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 20 May 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 21 May 2025 Percent at 21 May 2025 Graph
Lake Bellfield 276.50 78,550 270.01 50,760 65% -60 51,810 66% View >>
Lake Fyans 203.80 18,460 202.72 13,560 73% +100 13,090 71% View >>
Lake Lonsdale 187.62 53,300 184.28 6,200 12% +160 10,490 20% View >>
Moora Moora Reservoir 219.95 6,300 218.64 1,430 23% +200 430 7% View >>
Rocklands Reservoir 195.47 296,000 189.43 77,340 26% +370 98,980 33% View >>
Taylors Lake 144.66 27,060 142.06 16,190 60% +90 11,040 41% View >>
Lake Toolondo 164.93 50,530 156.62 10,620 21% +30 16,290 32% View >>
Lake Wartook 441.68 29,300 439.18 9,430 32% +50 7,770 27% View >>
Mt Cole Reservoir 801 25.5 600 74% 0 590 74% View >>
Green Lake^ 135.70 5,350 133.2 1,330 25% +30 2,540 47% View >>
Total supply   560,301   186,130 33.22% +940 210,490 37.57%  

^ 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