Current Risk of Spill

Monday 12 July, 2021

2021/22 Risk of Spill update for Murray, Goulburn and Campaspe systems

The Resource Manager for northern Victoria today updated the 2021/22 risk of spill for each of the Murray, Goulburn and Campaspe systems.

Resource Manager Dr Mark Bailey said end of June storage and inflow data was used to update the risks of spill after the July 1, 2021 assessment.

“Victoria’s share of the volume in Lake Hume gives the Murray system about a 40 per cent risk of spill,” Dr Bailey said.

“The risk of spill from Lake Eildon in the Goulburn system is about 30 per cent and the risk of spill is about 40 per cent from Lake Eppalock in the Campaspe system.”

Dr Bailey said the risk of spill assessment did not describe the chances of flooding in the Murray, Goulburn or Campaspe systems this season.

“The risk of spill is a water accounting assessment. It does not refer to flood risks downstream of the storages," Dr Bailey said.

Trading opportunities

Allocation trade from New South Wales to Victoria is limited to the lesser of a net annual volume of 200 GL or a volume that keeps the risk of spill in the Victoria’s share of the both Hume and Dartmouth reservoirs below 50 per cent.

The current risk of spill in the Murray system allows 200 GL of net trade from New South Wales to Victoria. This volume will be updated with each risk of spill announcement. Customers can find out more about trade opportunities and a trial of improved trade adjustment methods on the Victorian Water Register website.

Next announcement on risk of spill

The risk of spill in the Murray, Goulburn and Campaspe systems in 2021/22 will be updated on Tuesday 10 August 2021.

For information about the Resource Manager for northern Victorian regulated water systems, including seasonal determinations and resource availability, please visit

The status of Victorian shares of Murray storages is available at the Murray-Darling Basin Authority website.