Greater Sydney Dam Levels
Greater Sydney catchment rainfall, total storage and water supply
HOW MUCH RAIN HAVE WE HAD?
0.0MM
16.7MM FOR THE LAST WEEK
HOW MUCH WATER IS IN OUR DAMS?
96%
Weekly change of -0.3%
HOW MUCH WATER HAVE WE USED?
1,438ML
10,063ML FOR THE LAST WEEK
We’re the people taking care of the state’s water at the source – capturing, storing, delivering. Learn more about WaterNSW.
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
94%
- Cataract Dam
89%
- Cordeaux Dam
87%
- Nepean Dam
85%
- Prospect Reservoir
90%
- Tallowa Dam
92%
- Woronora Dam
96%
Prospect Reservoir
90%2.6%
CAPACITY
33,330 ML
VOLUME
29,958 ML
Rainfall totals
GREATER SYDNEY AVERAGE
24HRS TO 9AM
0.0 MM
PAST WEEK
16.7 MM
PAST YEAR
1,088 MM
Warragamba Catchment
24HRS TO 9AM
0.0 MM
PAST WEEK
20.0 MM
PAST YEAR
1,001 MM
Nepean Catchment
24HRS TO 9AM
0.2 MM
PAST WEEK
30.9 MM
PAST YEAR
1,293 MM
Woronora Catchment
24HRS TO 9AM
0.0 MM
PAST WEEK
27.5 MM
PAST YEAR
1,417 MM
Shoalhaven Catchment
24HRS TO 9AM
0.0 MM
PAST WEEK
9.6 MM
PAST YEAR
1,197 MM
Blue Mountains Catchments
24HRS TO 9AM
0.0 MM
PAST WEEK
33.0 MM
PAST YEAR
1,402 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.
WaterInsights
Easy access to everything you want to know about water resources and water management, all in one place.
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