Greater Sydney Dam Levels
Greater Sydney catchment rainfall, total storage and water supply
HOW MUCH RAIN HAVE WE HAD?
3.6MM
26.7MM FOR THE LAST WEEK
HOW MUCH WATER IS IN OUR DAMS?
94%
Weekly change of -0.1%
HOW MUCH WATER HAVE WE USED?
1,517ML
10,615ML FOR THE LAST WEEK
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Greater Sydney dam levels data
WaterNSW has prepared or collected the data on this website with all due care and endeavours to provide accurate and up-to-date information including near real-time water monitoring data. Any mistakes in this information that are brought to our attention will be corrected as soon as possible. This site is not exhaustive.
Learn more about our Water Monitoring network.
Read our full disclaimer.
- Avon Dam
99%
- Cataract Dam
98%
- Cordeaux Dam
99%
- Nepean Dam
99%
- Prospect Reservoir
93%
- Tallowa Dam
73%
- Woronora Dam
95%
Prospect Reservoir
93%2.9%
CAPACITY
33,330 ML
VOLUME
30,869 ML
Rainfall totals
GREATER SYDNEY AVERAGE
24HRS TO 9AM
3.6 MM
PAST WEEK
26.7 MM
PAST YEAR
867 MM
Warragamba Catchment
24HRS TO 9AM
3.9 MM
PAST WEEK
30.0 MM
PAST YEAR
756 MM
Nepean Catchment
24HRS TO 9AM
4.5 MM
PAST WEEK
26.4 MM
PAST YEAR
1,318 MM
Woronora Catchment
24HRS TO 9AM
3.0 MM
PAST WEEK
22.3 MM
PAST YEAR
1,328 MM
Shoalhaven Catchment
24HRS TO 9AM
3.1 MM
PAST WEEK
21.4 MM
PAST YEAR
984 MM
Blue Mountains Catchments
24HRS TO 9AM
13.2 MM
PAST WEEK
55.5 MM
PAST YEAR
1,324 MM
Greater Sydney rainfall data
The Greater Sydney Average is an area-weighted average rain amount which represents the total observed rain across the entire Greater Sydney Water Supply Catchment.
WaterNSW has prepared or collected the data on this website with all due care and endeavours to provide accurate and up-to-date information including near real-time water monitoring data. Any mistakes in this information that are brought to our attention will be corrected as soon as possible. This site is not exhaustive.
Learn more about our Water Monitoring network.
Read our full disclaimer.
Additional information
Learn more about how Warragamba Dam operates at times of full capacity or flood: Warragamba Dam flood operations fact sheet ( PDF, 339.07 KB)
Register for the Early Warning Network (EWN) for dam and release notifications.
Visit the Bureau of Meteorology for the latest weather forecasts and warnings.
Visit the NSW SES for flooding and severe weather warnings and advice.
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Related links
WaterNSW acknowledges the traditional custodians of the lands and waters on which we work and pay our respects to all elders past, present and emerging. Learn more