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National Water Account 2019

Daly: Statement of Changes in Water Assets and Water Liabilities

for the year ended 30 June 2019

  • Water availability decreased during 2018–19 for the second successive year.
  • The change in water available is represented by the change in net water assets.

 

The Statement of Changes in Water Assets and Water Liabilities is provided in the table below. The statement presents the changes in water assets and water liabilities that occurred during the year, including accrual transactions (e.g. allocations and forfeitures) and actual water flows, both natural and engineered.

 

 

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 2019 ML2018 ML2017 ML2016 ML2015 ML2014 ML
Water asset increases
Surface water increases 6,185,22411,705,00313,098,9579,429,2197,540,1918,980,233
Precipitation 45,505110,995174,6389989103
Runoff 5,376,18010,449,36312,010,0008,668,0006,530,0008,013,000
Flood return 23,419302,525127,199
Discharge: wastewater 120120120120102130
Discharge: groundwater* 740,000842,000787,000761,0001,010,000967,000
 
Groundwater increases 135,000406,0001,326,000418,000428,000350,000
Inter-region inflow 10,00010,00010,00010,00010,00010,000
Recharge: landscape 120,000370,0001,273,000370,000382,000315,000
Recharge: surface water* 5,00026,00043,00038,00036,00025,000
 
Total water asset increases 6,320,22412,111,00314,424,9579,847,2197,968,1919,330,233
Water liability decreases
Surface water liability decreases 6,8625,5866,0275,5865,2744,959
Adjustment and forfeiture: individual users 4,8524,8955,054**4,897**4,562**3,431
Adjustment and forfeiture: urban system 2,010691973689**712**1,528
 
Groundwater liability decreases 88,41789,15382,04467,59884,12361,479
Adjustment and forfeiture: individual users 84,344**85,35680,445**64,487**80,940**58,047
Adjustment and forfeiture: urban system 4,073**3,7971,599**3,111**3,1833,432
 
Total water liability decreases 95,27994,73988,07173,18489,39766,438
Water asset decreases
Surface water decreases 2,004,65211,956,54211,750,6279,674,1824,113,9099,439,488
Evaporation 93,448114,719162,59236,18740,19536,119
Outflow 1,900,83511,362,40510,886,0019,594,6264,032,3459,373,000
Overbank flow 0448,049635,665
Diversion: statutory rights 5,3695,3695,3695,3695,3695,369
Recharge: groundwater* 5,00026,00043,00038,00036,00025,000
 
Groundwater decreases 744,460846,460791,460765,4601,014,460971,460
Inter-region outflow 000000
Discharge: landscape –
Extraction: statutory rights 4,2804,2804,2804,2804,2804,280
Non-allocated extraction: individual users 180180180180180180
Discharge: surface water* 740,000842,000787,000761,0001,010,000967,000
 
Total water asset decreases 2,749,11212,803,00212,524,08710,439,6425,128,36910,410,948
Water liability increases
Surface water liability increases 9,7749,2859,2729,2858,7787,093
Allocation: individual users 5,6865,8685,855**5,868**5,361**3,676
Allocation: urban system 4,0883,4173,4173,4173,4173,417
 
Groundwater liability increases 123,082123,589113,84894,162105,26378,684
Allocation: individual users 118,726**119,513111,489**90,086**101,187**74,608
Allocation: urban system 4,356**4,0762,359**4,0764,0764,076
 
Total water liability increases 132,856132,874123,120103,447114,04185,777
 
Unaccounted-for difference(4,135,948)268,499(1,331,821)286,686**(3,407,272)**472,955
 
 
Change in net water assets      
Change in net surface water assets (3,413)(1,635)00(94)(99)
Change in net groundwater assets (599,000)(460,000)516,000(336,000)**(592,000)**(627,000)
Total change in net water assets  (602,413)(461,635)516,000(336,000)(592,094)(627,099)
 

* between-store flows

** different to published volume in historical accounts (see Governance section for more information)