O'Shannassy Reservoir
Encyclopedia
The O'Shannassy Reservoir is located on the O'Shannassy River
- a tributary of the Yarra River
- near McMahons Creek, around 80 km East of Melbourne
, Victoria
, Australia
. The reservoir is part of Melbourne's water supply system. Water flows under gravity to Silvan Reservoir, then to storage and distribution reservoirs around Melbourne.
It is the smallest of the water storage reservoirs managed by Melbourne Water
, with a capacity of approximately 3100 ML, but it is on a very productive catchment, with stream flow averaging 80000 ML/annum.
The location was selected as it is at sufficient altitude for gravity supply to the elevated eastern suburbs of Melbourne. A diversion weir on the O'Shannassy River and aqueduct/pipeline to the Surrey Hills
Reservoir in Melbourne were completed in 1914. The weir was replaced by the reservoir in 1928. The construction of the Yarra-Silvan conduits in the 1950s resulted in reduced requirements for the aqueduct and it was decommissioned in 1997.
O'Shannassy River
The O'Shannassy River is a tributary of the Yarra River. It rises on the southern slopes of the Great Dividing Range, around 80 km East of Melbourne, Victoria, Australia...
- a tributary of the Yarra River
Yarra River
The Yarra River, originally Birrarung, is a river in east-central Victoria, Australia. The lower stretches of the river is where the city of Melbourne was established in 1835 and today Greater Melbourne dominates and influences the landscape of its lower reaches...
- near McMahons Creek, around 80 km East of Melbourne
Melbourne
Melbourne is the capital and most populous city in the state of Victoria, and the second most populous city in Australia. The Melbourne City Centre is the hub of the greater metropolitan area and the Census statistical division—of which "Melbourne" is the common name. As of June 2009, the greater...
, Victoria
Victoria (Australia)
Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....
, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. The reservoir is part of Melbourne's water supply system. Water flows under gravity to Silvan Reservoir, then to storage and distribution reservoirs around Melbourne.
It is the smallest of the water storage reservoirs managed by Melbourne Water
Melbourne Water
Melbourne Water is a government owned statutory authority that controls much of the water system in Melbourne, Victoria, Australia including the reservoirs, and thesewerage and drainage system that services the city.- Overview :...
, with a capacity of approximately 3100 ML, but it is on a very productive catchment, with stream flow averaging 80000 ML/annum.
The location was selected as it is at sufficient altitude for gravity supply to the elevated eastern suburbs of Melbourne. A diversion weir on the O'Shannassy River and aqueduct/pipeline to the Surrey Hills
Surrey Hills, Victoria
Surrey Hills is a suburb in Melbourne, Victoria, Australia, 12 km east from Melbourne's central business district. Its Local Government Area lies within the cities of Boroondara and Whitehorse...
Reservoir in Melbourne were completed in 1914. The weir was replaced by the reservoir in 1928. The construction of the Yarra-Silvan conduits in the 1950s resulted in reduced requirements for the aqueduct and it was decommissioned in 1997.