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Summary 2018–19

0.3 GL

water for the environment delivered at this site

0.3 GL tooltip

water used at this site

0 GL tooltip

flowing back to the river system

clipart representing water use


Water for the environment delivered. tooltip
a tick mark

Climate conditions

Dry - above average temperatures with river flows half the long term average. tooltip
icon dry

Works tooltip

Are there works at this site?
a tick mark
Works in use this year?
a cross mark



Local school groups visited the floodplain to learn about ecology and culture. Following an Acknowledgement of Country from Mallee CMA’s Aboriginal Engagement and Water Officer, the groups learned about significant sites such as middens, scar trees and boundary trees. Students also collected data and worked with a scientist to learn about floodplain plants and animals. (Photo: Mallee CMA)


The benefits of water for the environment to river red gums at Hattah-Kulkyne National Park were presented to a native tree forum in Mildura, with attendees hearing about the scientific methods used to measure healthy tree populations.. (Photo: Mallee Catchment Management Authority)


Following natural floods in 2012, consecutive years of water for the environment delivery has sustained trees and plants during dry and hot conditions. (Photo: Mallee CMA)


Six regent parrots, a nationally listed species, were detected at Lake Lockie during the autumn bird survey. (Photo: Mallee CMA)


Surprisingly, Murray cod bred and survived to become juveniles in Lake Mournpall in 2019. Their presence suggests that the Hattah Lakes can support young large-bodied native fish. (Photo: Chris Bloink, Ecology Australia)

Past reports for Hattah Lakes

  Overall   Vegetation Waterbirds Fish
flood icon2018-19 B   B A A
flood icon2017-18 A   A A A
flood icon2016-17 A   A B A
flood icon2015-16 A   A B A
flood icon2014-15 A   - A -
flood icon2013-14 B   A D A
flood icon2012-13 C   B C D
flood icon2011-12 B   B D A
flood icon2010-11 C   D D A
flood icon2009-10 D   C D D
flood icon2008-09 D   D D D
flood icon2007-08 D   D D D
flood icon2006-07 -   - - -
dry icon Dry flood icon Very Wet
wet icon Wet moderate icon Moderate

Each year, water is released into the environment depending on the climatic conditions. See the outcomes of water over time for a long-term view of how natural and released water affects the health of rivers.


Stories from the River Murray – Hattah Lakes
Australian hollyhock
Herbland growing on the lakebed following drawdown.
Emus feeding on herbland
Sulphur-crested cockatoos
Native liquorice
A map of the Murray-Darling Basin see-our-progress MURRAY RIVER ADELAIDE Koondrook-Perricoota Forest Deniliquin Goolwa SOUTHAUSTRALIA VICTORIA NEW SOUTH WALES Barmah-Millewa Forest Hattah Lakes Lower Lakes, Coorong &Murray Mouth GunbowerForest Lindsay, Mulcra & Wallpolla Islands Blanchetown Mildura Swan Hill Albury-Wodonga Echuca ChowillaFloodplain