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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
96.0
Monday 24 April
-0.3
2,478,505 ML
2,581,749 ML
5,640 ML
806 ML
-6,310 ML
Monday 24 April
95.8
Warragamba Dam
Warragamba
Monday 24 April
1,941,008
2,027,000
1,809,604
1,912,230
1,942,483
131,404
28,778
-1,475
89.3
94.3
95.8
6.5
1.4
-0.1
97.8
Woronora Dam
Woronora
Monday 24 April
70,225
71,790
56,092
69,498
70,409
14,133
727
-184
78.1
96.8
98.1
19.7
1.0
-0.3
98.8
Avon Dam
Upper Nepean
Monday 24 April
144,991
146,700
129,538
146,700
145,950
15,453
-1,709
-959
88.3
100.0
99.5
10.5
-1.2
-0.7
96.1
Cataract Dam
Upper Nepean
Monday 24 April
93,406
97,190
81,752
97,190
94,907
11,654
-3,784
-1,501
84.1
100.0
97.7
12.0
-3.9
-1.5
97.5
Cordeaux Dam
Upper Nepean
Monday 24 April
91,315
93,640
76,244
90,855
91,009
15,071
460
306
81.4
97.0
97.2
16.1
0.5
0.3
98.0
Nepean Dam
Upper Nepean
Monday 24 April
66,373
67,730
54,307
67,730
66,970
12,066
-1,357
-597
80.2
100.0
98.9
17.8
-2.0
-0.9
93.2
Prospect Dam
Monday 24 April
31,073
33,330
28,515
32,153
32,464
2,558
-1,080
-1,391
85.6
96.5
97.4
7.7
-3.2
-4.2
90.1
Wingecarribee Reservoir
Shoalhaven
Monday 24 April
21,749
24,130
12,856
21,447
21,576
8,893
302
173
53.3
88.9
89.4
36.9
1.3
0.7
86.5
Fitzroy Falls Reservoir
Shoalhaven
Monday 24 April
8,606
9,950
3,053
8,797
8,941
5,553
-191
-335
30.7
88.4
89.9
55.8
-1.9
-3.4
96.3
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.
Monday 24 April
7,220
7,500
6,480
7,500
7,500
740
-280
-280
86.4
100.0
100.0
9.9
-3.7
-3.7
91.0
Blue Mountains Dams
Blue Mountains
Monday 24 April
2,539
2,789
2,116
2,712
2,606
423
-173
-67
75.9
97.2
93.4
15.2
-6.2
-2.4
Warragamba Catchment
0.0
1.8
920
Nepean Catchment
0.1
2.1
1,261
Woronora Catchment
3.5
5.3
1,406
Shoalhaven Catchment
0.0
3.4
1,179
Blue Mountains Catchments
0.0
0.5
1,388
Avon Dam
15
122
8,620
Nepean Dam
21
243
13,907
Cataract Dam
19
172
12,155
Cordeaux Dam
1
63
11,702
Woronora Dam
6
62
8,908
Broughtons Pass Weir
26
250
12,148
Pheasants Nest Weir
45
522
41,251
Tallowa Dam
352
3,116
272,641