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 12 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 15 Aug 2025 Percent at 15 Aug 2025 Graph
Lake Bellfield 276.50 78,550 272.98 62,670 80% +1830 56,470 72% View >>
Lake Fyans 203.80 18,460 203.32 16,180 88% +460 13,670 74% View >>
Lake Lonsdale 187.62 53,300 185.24 17,970 34% +2050 12,740 24% View >>
Moora Moora Reservoir 219.95 6,300 219.74 5,420 86% +250 2,680 43% View >>
Rocklands Reservoir 195.47 296,000 190.42 103,270 35% +2000 103,660 35% View >>
Taylors Lake 144.66 27,060 143.99 23,890 88% +1110 11,320 42% View >>
Lake Toolondo 164.93 50,530 156.75 11,540 23% +310 16,410 32% View >>
Lake Wartook 441.68 29,300 440.55 19,260 66% +1940 11,630 40% View >>
Mt Cole Reservoir 801 27.4 800 99% 0 740 92% View >>
Green Lake^ 135.70 5,350 133.4 1,610 30% +60 2,550 48% View >>
Total supply   560,301   261,000 46.58% +9,950 229,320 40.93%  

^ 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