Jounama Dam is a major ungated rockfill

embankment Embankment may refer to: Geology and geography * A levee, an artificial bank raised above the immediately surrounding land to redirect or prevent flooding by a river, lake or sea * Embankment (earthworks), a raised bank to carry a road, railwa ...

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, a ...

across the Tumut River in the

Snowy Mountains The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion in southern New South Wales, Australia, and is the tallest mountain range in mainland Australia, being part of the continent's Great Dividing Range cordillera system ...

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. 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 The Snowy Mountains Scheme or Snowy scheme is a hydroelectricity and irrigation complex in south-east Australia. The Scheme consists of sixteen major dams; nine power stations; two pumping stations; and of tunnels, pipelines and aqueducts that ...

, a vast hydroelectricity and irrigation complex constructed in south-east Australia between 1949 and 1974 and now run by

Snowy Hydro Snowy Hydro Limited is an electricity generation and retailing company in Australia that owns, manages, and maintains the Snowy Mountains Hydro-electric Scheme which consists of nine hydro-electric power stations and sixteen large dams connecte ...

. The impounded

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

is called the Jounama Pondage.

Location and features

Completed in 1968, Jounama Dam is a major dam, located approximately north by east of the town of

Talbingo Talbingo is a small town in New South Wales, Australia at the edge of the Snowy Mountains on the Snowy Mountains Highway. The town is 410 metres above sea level. It is on the Tumut River, which has been inundated by Jounama Pondage. Talbingo re ...

. The dam was constructed by Societe Dumez based on engineering plans developed under contract by the

Snowy Mountains Hydroelectric Authority Snowy Hydro Limited is an electricity generation and retailing company in Australia that owns, manages, and maintains the Snowy Mountains Hydro-electric Scheme which consists of nine hydro-electric power stations and sixteen large dams connecte ...

. Construction of the dam flooded the historic valley and town of

. The dam wall comprising of rock fill is high and long. At 100% capacity the dam wall holds back of water. The surface area of Jounama Pondage is and the catchment area is . The spillway is capable of discharging . The

Snowy Mountains Highway Snowy Mountains Highway is a state highway located in New South Wales, Australia. Its two sections connect the New South Wales South Coast to the Monaro region, and the Monaro to the South West Slopes via the Snowy Mountains. The higher altit ...

passes adjacent to the reservoir.

Power generation

small Small may refer to: Science and technology * SMALL, an ALGOL-like programming language * Small (anatomy), the lumbar region of the back * ''Small'' (journal), a nano-science publication * <small>, an HTML element that defines smaller text ...

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...

power station A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many p ...

was completed in 2010 and is attached to the diverted flow of the Tumut River below the Jounama Dam wall. It is claimed that the small hydro facility generates enough energy to power homes.

References

External links

* *. {{Riverina , state=autocollapse Dams completed in 1968 Energy infrastructure completed in 2010 Snowy Mountains Scheme Snowy Mountains Highway Rock-filled dams Embankment dams Hydroelectric power stations in New South Wales Dams in New South Wales Dams in the Murray River basin

Location and features

Power generation

See also

References

External links