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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

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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
58.3
Friday 22 February
-0.6
1,504,883 ML
2,581,850 ML
12,079 ML
1,726 ML
-14,480 ML
Friday 22 February
60.4
Warragamba Dam
Warragamba
Friday 22 February
1,223,400
2,027,000
1,609,570
1,262,704
1,234,492
-386,170
-39,304
-11,092
79.4
62.3
60.9
-19.1
-1.9
-0.5
49.3
Woronora Dam
Woronora
Friday 22 February
35,393
71,790
55,818
36,827
35,742
-20,425
-1,434
-349
77.8
51.3
49.8
-28.5
-2.0
-0.5
59.0
Avon Dam
Upper Nepean
Friday 22 February
86,507
146,700
109,189
88,056
87,367
-22,682
-1,549
-860
74.4
60.0
59.6
-15.5
-1.1
-0.6
26.7
Cataract Dam
Upper Nepean
Friday 22 February
25,949
97,190
53,377
26,506
26,018
-27,428
-557
-69
54.9
27.3
26.8
-28.2
-0.6
-0.1
35.5
Cordeaux Dam
Upper Nepean
Friday 22 February
33,205
93,640
54,201
34,206
33,463
-20,996
-1,001
-258
57.9
36.5
35.7
-22.4
-1.1
-0.3
66.0
Nepean Dam
Upper Nepean
Friday 22 February
44,706
67,730
46,524
49,058
45,584
-1,818
-4,352
-878
68.7
72.4
67.3
-2.7
-6.4
-1.3
91.6
Prospect Dam
Friday 22 February
30,514
33,330
29,408
30,818
30,665
1,106
-304
-151
88.2
92.5
92.0
3.3
-0.9
-0.5
60.6
Wingecarribee Reservoir
Shoalhaven
Friday 22 February
14,613
24,130
17,270
14,728
14,880
-2,657
-115
-267
71.6
61.0
61.7
-11.0
-0.5
-1.1
73.2
Fitzroy Falls Reservoir
Shoalhaven
Friday 22 February
7,281
9,950
5,973
7,658
5,325
1,308
-377
1,956
60.0
77.0
53.5
13.1
-3.8
19.7
15.3
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.
Friday 22 February
1,150
7,500
1,660
1,360
3,640
-510
-210
-2,490
22.1
18.1
48.5
-6.8
-2.8
-33.2
74.9
Blue Mountains Dams
Blue Mountains
Friday 22 February
2,165
2,890
1,988
2,426
2,187
177
-261
-22
68.8
83.9
75.7
6.1
-9.0
-0.8
Warragamba Catchment
1.4
3.3
592
Nepean Catchment
1.8
4.3
764
Woronora Catchment
3.0
5.4
693
Shoalhaven Catchment
0.3
3.9
730
Blue Mountains Catchments
15.5
29.7
1,071
Avon Dam
1
18
1,781
Nepean Dam
1
8
5,997
Cataract Dam
1
8
3,622
Cordeaux Dam
1
8
935
Woronora Dam
1
8
1,443
Broughtons Pass Weir
2
16
3,673
Pheasants Nest Weir
5
42
9,476
Tallowa Dam
0
1,226
72,204