Dam and Rainfall Levels

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%
  • Prospect Reservoir
    • Avon Dam
    • Blue Mountains Dams
    • Cataract Dam
    • Cordeaux Dam
    • Fitzroy Falls Reservoir
    • Nepean Dam
    • Tallowa Dam
    • Warragamba Dam
    • Woronora Dam
    • Wingecarribee Reservoir
    • Prospect Dam

-


At

Free text area to explain limitations or special messages in emergencies
- %
-% past week
Latest: - ML
Capacity: - ML

Snapshot

Last year: -%
Now: -%

Comparison

Volume (%)

- ML. - ML change.

Volume (ML)

- %. - % change.
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 only 7,500 ML is available for transfers.

Storage, rainfall and environmental releases

Storage
(recorded date)
Storage Capacity
(ML)
Current Volume
(ML)
Percent Full
%
Net Change in past week
%
Storage
(recorded date)
Storage Capacity
(ML)
Current Volume
(ML)
Percent Full
%
Net Change in past week
%

See verified weekly storage reports

How much rain has fallen in our catchments?

24hrs to 9am

-mm

Past week

-mm

Past year

-mm
Note: Rainfall and e-flows data are only updated on week days, not weekends

Latest environmental flow releases

Today's requirements

- ML

Past week

- ML

Past year

- ML

Loading

55.7
Thursday 25 April
-0.4
1,437,192 ML
2,581,850 ML
9,952 ML
1,422 ML
-10,664 ML
Thursday 25 April
56.9
Warragamba Dam
Warragamba
Thursday 25 April
1,153,021
2,027,000
1,538,069
1,186,946
1,161,098
-385,048
-33,925
-8,077
75.9
58.6
57.3
-19.0
-1.7
-0.4
46.4
Woronora Dam
Woronora
Thursday 25 April
33,282
71,790
52,729
34,358
33,554
-19,447
-1,076
-272
73.4
47.9
46.7
-27.1
-1.5
-0.4
56.8
Avon Dam
Upper Nepean
Thursday 25 April
83,263
146,700
103,811
86,250
83,943
-20,548
-2,987
-680
70.8
58.8
57.2
-14.0
-2.0
-0.5
31.0
Cataract Dam
Upper Nepean
Thursday 25 April
30,128
97,190
47,101
29,555
30,052
-16,973
573
76
48.5
30.4
30.9
-17.5
0.6
0.1
40.5
Cordeaux Dam
Upper Nepean
Thursday 25 April
37,946
93,640
48,478
37,865
37,905
-10,532
81
41
51.8
40.4
40.5
-11.2
0.1
0.0
56.0
Nepean Dam
Upper Nepean
Thursday 25 April
37,930
67,730
45,437
40,838
38,533
-7,507
-2,908
-603
67.1
60.3
56.9
-11.1
-4.3
-0.9
92.5
Prospect Dam
Thursday 25 April
30,818
33,330
30,311
30,971
30,971
507
-153
-153
90.9
92.9
92.9
1.5
-0.5
-0.5
58.4
Wingecarribee Reservoir
Shoalhaven
Thursday 25 April
14,085
24,130
16,358
14,348
14,198
-2,273
-263
-113
67.8
59.5
58.8
-9.4
-1.1
-0.5
80.3
Fitzroy Falls Reservoir
Shoalhaven
Thursday 25 April
7,989
9,950
5,695
8,273
8,273
2,294
-284
-284
57.2
83.1
83.1
23.1
-2.9
-2.9
87.5
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 only 7,500 ML is available for transfers.
Thursday 25 April
6,560
7,500
4,580
7,500
7,150
1,980
-940
-590
61.1
100.0
95.3
26.4
-12.5
-7.9
75.1
Blue Mountains Dams
Blue Mountains
Thursday 25 April
2,170
2,890
2,141
2,241
2,179
29
-71
-9
74.1
77.5
75.4
1.0
-2.5
-0.3
Warragamba Catchment
0.0
2.1
597
Nepean Catchment
0.2
1.6
849
Woronora Catchment
0.0
1.1
676
Shoalhaven Catchment
0.0
1.5
720
Blue Mountains Catchments
0.5
8.5
1,036
Avon Dam
1
8
2,030
Nepean Dam
5
47
5,771
Cataract Dam
15
110
4,005
Cordeaux Dam
4
34
1,891
Woronora Dam
1
8
1,166
Broughtons Pass Weir
20
136
4,003
Pheasants Nest Weir
12
100
10,570
Tallowa Dam
177
1,555
67,559