At 8 December 2011, the reservoirs in the Adelaide water collection area were 74.5% full, holding approximately 147.1 GL. At the same time in the previous year, these reservoirs were 83.5% full, holding 164.8 GL. Reservoir levels fell by 17.7 GL, or 10.7%, over this period.
At 8 December 2011, the reservoirs servicing Hobart and Canberra were both near 100% capacity while Perth had the lowest reservoir levels, at 28.5% full.
Information on reservoir levels is collected, standardised and disseminated by the Bureau of Meteorology (BOM). This information includes the total volume of accessible water stored in public water storage facilities (e.g. dams) with a capacity over one gigalitre (GL) as well as the total capacity of water storage facilities in the region (% full).
For more details, including daily updates of reservoir data, go to the BOM website linked above.
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