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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
94.5
Tuesday 23 May
-0.2
2,438,952 ML
2,581,749 ML
4,482 ML
641 ML
-4,949 ML
Tuesday 23 May
94.6
Warragamba Dam
Warragamba
Tuesday 23 May
1,916,658
2,027,000
1,772,724
1,941,008
1,918,872
143,934
-24,350
-2,214
87.5
95.8
94.7
7.1
-1.2
-0.1
96.3
Woronora Dam
Woronora
Tuesday 23 May
69,119
71,790
54,848
70,262
69,353
14,271
-1,143
-234
76.4
97.9
96.6
19.9
-1.6
-0.3
96.5
Avon Dam
Upper Nepean
Tuesday 23 May
141,516
146,700
126,458
145,203
142,039
15,058
-3,687
-523
86.2
99.0
96.8
10.3
-2.5
-0.4
93.9
Cataract Dam
Upper Nepean
Tuesday 23 May
91,218
97,190
78,484
93,572
91,851
12,734
-2,354
-633
80.8
96.3
94.5
13.1
-2.4
-0.7
95.1
Cordeaux Dam
Upper Nepean
Tuesday 23 May
89,033
93,640
73,407
91,238
89,789
15,626
-2,205
-756
78.4
97.4
95.9
16.7
-2.4
-0.8
94.6
Nepean Dam
Upper Nepean
Tuesday 23 May
64,081
67,730
52,954
66,499
64,912
11,127
-2,418
-831
78.2
98.2
95.8
16.4
-3.6
-1.2
85.9
Prospect Dam
Tuesday 23 May
28,614
33,330
28,368
31,380
28,811
246
-2,766
-197
85.1
94.1
86.4
0.7
-8.3
-0.6
90.7
Wingecarribee Reservoir
Shoalhaven
Tuesday 23 May
21,878
24,130
12,426
21,706
21,706
9,452
172
172
51.5
90.0
90.0
39.2
0.7
0.7
86.0
Fitzroy Falls Reservoir
Shoalhaven
Tuesday 23 May
8,558
9,950
3,276
8,320
8,083
5,282
238
475
32.9
83.6
81.2
53.1
2.4
4.8
80.0
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 only 7,500 ML is available for transfers.
Tuesday 23 May
6,000
7,500
5,140
7,290
6,160
860
-1,290
-160
68.5
97.2
82.1
11.5
-17.2
-2.1
81.6
Blue Mountains Dams
Blue Mountains
Tuesday 23 May
2,277
2,789
2,015
2,548
2,325
262
-271
-48
72.2
91.4
83.4
9.4
-9.7
-1.7
Warragamba Catchment
0.0
21.8
921
Nepean Catchment
0.0
16.3
1,260
Woronora Catchment
0.1
8.2
1,384
Shoalhaven Catchment
0.1
25.5
1,191
Blue Mountains Catchments
0.0
24.6
1,414
Avon Dam
1
8
8,601
Nepean Dam
21
156
14,089
Cataract Dam
19
151
12,585
Cordeaux Dam
1
24
11,830
Woronora Dam
5
37
8,961
Broughtons Pass Weir
26
191
12,578
Pheasants Nest Weir
27
197
41,552
Tallowa Dam
350
2,721
277,781