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


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
The Author's Websites


This Chapter lists key events and activities mentioned in the Project.

1803 First settlerment in Port Phillip area, Sullivan's Bay (Sorrento)
1835 John Batman officially claimed the Settlement of the Town of Melbourne
1842 Town of Melbourne given responsibility for water management and distribution
1849 The private Melbourne Water Company was pumping water from the Yarra River into large irin tanks in the city
1892 Surrey Hills Reservoir No.1 opened
1911 O'Shannassy System construction started
1914 O'Shannassy System completed
1915 O'Shannassy Lodge built
1919 Site for Silvan Dam selected
1923 Serious landslip on Aqueduct
1924 Height of Aqueduct walls increased
1925 New reservoir built at Olinda
1926 Bushfires destroy forest near the Weir
1926 Serious break in Aqueduct near Warburton
1927 Silvan Dam construction started
1928 O'Shannassy Weir replaced by the larger O'Shannassy Reservoir
1929 Upper Yarra Conduit commissioned
1929 Surrey Hills Reservoir Nol. 2 opened
1930 Silvan Dam completed
1931 Silvan Dam officially commissioned
1933 Parts of Mt Evelyn aqueduct widened
1939 Black Friday bushfires impact on Aqueduct at Warburton
1940 Upper Yarra Conduit built
1947 Landslip - Dee Bridge built
1954 Queen Elizabeth and Prince Phillip stay at O'Shannassy Lodge
1965 Yarra Silvan Conduit built
1972 Mt Evelyn aqueduct closed
1991 Melbourne Water formed
1993 Serious break in Aaueduct above Warburton
1996 Aqueduct decommissioned
2006 Pigging of main undertaken
2007 Aqueduct Trail opened

Maroondah Reservoir (2012)

Readers are invited to visit "The Maroondah Reservoir - 1882 to 2012 - a Heritage Research Project",  a companion Project compiled by the author, which provides detailed information about the construction, development, maintenance and present-day operations.


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