Potts Hill Reservoirs 1 and 2, Heritage water reservoirs in Potts Hill, Australia.
Potts Hill Reservoirs 1 and 2 are two water storage facilities near Sydney built with different engineering methods. The first uses earthen banks and clay cores, while the second features mass concrete walls.
Construction of the first reservoir began in 1887 as part of the Upper Nepean Scheme to supply water to Sydney. The second reservoir was added in 1923 to meet the city's growing water demand.
The reservoirs housed European workers from 1948 to 1955 who arrived after World War II to help build the City Water Tunnel. Their presence shaped the area during those years of postwar reconstruction.
The facilities continue to serve as essential water storage for the greater Sydney area and are managed by Sydney Water Corporation. Visitors should remember that this is active infrastructure needed for the region's water supply.
From 1948 to 1962, a radiophysics field station operated on the site with various antennas and telescopes. This station played a role in the early development of Australian radio astronomy research.
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