Picture: Lake Fyans

The storage volume comparison shows how the reservoir system is performing to compared to previous years.


Download the comparisons here:

Adobe PDF file icon 24x24Historic Storage Level 


The cumulative monthly inflows graph can show how dry or wet the season is. Download the inflow graph here:

Adobe PDF file icon 24x24Cumulative Natural Inflow to Water Storages


The Historic inflow comparison shows total reservoir inflow for every season since 1950, compared with the historic average inflow, and Post-1997 average inflow. (Note: for reservoirs constructed after 1950, inflow is simulated for the period prior to construction)

Adobe PDF file icon 24x24 Historic Inflow Comparison


The Reservoir system performance graph provides a summary of total inflow, outflow and evaporation loss from each reservoir for the previous water year.

Adobe PDF file icon 24x24 Grampians Reservoir System Performance 2022-23