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Daly: 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 the Daly region's storages increased by 5 GL during 2023–24.
  • This increase is primarily due to changes to the water volume in the region's surface water storages.

Schematic representation of the Daly region. Total water inflows during 2023-24 was 17,743 GL. Total water outflows were 18,856 GL. Change in water storage on 30 June 2025 was 5 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.

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 2024 (ML)2023 (ML)2022 (ML)2021 (ML)2020 (ML)2019 (ML)
Water inflows
Surface water inflows17,250,32911,806,8405,679,32611,205,8942,123,4932,289,982
Precipitation on rivers186,273127,00468,728133,97832,24837,248
Precipitation on storages143128661096376
Flood return541,831178,04792,332221,9853,56059,586
Runoff15,777,08210,756,6614,773,88010,299,6921,479,2271,452,852
Discharge from groundwater*745,000745,000744,320550,010608,120740,000
Discharge from wastewater---120120120
 
Groundwater inflows492,919475,776439,9431,033,332245,805300,080
Inter-region inflow10,00010,00010,00010,00010,00010,000
Recharge from landscape270,000270,000272,710787,94093,580120,000
Recharge from surface water*212,919195,776157,233235,392142,225170,080
 
Total water inflows17,742,24812,282,6166,119,26912,239,2262,369,2982,590,062
Water outflows
Surface water outflows18,082,7599,978,6914,288,47410,555,1462,499,5432,147,174
Evaporation from rivers119,84295,548,77,375103,69455,79365,569
Evaporation from storages190185191187194197
Overbank flow1,120,184439,649131,265550,64718,046-
Recharge to groundwater*212,919195,776157,233235,392142,225170,080
Outflow to sea16,620,8349,238,5393,913,0299,656,2042,274,0151,902,867
Allocated diversion to agriculture users8221,127970600769701
Allocated diversion to cultural users281164216---
Allocated diversion to industry users24401058075133
Allocated diversion to mining users000---
Allocated diversion to urban users2,0682,0682,5412,7932,8772,078
Non-allocated diversion to agriculture users180180180180180180
Non-allocated diversion to industry users000000
Diversion of statutory rights5,4155,4155,3695,3695,3695,369
 
Groundwater outflows773,233797,893794,914591,579661,009778,945
Discharge to surface water*745,000745,000744,320550,010608,120740,000
Allocated extraction to agriculture users22,18146,87344,29336,14247,32033,232
Allocated extraction to cultural users5954021,160456535126
Allocated extraction to industry users469300310293377423
Allocated extraction to mining users26314386---
Allocated extraction to stock and domestic users------
Allocated extraction to urban system445895465398377283
Extraction of statutory rights4,2804,2804,2804,2804,2804,280
 
Total water outflows18,855,99210,776,5845,083,38811,146,7253,160,5522,926,119
 
Unaccounted-for difference1,118,142(1,500,941)(1,040,444)(1,086,699)789,684330,814
 
 
Change in water storage      
Change in surface water storage5,3985,091(4,563)5,802(1,570)(5,243)
Change in groundwater storage------
Total change in water storage5,3985,091(4,563)5,802(1,570)(5,243)
 
Closing water storage19,46414,0668,97513,5387,7369,306
 
 
Change in water liability
Surface water liability000000
Surface water carryover000000
 
Groundwater liability000000
Groundwater carryover000000
Total change in water liability000000
       
Net change in water assets5,3985,091(4,563)5,802(1,570)(5,243)

* between-store flows

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