Warragamba Dam has hit capacity and is spilling following more heavy rain in Sydney. It's a reversal of fortunes from a year ago when Sydneysiders were being warned to conserve water.
Warragamba Dam has reached its capacity and is spilling after heavy rainfall across Sydney.On Friday, WaterNSW said the dam level was above 96 per cent and it would only take another 90 millimetres of rain to fill.After intense rainfall and thunderstorms, some parts received more than 100mm in less than six hours, while 130mm fell closer to the dam wall.
Communities downstream should definitely be prepared for further flooding, exacerbated by the increased flows caused by the spills. "We're also seeing continued spillage from Tallowa Dam on the Shoalhaven River and the Blue Mountains dams," Mr George said. Andrew George from WaterNSW says there are good reasons why water can't be released ahead of massive rainfall events.
"That's a lot of money to put into what's termed a flood mitigation programme, that actually won't stop particularly flash flooding in those communities.There is concern the city's water security could suffer if Warragamba is run as a flood mitigation dam in its current configuration.
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