Picture: Lake Fyans

In accordance with the Bulk Entitlements and Environmental Entitlement granted under the Water Act 1989 for water taken from the Wimmera-Mallee system headworks, the Storage Manager must prepare an operating plan for the purpose of operating the storages to meet the objectives in sub-clause 4.1 of the Storage Manager Instrument of Appointment. For more information refer to the below document.

The operating plan for 2020-21 comprises of a high-level annual operating plan, and four operating plan supplements. The operating plan supplements provides more details of system operation and outlooks for the corresponding 3-month period. Four operating plan supplements will be released over the course of the season.


Download the Annual Operating Plan here:

Adobe PDF file icon 24x24 Wimmera-Mallee System Headworks Annual Operating Plan 2021-22


 Download the quarterly Annual Operating Plan supplements here:

 Adobe PDF file icon 24x24Quarterly Operating Plan Supplement 1 (July to September 2021)

Adobe PDF file icon 24x24 Quarterly Operating Plan Supplement 2 (October to December 2021)

Adobe PDF file icon 24x24 Quarterly Operating Plan Supplement 3 (January to March 2022)


 Download the Instrument of Appointment here:

Adobe PDF file icon 24x24Storage Manager Instrument of Appointment 2010.pdf