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

Hydrological and hydrodynamic modelling supports informed decision making at the MDBA.

We use maps and spatial data, including remote sensing data daily, to support our various programs and projects. This includes data on hydrology, biota, terrain, vegetation, geology, and important built and natural assets.

River system models, developed by Basin states, the Murray–Darling Basin Authority (MDBA) and Snowy Hydro Limited, have been used to inform development and implementation of key water management policies across the Murray–Darling Basin for over 40 years.

The Lower Darling was subject to tragic fish death events in December 2018 and January 2019. The large fish death events covered a 40 kilometre stretch of the Darling River, downstream of Menindee Lakes. 

The health of native fish in the Murray−Darling Basin is a vital legacy that we leave for future generations. Releasing water for the environment helps to restore native fish populations so all of us can benefit from healthy rivers.

Basin governments, community, First Nations, recreational fishers and scientists have developed the Native Fish Recovery Strategy.

When the Basin Plan was legislated in 2012, it was recognised that the information base in the northern Basin was less developed than that in the south. With the support of Basin governments, the Murray–Darling Basin Authority undertook a planned review of the sustainable diversion limits in the north.

Basin state governments have prepared an Emergency Response Plan for the 2019–20 summer to ensure actions are coordinated and resources available to respond quickly to address risks to fish populations.