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Water for the environment is used to improve native fish populations, including threatened species. Find out about the priorities for 2023.

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

With most of the Murray–Darling Basin currently experiencing higher than average river flows, we're exploring the benefits of connected waterways.

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.

A heartfelt NAIDOC Week message from our regional engagement officer and Ngemba/Murrawarri man, Phil Sullivan.

A mass fish death is when many fish die suddenly and unexpectedly. It is more likely to happen in times of flood or drought.

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.

We need the community’s help to report any sightings of the pest fish species, Tilapia.

Everybody has a role to play in recovering native fish. The health of native fish in the Murray−Darling Basin is a vital legacy that we leave for future generations.

Australian Government funding under the Northern Basin Toolkit is helping to protect native fish by building fishways, installing screens on pumps and pipes and improving delivery of water for the environment.