Warragamba spill rate continues to fall as inflows drop

Warragamba spill rate continues to fall as inflows drop

24 March 2021

The volume of water spilling from Warragamba dam has fallen further to 200 gigalitres per day (GL/day) down from a rate of 240 GL/day yesterday, after peaking at 500 GL/day on Sunday.

With rain abating across the catchment overnight inflows are down to a rate of 150 GL/day and expected to continue to fall in the absence of further catchment rainfall in the short term.

Other Sydney supply dams are continuing to receive inflows, with Nepean, Cataract, Cordeaux and Avon dams all spilling.

On current forecasts it is likely Warragamba’s rate of spill will drop significantly but could continue at low levels for some time, depending on weather forecasts.

WaterNSW is maintaining a dedicated 24-hour incident management team that is working closely with the Bureau and the NSW State Emergency Service to monitor weather and dam inflows.

WaterNSW will continue to work closely with Sydney Water and NSW Health throughout the rain event, to watch for potential water quality impacts on untreated supply.

For weather forecasts and flood warnings visit http://www.bom.gov.au/

For emergency information visit https://www.ses.nsw.gov.au/ or contact 132 500

For information on WaterNSW dams visit www.waternsw.com.au or contact 1300 662 077

Media contact – Tony Webber - 0428613478


Sunday 03 July
2,614,900 ML
2,618,706 ML
8,668 ML
1,239 ML
89,916 ML
Sunday 03 July