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National Water Account 2017

South East Queensland: Statement of Water Flows

for the year ended 30 June 2017

The volume of water in the region's storages at 30 June 2017 was 2,044,927 ML, a decrease of 179,525 ML from the start of the 2016–17 year. This decrease represents the change in water volume in the region's surface water storages, and is the second annual decrease in a row.


Diagram showing water inflows, outflows, and closing water storage for the South East Queensland region for 2016–17.


The Statement of Water Flows is provided below and presents the actual water flows associated with the region's water stores during the year, including flows corresponding to the accrual transactions shown in the Statement of Changes in Water Assets and Water Liabilities.




 2017 ML2016 ML
Water inflows
Surface water inflows3,691,1071,878,545
Discharge: user2,4559,287
Overbank flood return128,834-
Groundwater inflows
Urban water system inflows252,687246,609
Wastewater collected251,070245,085
Delivery: desalinated water1,5621,524
Delivery: inter-region55-
Total water inflows3,943,7942,125,154
Water outflows
Surface water outflows3,480,6911,935,878
Leakage: landscape227,536265,018
Diversions: statutory rights3,7943,810
Non-allocated diversion: individual users1,3231,316
Allocated diversion: individual users22,60027,388
Overbank flood spilling168,727
Other decreases00
Groundwater outflows9,6479,469
Non-allocated extraction: individual users4,1094,951
Allocated extraction: individual users5,5384,518
Urban water system outflows560,926507,936
Supply system delivery: urban users313,447264,097
Discharge: sea213,598208,648
Discharge: landscape1,1892,581
Other supply system decreases11,2429,141
Recycled water delivery: urban users19,47821,193
Recycled water delivery: irrigation104
Supply system transfer: inter-region82
Wastewater transfer: inter-region549
Other wastewater and recycled water system decreases1,2372,276
Total water outflows4,051,2642,453,283
Unaccounted-for difference(72,055)(22,879)
Opening water storage2,224,4522,575,460
Change in water storage(179,525)(351,008)
Closing water storage2,044,9272,224,452