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Canberra: Statement of Water Assets and Water Liabilities

as at 30 June 2022

  • Water availability in the Canberra region's storages decreased slightly during 2021-22.
  • 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 2022 was 328 GL. Total water liabilities was 0 GL. Closing net water assets at 30 June 2022 was 328 GL, 1% 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.

 

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  2022 (ML) 2021 (ML) 2020 (ML) 2019 (ML) 2018 (ML) 2017 (ML)
Water assets
Surface water 327,497 330,988 1197,823 201,870 236,737 279,125
Accessible storage 277,838 277,838 152,764 157,079 191,729 233,981
Dead storage 5,058 5,058 5,058 5,058 5,508 5,058
Rivers 5,433 8,924 819 503 770 916
Lakes and wetlands 39,168 39,168 39,182 39,230 39,180 39,170
   
Groundwater - - – – – –
Aquifers - - – – – –
   
Urban system 966 966 966 966 966 966
Urban system storages 966 966 966 966 966 966
   
Total water assets 328,463 331,954 198,789 202,836 237,703 280,091
Water liabilities
Surface water liability 0 0 0 0 0 0
Allocation remaining: individual users 0 0 0 0 0 0
 
Groundwater liability 0 0 0 0 0 0
Allocation remaining: individual users 0 0 0 0 0 0
 
Total water liabilities 0 0 0 0 0 0
Net water assets
Net surface water assets 328,463 331,954 198,789 202,836 237,703 280,091
Opening net surface water assets 330,988 197,823 201,870 236,737 279,125 279,755
Net change in surface water assets (3,419) 133,165 (4,047) (34,867) (42,388) (630)
Closing net surface water assets 327,497 330,988 197,823 201,870 236,737 279,125
 
Net groundwater assets - - – – – –
Opening net groundwater assets - - – – – –
Change in net groundwater assets 0 0 0 0 0 0
Closing net groundwater assets - - – – – –
 
Net urban water assets 966 966 966 966 966 966
Opening net urban water assets 966 966 966 966 966 966
Net change in urban water assets 0 0 0 0 0 0
Closing net urban water assets 966 966 966 966 966 966
Total closing net water assets 328,463 331,954 198,789 203,836 237,703 280,091
Total change in net water assets (3,491) 133,165 (4,047) (34,867) (42,388) (630)

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