Weekly verified storage reports

Weekly verified storage reports

The weekly verified water storage and supply reports provide information about how much rainfall has been recorded, dam levels and how much raw water we have supplied to our customers in the Greater Sydney region.

This week's summary -  Thursday 20 February

Water supply

Total available storage as at 8 am Thursday 20 February was 81.5%, an increase of 6.4% since last Thursday.

DATE MAX TEMP*RAINFALL BULK SUPPLY % AVAILABLE
14-Feb-2026°C51,07977.5%
15-Feb-2028°CNil1,14678.5%
16-Feb-2028°C0.81,35779.6%
17-Feb-2028°C1.21,12380.3%
18-Feb-2025°C0.41,10780.9%
19-Feb-2030°C101,13281.1%
20-Feb-2030°CNil1,17281.5%

* Maximum Sydney temperature, rainfall and water supply figures refer to the 24 hours to 8 am.

Water supply summary

TOTAL
SUPPLY
DAILY
AVERAGE
WEEKLY
CHANGE (ML)
WEEKLY
CHANGE (%)
ENVIRO 
FLOWS
8,1171,160166,7446.424,435

The weekly percentage change is based on the total variation in volume measured in megalitres. 
Percentages are rounded to the nearest 0.1 percent.

Historical water storage

Greater Sydney Storage and Supply Diagram

* Click for full sized image.

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81.5
Thursday 20 February
6.4
2,115,404 ML
2,596,150 ML
6,919 ML
989 ML
166,744 ML
Thursday 20 February