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Water use in catchments

Choose a catchment to see information about environmental watering actions, portfolio and planning and monitoring in the catchment.

Border Rivers

Border Rivers Catchment

The Border Rivers region is based around the Macintyre River and the Dumaresq River, which merge to form the Macintyre River.


Overview of the fivebough and tuckerbil swamps wetland area near leeton

The Lachlan Valley catchment in central western NSW centres on the Lachlan River.


Macquarie marshes, buckiinguy swamp - glossy ibis

The Macquarie-Castlereagh catchment is situated in central western NSW and is based around the Castlereagh, Macquarie and Bogan River valleys.


Mundarlo bridge, Murrumbidgee NSW

The Murrumbidgee Catchment covers 84,000 square kilometres of southern New South Wales.

Northern Unregulated Rivers

Northern unregulated rivers catchment

The northern unregulated rivers region includes the Barwon-Darling, the Condamine-Balonne, the Moonie, the Warrego and Border Rivers.


Water birds near the main barrage at goolwa

The Gwydir catchment is in north-eastern New South Wales and is based around the Gwydir River.

​Lower Murray-Darling

Hattah Lakes

The Lower Murray-Darling Region consists of the River Murray downstream of Lock 15 at Euston to the Murray Mouth, the Darling River below Menindee Lakes and the Great Darling Anabranch.


Environmental monitoring in Reedy Lagoon, Gunbower Vic

The Mid-Murray region extends from Hume Dam to Euston and includes the Edward-Wakool system.


Namoi catchment

The Namoi River catchment is in north-eastern New South Wales, and is based around the Namoi, Manilla and Peel rivers.

Victorian Rivers

Victorian rivers catchment

The Victorian Rivers region encompasses the Ovens, Goulburn-Broken, Loddon, Wimmera and Campaspe catchments.

More about the catchments

Rivers in the northern catchments are less regulated and have extremely variable flows. Most floods in the northern catchments take place as a result of summer rainfall. At high flows, water spreads out over a vast floodplain and a significant amount of water does not return to the rivers. Periods of zero flow in the northern catchments can last months or even years.

The southern catchments of the Murray-Darling Basin are highly regulated systems that flow through a variety of landscapes across New South Wales, Victoria and South Australia.

The headwaters of both the Murray and the Murrumbidgee catchments originate in the wetter, cooler climate of the Australian Alps before flowing westward into the warmer, drier climate of the floodplains.