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This research report outlines the development of the survey tool and presents the survey findings in relation to the importance of environmental water to Aboriginal Nations in the north of the Basin.

Scientists have found an increase in food to support all river life was created by a recent water for the environment flow which inundated wetlands before returning to the River Murray.

Native fish are reappearing in areas of the Murray–Darling Basin where they were believed to be locally extinct or critically endangered.

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.

Find out how water for the environment is planned and prioritised, how environmental outcomes are identified, and how we plan for future use of water for the environment.

In 2018, the Murray–Darling Basin Authority commissioned an independent review by eminent hydrology experts of the risks posed by reduced return flows. This was in response to concerns raised that increases in groundwater sustainable diversion limits and irrigation efficiency projects may lead to reductions in river flow and offset the benefits of surface water recovery for the environment.

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.

The Murray–Darling Basin Authority met on 10 March 2020, less than 24 hours before the first flows made their way from the Darling River into Menindee Lakes.