Greater Sydney Catchment

1

How much rain have we had?


Warragamba (24hrs to 9am)
mm for past week
2

How much water is in our dams?


Total Storage  
Weekly Change %
3

How much water have we used?


Daily Supply  
for past week

Catchment rainfall Water Storage Water Supply 1 0.0 2 0.0 3 0

Additional information

View dam levels and information on other Greater Sydney supply dams.

Please visit the Bureau of Meteorology for the latest weather forecasts and warnings.

Please visit the NSW SES for flooding and severe weather warnings and advice.


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99.7
Tuesday 17 May
2.0
2,573,926 ML
2,581,850 ML
9,342 ML
1,335 ML
50,768 ML
Tuesday 17 May
100.0
Warragamba Dam
Warragamba
Tuesday 17 May
2,027,000
2,027,000
1,989,272
2,027,000
1,982,690
37,728
0
44,310
98.1
100.0
97.8
1.9
0.0
2.2
100.0
Woronora Dam
Woronora
Tuesday 17 May
71,790
71,790
62,044
71,790
71,752
9,746
0
38
86.4
100.0
99.9
13.6
0.0
0.1
100.0
Avon Dam
Upper Nepean
Tuesday 17 May
146,700
146,700
146,700
146,700
145,950
0
0
750
100.0
100.0
99.5
0.0
0.0
0.5
100.0
Cataract Dam
Upper Nepean
Tuesday 17 May
97,190
97,190
89,647
97,190
95,074
7,543
0
2,116
92.2
100.0
97.8
7.8
0.0
2.2
99.3
Cordeaux Dam
Upper Nepean
Tuesday 17 May
93,016
93,640
93,640
93,640
92,008
-624
-624
1,008
100.0
100.0
98.3
-0.7
-0.7
1.1
100.0
Nepean Dam
Upper Nepean
Tuesday 17 May
67,730
67,730
67,730
67,730
67,730
0
0
0
100.0
100.0
100.0
0.0
0.0
0.0
92.0
Prospect Dam
Tuesday 17 May
30,665
33,330
27,763
31,022
30,665
2,902
-357
0
83.3
93.1
92.0
8.7
-1.1
0.0
87.1
Wingecarribee Reservoir
Shoalhaven
Tuesday 17 May
21,021
24,130
21,063
21,921
20,767
-42
-900
254
87.3
90.8
86.1
-0.2
-3.7
1.1
87.9
Fitzroy Falls Reservoir
Shoalhaven
Tuesday 17 May
8,750
9,950
9,950
7,658
6,578
-1,200
1,092
2,172
100.0
77.0
66.1
-12.1
11.0
21.8
100.0
Tallowa Dam
Shoalhaven
The ‘capacity’ for Tallowa Dam only refers to the water available to be transferred to Sydney, when the total system storage is below 75%. The dam can hold 90,000 ML but 7,500 ML is available for transfers.
Tuesday 17 May
7,500
7,500
7,500
7,500
7,500
0
0
0
100.0
100.0
100.0
0.0
0.0
0.0
88.7
Blue Mountains Dams
Blue Mountains
Tuesday 17 May
2,564
2,890
2,651
2,484
2,444
-87
80
120
91.7
86.0
84.6
-3.0
2.8
4.2
Warragamba Catchment
0.0
43.1
1,342
Nepean Catchment
0.0
60.9
1,812
Woronora Catchment
0.0
55.4
1,892
Shoalhaven Catchment
0.0
50.0
1,606
Blue Mountains Catchments
0.0
52.0
2,006
Avon Dam
34
561
5,823
Nepean Dam
91
204
12,288
Cataract Dam
33
862
14,000
Cordeaux Dam
32
396
3,859
Woronora Dam
22
362
5,182
Broughtons Pass Weir
46
1,073
14,058
Pheasants Nest Weir
92
1,214
29,752
Tallowa Dam
1,693
15,011
724,286