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This is a review of the hydrological models that underpin the Barwon-Darling Watercourse water resource plan that was submitted to the Murray–Darling Basin Authority in June 2020. The 2 most important of these models were the Baseline Diversion Limit model and the Annual Permitted Take model. This review was prepared to assist the Murray–Darling Basin Authority in their appraisal of the Barwon-Darling Watercourse water resource plan prior to its accreditation and implementation under the Basin Plan.

Citizen scientists are being called to swap their backyards for a local waterway by joining a wave of volunteers across the Murray–Darling Basin to help with conservation efforts.

The Spring testing season is now live. Funding for the initial 420 sites has been provided by the MDBA to make them free and available to the community.

The Chowilla Floodplain was inundated in late 2022 – monitoring shows the ecosystem is now thriving.

A billabong which has filled for the first time in years is the site of a new fish monitoring project.

The Basin’s annual fish survey shows positive signs for important native species

The River Murray Water Quality Monitoring Program has captured physical and chemical data from 28 River Murray and tributary sites since 1978. This report examines long-term trends in water quality and drivers of change.

Along with our river management partners, we use a variety of models to support the planning and running of the Murray–Darling Basin’s rivers.

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.

Assessing the effectiveness of water management initiatives in the Murray–Darling Basin is vital.