Picture: Lake Fyans

Reservoir Level Summary

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.

 

Updated as of 05 August 2026

Reservoir Name  Water
level at
FSL
(m AHD)		 Contents when full
(ML)		 Current water level
(m AHD)		 Current contents
(ML)		 Current percent
full		 Change in volume
since last update		 Volume at 10 Aug 2025 Percent at 10 Aug 2025 Graph
Lake Bellfield 276.50 78,550 272.55 60,840 77% +580 56,220 72% View >>
Lake Fyans 203.80 18,460 203.22 15,720 85% +70 13,640 74% View >>
Lake Lonsdale 187.62 53,300 185.09 15,920 30% +240 12,520 23% View >>
Moora Moora Reservoir 219.95 6,300 219.68 5,170 82% +180 2,560 41% View >>
Rocklands Reservoir 195.47 296,000 190.35 101,270 34% +1690 103,170 35% View >>
Taylors Lake 144.66 27,060 143.74 22,780 84% +480 11,190 41% View >>
Lake Toolondo 164.93 50,530 156.71 11,230 22% +100 16,380 32% View >>
Lake Wartook 441.68 29,300 440.31 17,320 59% +300 11,490 39% View >>
Mt Cole Reservoir 801 27.37 800 99% 0 720 90% View >>
Green Lake^ 135.70 5,350 133.36 1,550 29% -10 2,550 48% View >>
Total supply   560,301   251,050 44.81% +3,640 227,890 40.67%  

^ 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
ML = Megalitres
FSL = Full Supply Level