History
Enoggera Dam, Gold Creek Dam and the Mount Crosby Weir were built to supply water to Brisbane but could not meet growing demand. A site 2.8 km upstream from the creek's confluence with the Brisbane River was selected as this was the next catchment to the west in the D'Aguilar Range. The designer was Allan Hazen, an American engineer.
Construction of the Lake Manchester Dam commenced in 1912 and was competed in 1916. It was originally called Cabbage Tree Creek Dam. It was renamed in 1916 when the new dam was named after Civil Engineer E.J.T. Manchester, president of the Metropolitan Water Supply and Sewerage Board. In 1924 the elevation of the bywash was raised which added to the dams capacity.
In October 2005 the dam was reactivated as drought reduced the region's water supply to a critical point. The same year a report claimed that due to leaks and cracks the structure could break in a severe rain storm event.
Read more about this topic: Lake Manchester Dam
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