Allocation increases for the Murray, Goulburn and Loddon systems

Announcement Date: 15 Oct 2010
Next Announcement Due: 1 Nov 2010

Determination Data

Seasonal determinations for northern Victoria regulated river systems.

  High Reliability Water Share Change to High Reliability Water Share Low Reliability Water Share Comments
Murray 100% +3% 0% -
Broken 100% % 0% -
Goulburn 80% +10% 0% -
Campaspe 100% % 0% -
Loddon 80% +10% 0% -
Bullarook Creek 100% % 100% -

Further Information

Goulburn-Murray Water (G-MW), Resource Manager for northern Victorian water systems, today announced increased seasonal allocations for the Murray, Goulburn and Loddon water systems.

The Murray system allocation has increased by 3% to be 100% of high-reliability water shares (HRWS).

The Goulburn and Loddon system allocations have both increased from 70% HRWS to 80% HRWS, the highest allocations in both systems since the 2005/06 season.

The seasonal allocations for the Broken, Campaspe and Bullarook systems are unchanged. The Broken and Campaspe system allocations are 100% HRWS, and the Bullarook system allocation is 100% HRWS plus 100% of low-reliability water shares.

"With little rain since early September, the rate of resource improvement across northern Victoria had slowed and some irrigation deliveries had commenced," said G-MW's Acting Resource Manager, Mark Bailey. "This slight reduction of resource commitments has been combined with inflows from the rainfall in recent days to make the allocation increases announced today. The full benefit of the rain will be realised over the next fortnight and any improvement will be factored into the next assessment."


2010/11 Outlook for the Goulburn and Loddon Systems

The 2010/11 allocation outlook presented below for the Goulburn and Loddon systems has been prepared on the basis of the resource improvements during recent months. Outlooks for the Murray, Broken and Campaspe systems are not provided because these systems have achieved 100% HRWS allocations.

The outlook for the Goulburn and Loddon systems will be updated on the 15th day of each month until allocations reach 100% HRWS.


The following terminology is used in the tables:

            ‘Wet'               - Inflow volumes that have 1 chance in 10 of being exceeded

            ‘Average'         - Inflow volumes that have 5 chances in 10 of being exceeded

            ‘Dry'                - Inflow volumes that have 9 chances in 10 of being exceeded


Goulburn and Loddon Systems

Inflow Conditions

15 December 2010

15 February 2011











Customers participating in the water trading market are reminded that the Murray-Darling Basin Authority has relaxed the rule controlling allocation trade from upstream of the Barmah Choke to downstream users. The ability to trade across the Barmah Choke will be regularly reviewed by the Murray-Darling Basin Authority and the relaxation may be lifted at any time during the season.