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The River Murray Water Quality Monitoring Program has captured physical and chemical data from 28 River Murray and tributary sites since 1978. This report examines long-term trends in water quality and drivers of change.

The most common cause of mass fish deaths is low levels of oxygen in the water. But fish deaths can also happen for other reasons, sometimes we don’t know why.

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.

Blue-green algae occur naturally in rivers, lakes and dams. Under certain conditions, blue-green algae multiply quickly, creating an ‘algal bloom’ that can decrease water quality.

Water quality issues have increased as flood waters bring nutrient loads into rivers.

Sam O’Rafferty is an emerging young leader who is passionate about solving water efficiency problems for growers.

The Murray–Darling Basin Authority (MDBA) operates the River Murray to share water between New South Wales, Victoria and South Australia, as required under the Murray–Darling Basin Agreement. To undertake this work the MDBA has built, maintained and operated a hydrological model of the River Murray.

The delivery of water from the major storages in the Upper Murray to irrigators throughout the Basin can be challenging. There are a number of constraints that impact water delivery to below the Barmah Reach, such as the length of time required to deliver water and the amount of water that can be delivered at any one time.

New telecommunications tools are changing the way Australian rice is grown.

Acid sulfate soils can pose a serious risk to the health of the plants, animals and communities of the Murray–Darling Basin especially during high risk periods such as droughts under low flows and water levels.