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The likelihood of water quality issues has increased after the Murray–Darling Basin experienced its wettest November on record.

The annual Eastern Australian Waterbird Survey started in October 2021 with researchers expected to survey 38 sites across the Basin.

More than 50 species of native fish and 11 species of introduced fish have been identified in the Basin. Native fish play an important role in the environment.

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.

Hundreds of wildlife species live in the Murray–Darling Basin.

There are 149 identified reptile species living in the Basin, including 46 snake species, 100 lizard species and 3 freshwater turtle species.

The Basin is home to a wide variety of waterbirds and woodland birds, some of which live in the Basin all year round and some of which are migratory.

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.