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Fitzroy: Statement of Changes in Water Assets and Water Liabilities

for the year ended 30 June 2021

  • The volume of water in the region's storages increased during 2020–21 for the first time in four years.
  • This increase represents the change in water volume in the region's surface water storages.

Schematic representation of the Fitzroy region. Total water inflows during 2020–21 was 1,503 GL. Total water outflows was 1,621 GL. Water storage at 30 June 2021 was 47 GL more than the previous year.

The Statement of Changes in Water Assets and Water Liabilities is provided in the table below. The statement presents the actual water flows associated with the region's water stores, as well as the changes in water assets and water liabilities that occurred during the year.

 

 

Select comparative year

 

  2021 ML 2020 ML 2019 ML 2018 ML 2017 ML
Water inflows
Surface water inflows 1,503,368 2,936,365 2,951,292 3,088,790 12,596,802
Precipitation 116,089 133,530 125,847 172,324 245,177
Runoff 1,382,798 2,785,136 2,751,707 2,903,635 12,158,925
Flood return 4,481 17,699 73,738 12,831 192,700
 
Groundwater inflows
Inter-region inflow
Recharge: landscape
 
Total water inflows 1,503,368 2,936,365 2,951,292 3,088,790 12,596,802
Water outflows
Surface water outflows 1,514,319 3,911,648 2,273,512 2,517,586 10,009,218
Evaporation 431,192 474,074 470,116 490,572 414,118
Outflow 560,548 2,743,223 1,336,614 1,067,762 8,375,644
Overbank flow 17,744 153,870 148,747 454,246 744,236
Non-allocated diversion: individual users 337,024 322,963 101,354 227,780 228,723
Allocated diversion: individual users 55,724 56,943 72,840 73,485 65,992
Allocated diversion: urban system 7,725 8,382 8,039 8,368 7,441
Allocated diversion: irrigation scheme 104,362 152,193 135,802 195,373 173,064
 
Groundwater outflows 107,141 105,888 109,157 103,596 19,637
Inter-region outflow
Discharge: landscape
Extraction: statutory rights
Non-allocated extraction: individual users 96,873 94,343 96,310 93,472 9,217
Allocated extraction: individual users 626 382 396 361 356
Allocated extraction: urban system 523 497 505 320 543
Allocated extraction: irrigation scheme 9,119 10,666 11,946 9,443 9,521
 
Total water outflows 1,621,460 4,017,536 2,382,669 2,621,182 10,028,855
 
Unaccounted-for difference 164,952 960,709 (683,798) *(862,385) *(2,378,680)
 
 
Change in water storage          
Change in surface water storage 46,860 (120,462) (115,175) *(394,777) *189,267
Change in groundwater storage 0 0 0 0 0
Total change in water storage 46,860 (120,462) (115,175) (394,777) 189,267
 
Closing water storage 424,890 378,030 498,492 *613,667 *1,008,444
 
 
Change in water liability
Surface water liability 0 0 0 0 0
Allocation remaining: individual users 0 0 0 0 0
Allocation remaining: urban system 0 0 0 0 0
Allocation remaining: irrigation scheme 0 0 0 0 0
 
Groundwater liability 0 0 0 0 0
Allocation remaining: individual users 0 0 0 0 0
Allocation remaining: urban system 0 0 0 0 0
Allocation remaining: irrigation scheme 0 0 0 0 0
Total change in water liability 0 0 0 0 0
           
Net change in water assets 46,860 (120,462) (115,175) *(394,777) *189,267
 

 

* 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