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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
65.5
Tuesday 21 August
-0.8
1,690,587 ML
2,581,850 ML
11,525 ML
1,647 ML
-13,229 ML
Tuesday 21 August
68.7
Warragamba Dam
Warragamba
Tuesday 21 August
1,393,506
2,027,000
1,844,698
1,425,850
1,402,040
-451,192
-32,344
-8,534
91.0
70.3
69.2
-22.3
-1.6
-0.4
61.7
Woronora Dam
Woronora
Tuesday 21 August
44,320
71,790
68,279
48,014
45,221
-23,959
-3,694
-901
95.1
66.9
63.0
-33.4
-5.1
-1.3
62.6
Avon Dam
Upper Nepean
Tuesday 21 August
91,789
146,700
131,732
95,030
92,576
-39,943
-3,241
-787
89.8
64.8
63.1
-27.2
-2.2
-0.5
36.7
Cataract Dam
Upper Nepean
Tuesday 21 August
35,669
97,190
89,960
37,344
35,982
-54,291
-1,675
-313
92.6
38.4
37.0
-55.9
-1.7
-0.3
39.8
Cordeaux Dam
Upper Nepean
Tuesday 21 August
37,301
93,640
87,389
41,494
37,783
-50,088
-4,193
-482
93.3
44.3
40.3
-53.5
-4.5
-0.5
51.0
Nepean Dam
Upper Nepean
Tuesday 21 August
34,532
67,730
58,008
38,946
35,320
-23,476
-4,414
-788
85.6
57.5
52.1
-34.7
-6.5
-1.2
92.6
Prospect Dam
Tuesday 21 August
30,869
33,330
29,458
32,101
31,946
1,411
-1,232
-1,077
88.4
96.3
95.8
4.2
-3.7
-3.2
62.1
Wingecarribee Reservoir
Shoalhaven
Tuesday 21 August
14,995
24,130
21,276
15,575
15,188
-6,281
-580
-193
88.2
64.5
62.9
-26.0
-2.4
-0.8
37.9
Fitzroy Falls Reservoir
Shoalhaven
Tuesday 21 August
3,769
9,950
7,187
4,360
3,589
-3,418
-591
180
72.2
43.8
36.1
-34.4
-5.9
1.8
26.4
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 21 August
1,980
7,500
3,240
2,140
2,300
-1,260
-160
-320
43.2
28.5
30.7
-16.8
-2.1
-4.3
64.3
Blue Mountains Dams
Blue Mountains
Tuesday 21 August
1,857
2,890
1,734
1,923
1,871
123
-66
-14
60.0
66.5
64.7
4.3
-2.3
-0.5
Warragamba Catchment
0.0
2.9
477
Nepean Catchment
0.0
0.5
454
Woronora Catchment
0.5
0.5
494
Shoalhaven Catchment
0.0
1.8
573
Blue Mountains Catchments
0.0
1.0
705
Avon Dam
1
8
859
Nepean Dam
1
8
2,888
Cataract Dam
1
8
3,544
Cordeaux Dam
1
8
934
Woronora Dam
1
8
1,154
Broughtons Pass Weir
2
16
3,550
Pheasants Nest Weir
4
32
5,115
Tallowa Dam
62
444
65,328