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In 2019, the MDBA undertook a detailed survey of the River Murray channel through the Barmah–Millewa Reach. This revealed the presence of a very large quantity of sand on the bed of the river, something that was not expected. Since then, several further studies have been undertaken to investigate the extent and source of the sand, the rate that it is moving at and options to manage it. Reports of these studies are provided below.

An overview of water flow at key points of the River Murray System, including environmental water, regulated and unregulated flows.

Flows in the River Murray System vary widely depending on a range of factors, including rainfall, inflows, evaporation, and demands for water from all users.

Ongoing fish monitoring in the Barmah–Millewa Forest is used to monitor the health of the waterways.

Flows in the River Murray system vary widely depending on a range of factors, including rainfall, inflows, evaporation, and demands for water from all users.

The Chowilla Floodplain is internationally significant. It consists of a range of fast flowing creeks, temporary wetlands, lakes and billabongs. Report Cards are updated each year.

The Coorong, Lower Lakes and Murray Mouth consists of a diverse range of freshwater, estuarine and marine habitats in South Australia. Report Cards are updated each year.

Flows in the River Murray system vary widely depending on a range of factors, including rainfall, inflows, evaporation, and demands for water from all users.

Flows in the River Murray system vary widely depending on a range of factors, including rainfall, inflows, evaporation, and demands for water from all users.

Barmah–Millewa Feasibility Study wrap up from the MDBA.