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Adelaide: Statement of Water Assets and Water Liabilities

For the water account period 1 July 2024 to 30 June 2025

  • In the Adelaide region, water availability decreased by 10% during 2024–25 in response to changes in surface water assets.
  • Water availability is represented by the net water assets, which are the volume of water in storage minus the water liabilities.

Schematic representation of the total volume of water assets and water liabilities in the Adelaide region, as well as the closing net water assets at the end of the current reporting period.

The Statement of Water Assets and Water Liabilities provides a detailed breakdown of the volume of water assets and water liabilities in the Adelaide region over the past six water accounting periods ending 30 June, as well as changes in net water assets between the start (1 July) and end (30 June) of each reporting period.

To view the Statement of Water Assets and Water Liabilities, scroll down to the table below.

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 2025 (ML)2024 (ML)2023 (ML)2022 (ML)2021 (ML)2020 (ML)
Water assets
Surface water79,09493,038142,627105,249100,83698,782
Accessible storage72,32985,087131,51693,40988,44190,405
Dead storage6,2346,2346,2346,2346,2346,234
Rivers5311,7174,8775,6066,1612,143
 
Groundwater86,35686,35686,35686,35686,35686,356
Aquifers86,35686,35686,35686,35686,35686,356
 
Urban water supply000000
Urban water claims on surface water*000000
 
Irrigation scheme000000
Irrigation scheme claims: inter-region000000
 
Total water assets165,450179,394228,983191,605187,192185,138
Water liabilities
Surface water liability005,95916,086332622
Surface water allocation remaining: individual users005,95916,086332622
Surface water liability to urban water supply*000000
 
Groundwater liability42,72342,72345,23947,04935,44536,946
Groundwater allocation remaining: individual users42,72342,72345,23947,04935,44536,946
 
Total water liabilities42,72342,72351,19863,13535,77737,568
Net water assets
Net surface water assets79,09493,038136,66889,163100,50498,160
Opening net surface water assets93,038136,66889,163100,50498,16092,913
Change in net surface water assets(13,944)(43,630)47,505(11,431)2,3445,247
Closing net surface water assets79,09493,038136,66889,163100,50498,160
 
Net groundwater assets43,63341,11739,30759,01149,41050,298
Opening net groundwater assets43,63341,11739,30750,91149,41050,298
Change in net groundwater assets02,5161,810(11,604)1,501(888)
Closing net groundwater assets43,63343,63341,11739,30750,91149,410
 
Net urban water assets000000
Opening net urban water assets000000
Change in net urban water assets000000
Total closing net water assets122,727136,671177,785
128,470151,415147,570
Total change in net water assets(13,944)(41,114)49,315(22,945)3,8454,359

*between-store claims / liabilities

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