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 15 October 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 17 Oct 2024
Percent at 17 Oct 2024
Graph
Lake Bellfield
276.50
78,550
272.55
60,860
77%
+80
67,180
86%
View >>
Lake Fyans
203.80
18,460
202.89
14,250
77%
-70
14,980
81%
View >>
Lake Lonsdale
187.62
53,300
184.98
14,370
27%
-220
27,460
52%
View >>
Moora Moora Reservoir
219.95
6,300
219.4
4,070
65%
-10
3,080
49%
View >>
Rocklands Reservoir
195.47
296,000
190.34
100,860
34%
-1350
137,920
47%
View >>
Taylors Lake
144.66
27,060
143.64
22,360
83%
+1410
19,400
72%
View >>
Lake Toolondo
164.93
50,530
157.36
15,980
32%
-160
24,780
49%
View >>
Lake Wartook
441.68
29,300
439.91
14,270
49%
+30
18,080
62%
View >>
Mt Cole Reservoir
801
27.38
800
99%
0
800
100%
View >>
Green Lake^
135.70
5,350
133.94
2,480
46%
-30
3,760
70%
View >>
Total supply
560,301
247,820
44.23%
-290
313,680
55.98%
ML = Megalitres
FSL = Full Supply Level