Warragamba Dam is spilling a Sydney Harbour's worth of water each day into the already swollen Sydney ... It is not much less than the 567 gigalitres that the Sydney population drinks in one year.

The Warragamba Dam, which supplies 80 per cent of Sydney's drinking water, is at just 43.9 per cent capacity after only 0.1mm of rain fell in its 9,000sq km catchment in the past week.

60 years ago, Premier Bob Heffron opened Sydney's Warragamba Dam. It had taken 12 years to build and was the biggest mass-gravity dam in the southern hemisphere.

New report reveals lowering Warragamba Dam capacity could plunge NSW into a drought. ... including droughts and a growing population – using the best possible mix of innovative water solutions. ...

Warragamba Dam: $301.7m ‘e-flows’ upgrade to revive lower Hawkesbury-Nepean River. Sydney’s main supplier of drinking water is set for a whopping $301.7m investment to improve the health of ...