded reservoir is called the Island Bend Pondage.

Location and features

Completed in 1965, Island Bend Dam is a major dam, located within the Snowy Monaro Regional Council, adjacent to the locality of Island Bend. The dam was constructed by Utah Construction and Engineering Pty Limited based on engineering plans developed under contract from the Snowy Mountains Hydroelectric Authority.^[1]

The dam wall comprising 60,400 cubic metres (2,130,000 cu ft) of concrete is 49 metres (161 ft) high and 146 metres (479 ft) long. At 100% capacity the dam wall holds back 3,084 megalitres (108.9×10^⁶ cu ft) of water. The surface area of Island Bend Pondage is 327 hectares (810 acres) and the catchment area is 221 square kilometres (85 sq mi). The controlled spillway is capable of discharging 2,832 cubic metres per second (100,000 cu ft/s).^[1][2]

See also

• Kosciuszko National Park
• List of dams and reservoirs in New South Wales
• Snowy Hydro Limited
• Snowy Mountains Scheme
• Snowy Scheme Museum

References

External links

• Bevitt, R.; Erskine, W.; Gillespie, G.; Harriss, J.; Lake, P.; Miners, B.; Varley, I. (May 2009). "Expert panel environmental flow assessment of various rivers affected by the Snowy Mountains Scheme" (PDF). NSW Department of Water and Energy. ISBN 978-0-7347-5656-5. 

Snowy Monaro Region, New South Wales, Australia
Townships and Villages	Adaminaby Berridale Bombala Bredbo Cooma Delegate Thredbo Village Tyrolean
Localities and rural places	Anglers Reach Arable Avonside Beloka Blue Cow Mountain Bobundara Braemar Bay Buckenderra Bullocks Flat Charlotte Pass Coolringdon Cootralantra Crackenback Dalgety Dry Plain East Jindabyne Eucumbene Cove Frying Pan Grosses Plain Guthega Hill Top Ingebirah Ironmungy Jimenbuen Jindabyne Kalkite Michelago Middlingbank Moonbah Myalla Nimmitabel Nimmo Numbla Vale Old Adaminaby Paupong Perisher Valley Pine Valley Providence Portal Rhine Falls Rocky Plain Shannons Flat Smiggin Holes Snowy Plain The Brothers Wambrook
National parks and other natural features	Kosciuszko NP Valentine Falls
Rivers and other watercourses	Berrima Burrungubugge Cooma Back Eucumbene Goorudee Gungarlin Ingeegoodbee Jacobs Little Thredbo Mowamba Pinch Snowy River Thredbo
Dams and/or associated reservoirs	Eucumbene Guthega Island Bend Jindabyne Jounama Rainbow Lake Three Mile
Mountain ranges	Snowy Mountains Charcoal Rams Head Suggan Buggan
Attractions	Alpine Way Barry Way Big Trout Blue Lake Friday Flat Camp Kiandra Lake Albina Lake Cootapatamba Mount Kosciuszko Mount Townsend Perisher Ski Resort Selwyn Snowfields Skitube Alpine Railway Smiggin Holes Snowy Mountains Highway Snowy Scheme Museum
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Riverina – New South Wales
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National parks	Cocoparra Lachlan Valley Livingstone Murray Valley Murrumbidgee Valley Oolambeyan Woomargama Yanga
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