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Water Storage Levels

Two of our water storage catchments, Grahamstown Dam and Tomago Sandbeds are relatively coastal while Chichester Dam is located in the Barrington Tops area.

While our storages can diminish very quickly, they can also recover quickly following good rainfall.


Total Water Storage - 4 July 2008

System Capacity Total Volume % full
Grahamstown Dam 189,795ML 189,991ML 99.9%
Chichester Dam 21,500ML 21,500ML 100.00%
Tomago Sandbeds 60,000ML 60,000ML 100.0%
Anna Bay Sandbeds 9,532ML 16,024ML 59.5%
TOTAL 280,827ML 287,515ML 97.2%

Water System Storage Graph

The graph below refers to major storage levels since 1991.

Note*: the data is not verified, storage percent is calculated based on current full reported storage levels.