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A lot of science and community knowledge exists about the water needs of plants and animals in rivers and wetlands. Using this knowledge, specific studies have identified the types of flows a particular river needs or the wetting and drying patterns needed by a wetland.

Flow studies tell us about the timing, watering duration and amount of water needed by native plants and animals. Many flow studies have been developed for rivers and wetlands that receive environmental water.

Environmental water management plans are also developed. These plans use the flow studies and help guide watering of rivers and wetlands that receive environmental water. 

Below is a list of available flow studies and environmental water management plans.

Western region

Environmental water in the western region is shared between the Wimmera and Glenelg systems and the Wimmera–Mallee wetlands. Important waterways that receive environmental water include sections of the Glenelg, Wimmera and MacKenzie rivers and Mount William, Burnt and Bungalally creeks, as well as priority wetlands formerly supplied by the Wimmera–Mallee channel system.

Dock Lake flow study [PDF File - 4.9 MB]

Glenelg River flow study [PDF File - 5.7 MB]
Glenelg River Environmental Water Management Plan [PDF File - 9.2 MB]

Wimmera River flow study [PDF File - 8.5 MB]
Wimmera River Environmental Water Management Plan [PDF File - 9.6 MB]

Northern region

The northern region has a vital network of rivers, wetlands and floodplains that provide homes for ancient river red gums and a diversity of other plants and animals. Priority sites include the Goulburn, Broken, Loddon and Campaspe rivers as well as wetlands and floodplains on these systems and on the Victorian Murray system, including Barmah Forest, Gunbower Forest, Hattah Lakes and Lindsay, Wallpolla and Mulcra islands.

Barmah Environmental Water Management Plan [PDF File - 1.9 MB]

Birchs Creek flow study [PDF File - 1.5 MB]
Birchs Creek Environmental Water Management Plan [PDF File - 2.7 MB]

Broken Creek flow study [PDF File - 1.7 MB]

Broken and Boosey Creek flow study [PDF File - 2.7 MB]

Broken River Environmental Watering Plan [PDF File - 3.2 MB]

Cardross and Koorlong Lakes Environmental Water Management Plan [PDF File - 3.0 MB]

Goulburn River flow study [PDF File - 4.4 MB]
Goulburn River Environmental Water Management Plan [PDF File - 3.9 MB]
Goulburn River - Evaluation of summer inter-valley water transfers from Goulburn River [PDF File - 4.0 MB]
Goulburn River - Evaluation for flow freshes in lower Goulburn River [PDF File - 975.4 KB]
Goulburn River - Overbank flow study for lower Goulburn River   [PDF File - 4.0 MB]

Gunbower Creek flow study [PDF File - 5.0 MB]
Gunbower Environmental Water Management Plan [PDF File - 4.5 MB]

Hattah Environmental Water Management Plan [PDF File - 1.5 MB]

Johnstons and Chaffey Bend Environmental Water Management Plan [PDF File - 4.0 MB]

Kiewa River flow study [PDF File - 2.9 MB]

Gippsland region

There are four systems in Gippsland that can receive environmental water: the Latrobe (including the Latrobe River and lower Latrobe wetlands), Thomson, Macalister and Snowy.

Latrobe River: Flow Study 2020 - PDF
Macalister River: Flow Study 2015 - PDF
Thomson River: Flow Recommendations Report 2020 - PDF
Thomson River: Issues Paper 2020 - PDF

Central region

There are six systems that can receive environmental water in the central region – the Yarra and Tarago in the east and the Werribee, Maribyrnong, Moorabool and Barwon (lower Barwon wetlands) in the west.

Lower Barwon wetlands: Flow Study 2012 - PDF
Maribyrnong River: Flow Study 2006 - PDF
Moorabool River: Flow Study 2015 - PDF
Moorabool River: Environmental Water Management Plan 2016 - PDF
Tarago and Bunyip rivers: Flow Study 2018 - PDF
Yarra River: Flow Study 2012 - PDF

Page last updated: 03/08/20