Water

Small increase for the Bullarook system

By McPherson Media Group

Mar 17, 2025

There was only a small change to irrigation allocations in Monday’s update for the 2024-25 seasonal determinations.

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The Bullarook system seasonal determination increases from 12 per cent of high-reliability water shares to 14 per cent HRWS.

Seasonal determinations in the Murray, Goulburn and Loddon systems remain at 100 per cent HRWS.

The Campaspe system seasonal determination is unchanged at 100 per cent HRWS and 48 per cent low-reliability water shares.

In the Broken system, seasonal determinations remain at the maximum available 100 per cent HRWS and 100 per cent LRWS.

Northern Victoria resource manager Mark Bailey said system operations had helped availability in the Bullarook system.

“The efficiency of the Bullarook system has been better than forecast for the past month,” Dr Bailey said.

“The accumulated savings led to the small improvement announced today [March 17].”

Trading opportunities

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 in the Murray system allows 200 Gl of net trade from NSW to Victoria.

Customers participating in the water trading market can monitor trade availability on the Water Register website: https://waterregister.vic.gov.au/water-trading/

Customers can monitor trading opportunities from above the Barmah Choke to downstream of the choke on the Murray-Darling Basin Authority website: https://www.mdba.gov.au/water-use/water-markets/water-trade/barmah-choke-trade-balance

The final 2024-25 seasonal determination announcement will be released on Tuesday, April 1.