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 level
Updated as of 16 July 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 18 Jul 2024
Percent at 18 Jul 2024
Graph
Lake Bellfield
276.50
78,550
270.3
51,870
66%
+510
67,140
85%
View >>
Lake Fyans
203.80
18,460
202.57
12,930
70%
+80
13,120
71%
View >>
Lake Lonsdale
187.62
53,300
184.68
10,760
20%
+100
29,210
55%
View >>
Moora Moora Reservoir
219.95
6,300
218.67
1,520
24%
+170
3,680
58%
View >>
Rocklands Reservoir
195.47
296,000
190.3
99,810
34%
+880
134,090
45%
View >>
Taylors Lake
144.66
27,060
140.45
10,790
40%
+10
20,450
76%
View >>
Lake Toolondo
164.93
50,530
157.39
16,220
32%
+100
25,450
50%
View >>
Lake Wartook
441.68
29,300
439
8,320
28%
+510
15,680
54%
View >>
Mt Cole Reservoir
801
25.28
580
72%
+20
800
100%
View >>
Green Lake^
135.70
5,350
133.96
2,510
47%
+10
3,320
62%
View >>
Total supply
560,301
212,800
37.98%
+2,380
309,620
55.26%
ML = Megalitres
FSL = Full Supply Level