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Canberra: Statement of Water Assets and Water Liabilities

as at 30 June 2020

  • Water availability in the Canberra region's storages decreased marginally 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 Canberra region. Total water assets at 30 June 2020 was 199 GL. Total water liabilities was 0 GL. Closing net water assets at 30 June 2020 was 199 GL, 2% 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 water 197,831202,110236,639279,002280,711267,508
Lakes and wetlands39,19139,23039,180**39,170**39,324**39,138
Urban system 966966966966966966
Urban system storages966966**966**966**966**966
Claims: surface water*000000
Total water assets198,797203,076**237,605**279,968**281,677**268,474
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 assets197,831202,110236,639279,002280,711267,508
Opening net surface water assets202,110236,639279,002**280,711**267,508**264,059
Change in net surface water assets(4,279)(34,529)(42,363)**(1,709)**13,203**3,449
Closing net surface water assets197,831202,110236,639**279,002**280,711**267,508
Net groundwater assets
Opening net groundwater assets
Change in net groundwater assets000000
Closing net groundwater assets
Net urban water assets966966966966966966
Opening net urban water assets966966**966**966**966**900
Change in net urban water assets0000066
Closing net urban water assets966966**966**966**966**966
Total closing net water assets 198,797203,076**237,605**279,968**281,677**268,474
Total change in net water assets(4,279)(34,529)**(42,363)**(1,709)**13,203**3,515


* between-store claims / liabilities

** different to published volume in historical accounts (see Governance for more information)

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