Centenary of the O'Shannassy Water Supply System - 1913 to 2013 - a Pictorial Heritage

1892 - Surrey Hills Reservoirs

1803 - Beginnings
1892 - Surrey Hills Reservoirs
1911 - Design and Construction
1911 - The O'Shannassy Weir
1914 - Maintenance and Operations
1923 - Bushfires, Landslips, and Floods
1924 - Modifications and Enlargements
1927 - Silvan Dam
1927 - Mt Evelyn Aqueduct
1928 - The O'Shannassy Reservoir
1929 - Upper Yarra Conduits
1931 - Silvan Inlet Aqueduct
1996 - Decommissioning
2006 - Pigging Project
2007 - O'Shannassy Aqueduct Trail - Overview
O'Shannassy Aqueduct Trail - Parrot Rd to Don Rd
O'Shannassy Aqueduct Trail - Don Road to Dee Rd
O'Shannassy Aqueduct Trail - Dee Rd to Sussex St
O'Shannassy Aqueduct Trail - Sussex St to Yuonga Rd
O'Shannassy Aqueduct Trail - Yuonga Rd to Donna Buang Rd
O'Shannassy Aqueduct Trail - Donna Buang Rd to Cement Creek Rd
O'Shannassy Aqueduct Trail - Cement Creek Rd to the Weir
The Present
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The Surrey Hills Reservoirs

The western terminus of the original O'Shannassy Aqueduct was at the Surrey Hills Reservoir No.1, in Canterbury Rd.
This storage facility was completed in 1892, with a capacity of 9 million gallons, servicing the areas of Box Hill and neighbouring suburbs. Until 1914 it was fed from the Yan Yean Reservoir by pipes.
When  the O'Shannassy System was commissioned in 1914, Surrey Hills was then linked to the O'Shannassy Aqueduct by pipes from Launching Place.
In 1925,  a pipe-head reservoir was built at Olinda,with a capicity of 11 million gallons - this was inserted into the O'Shannassy System, and carried water to a  smaller storage dam at Mitcham, then to Surrey Hills.
In 1929, a second Surrey Hills storage reservoir was built, of 15 million gallons capacity, a short distance away from the No. 1 facility, also fed from the O'Shannassy scheme. It is on the hill near Elgar Rd, and incorporates the Water Tower,the first to be built by the MMBW. This imposing structure,a local landmark, resembles the Leaning Tower of Pisa, but unlike the Italian tower, it is vertical! 
Both reservoirs operate to this day, managed by Melbourne Water.

Surrey Hills Reservoir No.1 c1901

Surrey Hills Reservoir No. 1 c1908

Surrey Hills Reservoir No.1 (2013)

Surrey Hills Reservoir No.1 (2013)

Surrey Hills Reservoir No, 2 - Water Tower (2012)

Earth view showing locations of the two Reservoirs (2013)

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