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Authorities have warned a major Sydney dam will begin spilling within hours, as rainfall continues to blanket the state.
May 11, 2024 - 3:44PMEmergency services have warned a major dam in Sydney’s outer south west will likely begin spilling on Saturday evening, as the state is lashed with heavy rain.
At about 1.30pm, Water NSW said Warragamba Dam – which has a capacity of 2065 gigalitres – was “close to full capacity”, and would likely spill over within hours.
Most recent modelling suggests the dam could reach a spill rate of about 40GL per day, if the catch receives the forecast amount of 35mm of rain over the weekend.
WaterNSW said this would be less than the spill peak from April, which exceeded 200GL a day.
A number of other dams across Greater Sydney are also likely to spill, including Cataract, Nepean, Woronora, Tallowa, Greaves Creek, Medlow Bath, and Middle Cascades.
