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National Water Account 2019

Sydney: Statement of Water Assets and Water Liabilities

as at 30 June 2019

  • Water availability in the Sydney region's storages decreased during 2018–19.
  • Water availability is represented by the net water assets, which are the volume of water assets minus the water liabilities.



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

 2019 ML2018 ML2017 ML2016 ML2015 ML2014 ML
Water assets
Surface water  1,452,0302,047,2352,693,3962,823,9222,667,3332,390,437
Storages 1,447,8522,042,2432,687,5242,813,6712,661,6782,386,167
Rivers 1,8112,6253,5057,8843,2881,903
Claims: inter-region 2,3672,3672,3672,3672,3672,367
Groundwater  –
Aquifers –
Urban water system  0000**0**0
Claims: surface water* 000000
Total water assets 1,452,0302,047,2352,693,3962,823,9222,667,3332,390,437
Water liabilities
Surface water liability  000000
Allocation remaining: individual users 000000
Allocation remaining: urban system* 000000
Groundwater liability  000000
Allocation remaining: individual users 000000
Allocation remaining: urban system 000000
Total water liabilities 000000
Net water assets
Net surface water assets 1,452,0302,047,2352,693,3962,823,9222,667,3332,390,437
Opening net surface water assets 2,047,2352,693,3962,823,9222,667,3332,390,4372,840,751
Change in net surface water assets (595,205)(646,161)(130,526)156,589**276,896(450,314)
Closing net surface water assets 1,452,0302,047,2352,693,3962,823,9222,667,3332,390,437
Net groundwater assets –
Opening net groundwater assets –
Change in net groundwater assets 000000
Closing net groundwater assets –
Net urban water assets 000000
Opening net urban water assets 000000
Change in net urban water assets 000000
Closing net urban water assets 000000
Total closing net water assets  1,452,0302,047,2352,693,3962,823,9222,667,3332,390,437


* between-store claims/liabilities

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