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Burdekin: Statement of Water Assets and Water Liabilities

as at 30 June 2021

  • Water availability in the Burdekin region decreased slightly during 2020–21.
  • Water availability is represented by the net water assets, which are the volume of water assets minus the water liabilities.

Schematic representation of the Burdekin region. Total surface water and groundwater assets at 30 June 2021 was 2,134 GL. Total water liabilities was 160 GL. Closing net water assets at 30 June 2021 was 1,974 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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  2021 ML 2020 ML 2019 ML 2018 ML 2017 ML 2016 ML
Water assets
Surface water 1,939,719 1,875,552 1,995,129 1,890,101 1,946,398 1,871,324
Accessible storages 1,921,955 1,856,991 1,975,730 1,874,089 1,932,171 1,861,918
Dead storages 9,406 9,406 9,406 9,406 9,406 9,406
Rivers 8,358 9,155 9,993 6,606 4,821 –
 
Groundwater 194,344 226,345 188,240 168,704 98,478 107,714
Water table aquifer 194,344 226,345 188,240 168,704 98,478 107,714
Underlying aquifers – – – – – –
 
Total water assets 2,134,063 2,101,897 2,183,369 2,058,805 2,044,876 1,979,038
Water liabilities
Surface water liability 159,976 108,151 119,813 74,084 60,157 820
Allocation remaining: individual users 0 0 0 0 1,333 820
Allocation remaining: urban system 0 0 0 0 0 0
Allocation remaining: irrigation scheme 159,976 108,151 119,813 74,084 58,824 0
Allocation remaining: inter-region transfer 0 0 0 0 0 0
 
Groundwater liability 0 0 0 0 0 0
Allocation remaining: individual users 0 0 0 0 0 0
Allocation remaining: urban system 0 0 0 0 0 0
Allocation remaining: irrigation scheme 0 0 0 0 0 0
 
Total water liabilities 159,976 108,151 119,813 74,084 60,157 820
Net water assets
Net surface water assets 1,779,743 1,767,401 1,875,316 1,816,017 1,886,241 1,870,504
Opening net surface water assets 1,767,401 1,875,316 1,816,017 1,886,241 1,870,504 1,435,806
Change in net surface water assets 12,342 (107,915) 59,299 (70,224) 15,737 434,698
Closing net surface water assets 1,779,743 1,767,401 1,875,316 1,816,017 1,886,241 1,870,504
 
Net groundwater assets 194,344 226,345 188,240 168,704 98,478 107,714
Opening net groundwater assets 226,345 188,240 168,704 98,478 107,714 93,451
Change in net groundwater assets (32,001) 38,105 19,536 70,226 (9,236) 14,263
Closing net groundwater assets 194,344 226,345 188,240 168,704 98,478 107,714
Total closing net water assets 1,974,087 1,993,746 2,063,556 1,984,721 1,984,719 1,978,218
             
Total change in net water assets (19,659) (69,810) 78,835 2 6,501 448,961
 

 

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