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In response to the declining flow capacity, the increasing risks, and the recommendation that a range of intervention measures be investigated, the MDBA instigated the Barmah–Millewa Feasibility Study (BMFS). Six options were investigated as part of the Barmah–Millewa Feasibility Study.

The Barmah–Millewa Feasibility Study investigated and assessed options for reinstating water delivery capacity in the Barmah–Millewa Reach.

The Barmah–Millewa Reach, or the narrowest parts of it, are referred to as the ‘The Narrows’. It was previously referred to as Barmah Choke.

There is reduced flow of water through the Barmah–Millewa Reach caused from the build-up of sand on the riverbed.

Water, sunlight, and clean air – did you know Goondiwindi has the perfect environment for growing ocean microalgae? This week MDBA Chair Sir Angus Houston visited Goondiwindi's Algae Pharm as part of his listening tour and learnt how the algae farm captures and recycles water.

The Murray–Darling Basin Authority undertook a three year study (2009–2012) on the Barmah Choke to investigate the potential water supply and environmental risks.

In 2019, the Murray–Darling Basin Authority undertook a detailed survey of the River Murray through the Barmah–Millewa Reach to investigate the reduction in regulated flow capacity through the Reach. This revealed the presence of a large quantity of sand on the bed of the river, referred to as a ‘sand slug’, which was not expected. In response to this, the MDBA has undertaken a series of investigations to understand the extent and source of the sand, the rate it is moving at and options to manage it.

Over recent years there have been significant changes in water use on the River Murray between Barmah and the South Australian border. This study investigates the changes historical data shows over time.

This report examines the impact of various levels of water recovery on floodplain grazing using a simulation model.

This documentation provides an explanation of the land use models and different formulae applied with accompanying spreadsheets.