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 as of 28 August 2019, 21,800 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

82.8
Saturday 28 March
0.3
2,150,514 ML
2,596,150 ML
8,814 ML
1,260 ML
7,499 ML
Saturday 28 March
83.6
Warragamba Dam
Warragamba
Saturday 28 March
1,693,872
2,027,000
1,183,176
1,671,955
1,686,264
510,696
21,917
7,608
58.4
82.5
83.2
25.2
1.1
0.4
63.7
Woronora Dam
Woronora
Saturday 28 March
45,716
71,790
34,251
45,611
45,846
11,465
105
-130
47.7
63.5
63.9
16.0
0.1
-0.2
89.7
Avon Dam
Upper Nepean
Saturday 28 March
131,532
146,700
85,821
130,534
132,132
45,711
998
-600
58.5
89.0
90.1
31.2
0.7
-0.4
68.6
Cataract Dam
Upper Nepean
Saturday 28 March
66,683
97,190
29,517
66,212
66,480
37,166
471
203
30.4
68.1
68.4
38.2
0.5
0.2
75.3
Cordeaux Dam
Upper Nepean
Saturday 28 March
70,523
93,640
37,743
69,269
70,397
32,780
1,254
126
40.3
74.0
75.2
35.0
1.3
0.1
87.2
Nepean Dam
Upper Nepean
Saturday 28 March
59,094
67,730
40,454
66,123
60,282
18,640
-7,029
-1,188
59.7
97.6
89.0
27.5
-10.4
-1.8
93.5
Prospect Dam
Saturday 28 March
31,175
33,330
30,920
28,910
31,022
255
2,265
153
92.8
86.7
93.1
0.8
6.8
0.5
79.8
Wingecarribee Reservoir
Shoalhaven
Saturday 28 March
19,262
24,130
14,235
17,833
19,262
5,027
1,429
0
59.0
73.9
79.8
20.8
5.9
0.0
82.2
Fitzroy Falls Reservoir
Shoalhaven
Saturday 28 March
8,178
9,950
8,368
8,606
6,906
-190
-428
1,272
84.1
86.5
69.4
-1.9
-4.3
12.8
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 as of 28 August 2019, 21,800 ML is available for transfers.
Saturday 28 March
21,800
21,800
7,430
21,800
21,800
14,370
0
0
34.1
100.0
100.0
65.9
0.0
0.0
92.7
Blue Mountains Dams
Blue Mountains
Saturday 28 March
2,679
2,890
2,244
2,731
2,624
435
-52
55
77.6
94.5
90.8
15.1
-1.8
1.9
Warragamba Catchment
0.6
18.6
609
Nepean Catchment
0.3
9.4
887
Woronora Catchment
0.2
7.5
854
Shoalhaven Catchment
0.3
7.5
755
Blue Mountains Catchments
5.5
72.7
1,269
Avon Dam
28
196
3,015
Nepean Dam
22
144
7,474
Cataract Dam
28
78
7,084
Cordeaux Dam
11
60
2,834
Woronora Dam
8
83
2,280
Broughtons Pass Weir
33
85
7,117
Pheasants Nest Weir
68
397
14,679
Tallowa Dam
0
1,581
47,525