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The most common cause of mass fish deaths is low levels of oxygen in the water. But fish deaths can also happen for other reasons, sometimes we don’t know why.

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

The annual environmental watering priorities support multi-year environmental watering priorities that remain in focus over a number of years to achieve long-term outcomes.

Deciding where and when water should be released into the Basin river system is complex and requires coordinated planning.

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

Flows in the River Murray System vary widely depending on a range of factors, including rainfall, inflows, evaporation, and demand for water for human use.

The Flows in the River Murray update provides a monthly breakdown of the volume of water flowing for consumptive use and to care for the environment and shows the intended environmental outcomes.

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

Funding has been made available for crucial projects that will secure the health of iconic sites in the Gwydir Valley.

Our plain-language Guide to the Environmental Watering Plan unpacks who's responsible for what, and the benefits we can expect from water for the environment.