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Burdekin: Statement of Changes in Water Assets and Water Liabilities

For the water account period 1 July 2023 to 30 June 2024

  • The volume of water in Burdekin's storages increased by 106 GL during 2023–24.
  • This increase represents the change in water volume in the region's surface water storages.

Schematic representation of the Burdekin region. Total water inflows during 2023–24 was 6,967 GL. Total water outflows was 8,619 GL. Water storage on 30 June 2024 was 106 GL less 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.

 

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 2024 (ML)2023 (ML)2022 (ML)2021 (ML)2020 (ML)2019 (ML)
Water inflows
Surface water inflows6,144,74111,933,3736,260,53910,612,4752,742,52222,045,410
Precipitation on storages147,965241,867149,487136,589103,254143,044
Precipitation on rivers155,164262,505148,771161,69271,175264,358
Flood return154,152319,680121,994230,91429,492373,129
Runoff5,687,46011,109,3215,840,28710,083,2802,538,60121,264,879
 
Groundwater inflows822,092904,254737,028788,841654,951875,283
Recharge from surface water*759,190867,589694,422738,795579,687812,759
Managed aquifer recharge of individuals62,90236,66542,60650,04675,26462,524
Other groundwater increases ------
 
Total water inflows6,966,83312,837,6276,997,56711,401,3163,397,47322,920,693
Water outflows
Surface water outflows8,499,97714,080,9607,396,31811,459,5724,753,31722,664,963
Evaporation from storages459,404510,842473,455452,899514,347395,256
Evaporation from rivers249,362297,953210,806232,249164,703231,722
Outflow to sea6,043,73611,272,5525,051,7908,938,7352,609,20819,834,077
Overbank flow285,573574,593245,201397,90281,345706,001
Recharge to groundwater*759,190867,589694,422738,795579,687812,759
Allocated diversion to individual users72,56240,95046,37497,381103,33867,018
Allocated diversion to industrial users26,30123,70627,383---
Allocated diversion to inter-region users12,70012,70012,70012,53920,10815,705
Allocated diversion to irrigation users427,830317,478454,166429,153520,330440,911
Allocated diversion to other users305306342---
Allocatied diversion to urban users1,0929761,4131,8802,2121,274
Non-allocated diversion to individual users---158,039158,039160,241
Non-allocated diversion to irrigation users293029---
Non-allocated diversion to other users133,485132,859149,811---
Non-allocated diversion to stock and domestic users28,40828,42628,426---
 
Groundwater outflows118,95994,000106,635148,028147,521136,748
Non-allocated extraction to individual users---148,028147,521136,748
Non-allocated extraction to commercial users104104104---
Non-allocated extraction to industrial users1,0291,232679---
Non-allocated extraction to irrigation users116,29191,022103,720---
Non-allocated extraction to mining users140140556---
Non-allocated extraction to other users447338364---
Non-allocated extraction to stock and domestic users648648648---
Non-allocated extraction to urban users300516564---
Other groundwater decreases------
 
Total water outflows8,618,93514,174,9607,502,95311,607,6004,900,83822,801,711
 
Unaccounted-for difference1,757,7551,192,419547,208240,2551,409,24496,935
 
 
Change in water storage      
Change in surface water storage105,652(144,914)41,82275,874(129,254)103,569
Change in groundwater storage000(41,903)35,133112,348
Total change in water storage105,652(144,914)41,82233,971(94,121)215,917
 
Closing water storage2,120,8452,015,1932,160,1072,118,2852,084,3142,178,435
 
 
Change in water liability
Surface water liability0269,898(159,976)51,825(11,662)45,729
Surface water carryover0269,898(159,976)51,825(11,662)45,729
 
Groundwater liability000000
Total change in water liability0269,898(159,976)51,825(11,662)45,729
       
Net change in water assets105,652(414,812)201,798(17,854)(82,459)170,188

* between-store flows

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