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Dam and Rainfall Levels

Instructions: Click on the marker to get all the local dam information selectable map selectable map
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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

Now: -%
Last year: -%

Changes

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
90.8
Monday 21 August
-0.5
2,342,955 ML
2,581,749 ML
10,796 ML
1,543 ML
-11,726 ML
Monday 21 August
91.0
Warragamba Dam
Warragamba
Monday 21 August
1,844,698
2,027,000
1,965,357
1,874,364
1,851,934
-120,659
-29,666
-7,236
97.0
92.5
91.4
-6.0
-1.5
-0.4
95.1
Woronora Dam
Woronora
Monday 21 August
68,279
71,790
67,853
70,152
68,814
426
-1,873
-535
94.5
97.7
95.9
0.6
-2.6
-0.7
89.8
Avon Dam
Upper Nepean
Monday 21 August
131,732
146,700
139,236
135,354
132,834
-7,504
-3,622
-1,102
94.9
92.3
90.5
-5.1
-2.5
-0.8
92.6
Cataract Dam
Upper Nepean
Monday 21 August
89,960
97,190
92,010
92,333
90,431
-2,050
-2,373
-471
94.7
95.0
93.0
-2.1
-2.4
-0.5
93.3
Cordeaux Dam
Upper Nepean
Monday 21 August
87,389
93,640
88,208
87,835
87,761
-819
-446
-372
94.2
93.8
93.7
-0.9
-0.5
-0.4
85.6
Nepean Dam
Upper Nepean
Monday 21 August
58,008
67,730
67,698
60,516
58,750
-9,690
-2,508
-742
100.0
89.3
86.7
-14.3
-3.7
-1.1
88.4
Prospect Dam
Monday 21 August
29,453
33,330
25,610
30,412
30,281
3,843
-959
-828
76.8
91.2
90.9
11.5
-2.9
-2.5
88.2
Wingecarribee Reservoir
Shoalhaven
Monday 21 August
21,276
24,130
20,725
21,447
21,362
551
-171
-86
85.9
88.9
88.5
2.3
-0.7
-0.4
72.2
Fitzroy Falls Reservoir
Shoalhaven
Monday 21 August
7,187
9,950
7,753
5,372
7,564
-566
1,815
-377
77.9
54.0
76.0
-5.7
18.2
-3.8
43.2
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.
Monday 21 August
3,240
7,500
7,290
4,010
3,160
-4,050
-770
80
97.2
53.5
42.1
-54.0
-10.3
1.1
62.1
Blue Mountains Dams
Blue Mountains
Monday 21 August
1,733
2,789
2,116
1,853
1,790
-383
-120
-57
75.9
66.4
64.2
-13.7
-4.3
-2.0
Warragamba Catchment
0.0
7.7
680
Nepean Catchment
0.0
1.7
987
Woronora Catchment
0.0
0.2
1,075
Shoalhaven Catchment
0.0
6.2
861
Blue Mountains Catchments
0.0
6.2
1,122
Avon Dam
1
8
6,927
Nepean Dam
9
71
10,609
Cataract Dam
5
50
11,346
Cordeaux Dam
1
9
8,409
Woronora Dam
4
28
5,522
Broughtons Pass Weir
8
74
11,369
Pheasants Nest Weir
12
96
30,573
Tallowa Dam
309
2,709
169,411