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

The August 2020 rain event has seen Greater Sydney dam storage levels almost reach capacity.

You can check the individual Sydney Dam levels in the Greater Sydney supply system.


Loading

93.6
Saturday 24 October
-0.3
2,415,570 ML
2,581,850 ML
10,111 ML
1,445 ML
-7,153 ML
Saturday 24 October
96.1
Warragamba Dam
Warragamba
Saturday 24 October
1,947,649
2,027,000
990,538
1,954,290
1,952,076
957,111
-6,641
-4,427
48.9
96.4
96.3
47.2
-0.3
-0.2
75.8
Woronora Dam
Woronora
Saturday 24 October
54,396
71,790
27,700
55,545
54,637
26,696
-1,149
-241
38.6
77.4
76.1
37.2
-1.6
-0.3
85.5
Avon Dam
Upper Nepean
Saturday 24 October
125,465
146,700
67,727
131,033
126,160
57,738
-5,568
-695
46.2
89.3
86.0
39.4
-3.8
-0.5
83.3
Cataract Dam
Upper Nepean
Saturday 24 October
80,929
97,190
26,261
87,157
82,353
54,668
-6,228
-1,424
27.0
89.7
84.7
56.2
-6.4
-1.5
84.5
Cordeaux Dam
Upper Nepean
Saturday 24 October
79,095
93,640
37,421
81,039
79,508
41,674
-1,944
-413
40.0
86.5
84.9
44.5
-2.1
-0.4
91.5
Nepean Dam
Upper Nepean
Saturday 24 October
61,992
67,730
33,596
66,311
63,136
28,396
-4,319
-1,144
49.6
97.9
93.2
41.9
-6.4
-1.7
86.7
Prospect Dam
Saturday 24 October
28,910
33,330
28,515
27,718
28,811
395
1,192
99
85.6
83.2
86.4
1.2
3.6
0.3
81.2
Wingecarribee Reservoir
Shoalhaven
Saturday 24 October
19,593
24,130
14,311
20,387
19,634
5,282
-794
-41
59.3
84.5
81.4
21.9
-3.3
-0.2
76.5
Fitzroy Falls Reservoir
Shoalhaven
Saturday 24 October
7,611
9,950
6,812
7,470
6,392
799
141
1,219
68.5
75.1
64.2
8.0
1.4
12.3
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.
Saturday 24 October
7,500
7,500
11,240
7,500
7,500
-3,740
0
0
51.6
100.0
100.0
48.4
0.0
0.0
84.1
Blue Mountains Dams
Blue Mountains
Saturday 24 October
2,430
2,890
1,928
2,652
2,516
502
-222
-86
66.7
91.8
87.1
17.4
-7.7
-3.0
Warragamba Catchment
6.8
12.1
812
Nepean Catchment
6.2
9.6
1,181
Woronora Catchment
2.0
10.0
1,065
Shoalhaven Catchment
6.3
17.7
1,110
Blue Mountains Catchments
2.5
16.0
1,493
Avon Dam
14
55
6,223
Nepean Dam
4
66
12,154
Cataract Dam
6
41
12,486
Cordeaux Dam
1
8
6,124
Woronora Dam
1
8
5,554
Broughtons Pass Weir
9
44
12,484
Pheasants Nest Weir
22
139
27,594
Tallowa Dam
339
2,389
194,727