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 27 August 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 02 Sep 2024
Percent at 02 Sep 2024
Graph
Lake Bellfield
276.50
78,550
271.52
56,650
72%
+40
68,220
87%
View >>
Lake Fyans
203.80
18,460
202.77
13,740
74%
+70
13,510
73%
View >>
Lake Lonsdale
187.62
53,300
184.86
12,920
24%
+180
29,270
55%
View >>
Moora Moora Reservoir
219.95
6,300
219.06
2,800
44%
+30
4,370
69%
View >>
Rocklands Reservoir
195.47
296,000
190.42
103,140
35%
-740
136,510
46%
View >>
Taylors Lake
144.66
27,060
140.73
11,710
43%
+290
19,320
71%
View >>
Lake Toolondo
164.93
50,530
157.41
16,390
32%
0
25,370
50%
View >>
Lake Wartook
441.68
29,300
439.57
11,880
41%
+130
17,100
58%
View >>
Mt Cole Reservoir
801
27.07
770
96%
+10
800
100%
View >>
Green Lake^
135.70
5,350
134
2,580
48%
+40
3,320
62%
View >>
Total supply
560,301
230,000
41.05%
+10
314,470
56.13%
ML = Megalitres
FSL = Full Supply Level