Mark Bailey said there was a small change in the risk of spill for the Murray system, but the risk in the Goulburn and Campaspe systems remain unchanged since the last assessment on July 1.
“Based on updated Murray system account information, the risk of spill at Lake Hume is 43 per cent,” Dr Bailey said.
“The risk of spill from Lake Eildon in the Goulburn system remains at 25 per cent. The risk of spill from Lake Eppalock in the Campaspe system is also unchanged at 40 per cent.”
Dr Bailey said the risk of spill assessment did not describe the chances of flooding this season.
“The risk of spill is a water accounting assessment. It does not refer to flood risks downstream of the storages,” he said.
Allocation trade from NSW 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 Victoria’s share of both Hume and Dartmouth reservoirs below 50 per cent.
The current risk of spill from Victoria’s share of Hume and Dartmouth allows 200 Gl of allocation trade from NSW to Victoria.
The volume available for trade is updated monthly with each risk of spill announcement.
The risk of spill in the Murray, Goulburn and Campaspe systems will be updated again on Monday, August 11.
For more information, visit https://nvrm.net.au/ and https://www.mdba.gov.au/water-use/allocations/how-river-murray-water-shared
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