Lake Margaret (Tasmania)

Lake Margaret (Tasmania)


Lake Margaret (Tasmania)

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Lake Margaret () is the name of a lake high up on the north side of Mount Sedgwick,in the West Coast Range, West Coast of Tasmania in Australia.


The dam was completed in 1918. It was the first gravity dam constructed in Tasmania and was built of concrete with conglomerate "plums". The dam was 17 metres high, had a length of 243 metres, and the wall has a volume of 6,000 cubic metres. In 1974 it was strengthened by the use of prestressed anchors and grouting of open joints.

Power scheme

A hydroelectric Lake Margaret Power Station and a townsite with the same name have been constructed. The purpose was to power the nearby mine and community surrounding the Mount Lyell Mining and Railway Company that was based in Queenstown. In the 1990's the HEC took over the operations.

Catchment area

Numerous smaller lakes - some named and some not, lie above the location of the lake. The vesting of the catchment with the current operator of the hydro electric power station, makes the two feeder parts of the catchment specific Hydro land in contrast to the surrounding landscape which is either in the Tyndall Regional Reserve or the Lake Beatrice Conservation Area Tasmap Gormanston, Sheet 3834 edition 2, 2001 - and Tyndall, Sheet 3835 edition 2, 2007 have the details of the borders of these reserves

The two southern feeder Hydro reserves start from the slopes of Mount Sedgwick- the westerly from Lake Barnables (less than 1 kilometre east of...
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