Reservoir levels are collected on a weekly basis covering Thursday to Wednesday each week. Data is uploaded to our website every Wednesday afternoon.
Click on each reservoir below for more information.
Click here to view reservoir algae warnings.
^ Green Lake (near Horsham) – Water volume is not included in the total supply volume or percentage
AHD = Australian Height Datum, expressed in metres above mean sea levelUpdated as of 21 May 2025
Reservoir Name
Water
level at
FSL
(m AHD)Contents when full
(ML)Current water level
(m AHD)Current contents
(ML)Current percent
fullChange in volume
since last updateVolume at 24 May 2024
Percent at 24 May 2024
Graph
Lake Bellfield
276.50
78,550
270.2
51,490
66%
-320
68,040
87%
View >>
Lake Fyans
203.80
18,460
202.57
12,960
70%
-130
13,220
72%
View >>
Lake Lonsdale
187.62
53,300
184.65
10,350
19%
-140
30,300
57%
View >>
Moora Moora Reservoir
219.95
6,300
218.27
480
8%
+50
3,550
56%
View >>
Rocklands Reservoir
195.47
296,000
190.25
98,440
33%
-540
133,610
45%
View >>
Taylors Lake
144.66
27,060
140.53
11,040
41%
0
20,410
75%
View >>
Lake Toolondo
164.93
50,530
157.49
16,200
32%
-90
25,570
51%
View >>
Lake Wartook
441.68
29,300
438.88
7,650
26%
-120
15,690
54%
View >>
Mt Cole Reservoir
801
25.33
580
72%
-10
750
94%
View >>
Green Lake^
135.70
5,350
133.97
2,520
47%
-20
3,320
62%
View >>
Total supply
560,301
209,190
37.34%
-1,300
311,140
55.53%
ML = Megalitres
FSL = Full Supply Level