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Water operations

Dam and Rainfall Levels

Latest Total Storage and Supply Info - All Dams

%
Change in past week

Latest volume

Capacity

View a snapshot of the Greater Sydney catchment

Total water supply for past week

Average daily supply

Net weekly storage change

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

-

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 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
%

Rainfall totals in:

24hrs to 9am

-mm

Past week

-mm

Past year

-mm
Note: Rainfall and e-flows data are only updated on week days, not weekends

Environmental flow releases

Today's requirements

- ML

Past week

- ML

Past year

- ML

Operations Reports

Operations reports

View the latest operations reports at Water Insights

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Historical Data

View historical data and graphs at Water Insights

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96.4
Saturday 25 June
1.1
2,524,148 ML
2,618,706 ML
9,094 ML
1,300 ML
27,516 ML
Saturday 25 June
96.8
Warragamba Dam
Warragamba
Saturday 25 June
1,999,123
2,064,680
1,972,809
2,012,311
1,966,095
26,314
-13,188
33,028
95.6
97.5
95.2
1.3
-0.6
1.6
99.4
Woronora Dam
Woronora
Saturday 25 June
69,112
69,536
60,372
71,790
71,412
8,740
-2,678
-2,300
86.8
103.2
102.7
12.6
-3.9
-3.3
98.7
Avon Dam
Upper Nepean
Saturday 25 June
140,350
142,230
141,412
146,700
145,203
-1,062
-6,350
-4,853
99.4
103.1
102.1
-0.7
-4.5
-3.4
88.9
Cataract Dam
Upper Nepean
Saturday 25 June
86,386
97,190
79,443
97,190
90,196
6,943
-10,804
-3,810
81.7
100.0
92.8
7.1
-11.1
-3.9
98.6
Cordeaux Dam
Upper Nepean
Saturday 25 June
92,519
93,790
92,782
93,484
92,395
-263
-965
124
98.9
99.7
98.5
-0.3
-1.0
0.1
98.4
Nepean Dam
Upper Nepean
Saturday 25 June
66,624
67,730
64,480
67,730
67,349
2,144
-1,106
-725
95.2
100.0
99.4
3.2
-1.6
-1.1
92.6
Prospect Dam
Saturday 25 June
30,869
33,330
32,516
29,958
29,358
-1,647
911
1,511
97.6
89.9
88.1
-4.9
2.7
4.5
80.2
Wingecarribee Reservoir
Shoalhaven
Saturday 25 June
23,978
29,880
21,063
20,640
20,093
2,915
3,338
3,885
70.5
69.1
67.2
9.8
11.2
13.0
54.9
Fitzroy Falls Reservoir
Shoalhaven
Saturday 25 June
5,464
9,950
9,758
7,517
4,772
-4,294
-2,053
692
98.1
75.5
48.0
-43.2
-20.6
7.0
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 7,500 ML is available for transfers.
Saturday 25 June
7,500
7,500
7,500
7,500
7,500
0
0
0
100.0
100.0
100.0
0.0
0.0
0.0
76.9
Blue Mountains Dams
Blue Mountains
Saturday 25 June
2,223
2,890
2,453
2,540
2,259
-230
-317
-36
84.9
87.9
78.2
-8.0
-11.0
-1.2
Warragamba Catchment
0.0
2.8
1,341
Nepean Catchment
0.0
2.6
1,802
Woronora Catchment
0.0
10.2
1,921
Shoalhaven Catchment
0.0
1.9
1,574
Blue Mountains Catchments
0.0
4.5
2,012
Avon Dam
11
103
5,423
Nepean Dam
56
694
12,507
Cataract Dam
19
222
13,922
Cordeaux Dam
20
158
4,333
Woronora Dam
1
50
5,281
Broughtons Pass Weir
26
281
13,951
Pheasants Nest Weir
89
898
29,990
Tallowa Dam
0
3,582
697,989