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South East Queensland: Statement of Water Assets and Water Liabilities

as at 30 June 2020

  • Water availability in the South East Queensland region decreased during 2019–20.
  • Water availability is represented by the net water assets, which are the volume of water assets minus the water liabilities.

Schematic representation of the South East Queensland region. Total surface water and groundwater assets at 30 June 2020 was 1,560 GL. Total water liabilities was 0 GL. Closing net water assets at 30 June 2020 was 1,560 GL, 7% less than last year.


The Statement of Water Assets and Water Liabilities is provided in the table below. The statement presents the volume of water assets, and water liabilities at the start and end of the reporting year.



Select comparative year

 2020 ML2019 ML2018 ML2017 ML2016 ML2015 ML
Water assets
Surface water1,529,3321,661,5282,128,2252,033,8122,213,3372,564,345
Water table aquifer30,17011,11511,11511,11511,11511,115
Underlying aquifers
Urban water system000000
Claims: surface water*000000
Total water assets1,559,5021,672,6432,139,3402,044,9272,224,4522,575,460
Water liabilities
Surface water liability000000
Allocation remaining: individual users000000
Allocation remaining: urban system*000000
Groundwater liability000000
Allocation remaining: individual users000000
Total water liabilities000000
Net water assets
Net surface water assets1,529,3321,661,5282,128,2252,033,8122,213,3372,564,345
Opening net surface water assets1,661,5282,128,2252,033,8122,213,3372,564,3452,320,939
Change in net surface water assets(132,196)(466,697)94,413(179,525)(351,008)243,406
Closing net surface water assets1,529,3321,661,5282,128,2252,033,8122,213,3372,564,345
Net groundwater assets30,17011,11511,11511,11511,11511,115
Opening net groundwater assets11,11511,11511,11511,11511,1159,340
Change in net groundwater assets19,05500001,775
Closing net groundwater assets30,17011,11511,11511,11511,11511,115
Net urban water assets000000
Opening net urban water assets000000
Change in net urban water assets000000
Closing net urban water assets000000
Total closing net water assets1,559,5021,672,6432,139,3402,044,9272,224,4522,575,460
Total change in net water assets(113,141)(466,697)94,413(179,525)(351,008)245,181


* between-store flows and claims

Note: quantification approaches used to derive each item volume are provided in the Methods