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National Water Account 2019

South East Queensland: Statement of Changes in Water Assets and Water Liabilities

for the year ended 30 June 2019

  • Water availability decreased during 2018–19. This is the third decrease in the last four years.
  • 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 1,100,2602,900,6263,705,9731,889,9765,950,1831,865,479
Precipitation 152,890225,027210,893158,532222,760143,512
Runoff 914,9382,536,4233,348,9251,710,7265,684,5171,699,479
Overbank flood return 18,274121,121128,834–––
Discharge: user 2,1913,0902,4559,2874,9634,934
Discharge: wastewater* 11,96714,96514,86611,43137,94317,554
 
Groundwater increases 26,41426,65425,41625,51322,25620,021
Leakage: urban system* 26,41426,65425,41625,51322,25620,021
 
Urban water system increases 752,153769,598748,051753,374758,758676,223
Non-allocated diversion: surface water* 3,727**4,3943,5673,5313,3553,787
Non-allocated diversion: groundwater* 6,6887,3967,8688,3017,449182
Wastewater collected 252,109270,874251,070245,085240,562207,971
Delivery: inter-region 1414550020,007
Delivery: desalinated water 6,4382,8031,5621,5241,1611,435
Claims: surface water* 483,177484,117483,929494,933506,231442,841
 
Total water asset increases 1,878,8273,696,8784,479,4402,668,8636,731,1972,561,723
Water liability decreases
Surface water liability decreases 169,463206,856193,937243,799235,541286,466
Adjustment and forfeiture: individual users 32,44643,68838,92236,27614,34079,461
Adjustment and forfeiture: urban system* 137,017163,168155,015207,523221,201207,005
 
Groundwater liability decreases 2105,1435,5776,5978,1525,995
Adjustment and forfeiture: individual users 2105,143**5,577**6,597**8,1525,995
 
Total water liability decreases 169,673211,999199,514250,396243,693292,461
Water asset decreases
Surface water decreases 1,213,2102,193,8123,461,6581,912,0214,989,4551,493,712
Evaporation 329,224334,217335,758331,582333,409286,303
Outflow 608,3661,471,0582,720,9531,306,7644,375,641904,491
Leakage: landscape 212,238215,266227,536265,018264,126279,567
Overbank flood spilling 54,533163,751168,727–––
Diversions: statutory rights 3,8103,8083,7943,8103,8123,670
Non-allocated diversion: individual users 1,3121,3181,3231,3161,2949,152
Non-allocated diversion: urban system* 3,727**4,3943,5673,5313,3553,787
Other surface water decreases 00007,8186,742
 
Groundwater decreases 13,12513,81611,97713,25211,2284,176
Non-allocated extraction: individual users 6,4376,4204,1094,9513,7793,994
Non-allocated extraction: urban system* 6,6887,3967,8688,3017,449182
 
Urban water system decreases 733,118772,330756,223752,403770,940679,079
Leakage: groundwater* 26,41426,65425,41625,51322,25620,021
Supply system delivery: urban users 342,461302,491313,447264,097262,394239,298
Recycled water delivery: irrigation users 9388104000
Discharge: sea 185,447236,589213,598208,648208,008162,979
Discharge: landscape 3,2673,3071,1892,5819011,468
Supply system inter-region transfer 00820010
Claims: surface water* 137,017163,168155,015207,523221,201207,005
Other supply system decreases 10,28111,26811,2429,1413,3713,306
Recycled water delivery: urban users 15,58213,08319,47821,19314,86624,141
Discharge: surface water* 11,96714,96514,86611,43137,94317,554
Other wastewater and recycled water system decreases 5897171,2372,2760187
Wastewater inter-region transfer 00549003,110
 
Total water asset decreases 1,959,4532,979,9584,229,8582,677,6765,771,6232,176,967
Water liability increases
Surface water liability increases 545,726545,086545,451558,597577,695516,135
Allocation: individual users 62,54960,96961,52263,66471,46473,294
Allocation: urban system* 483,177484,117483,929494,933506,231442,841
 
Groundwater liability increases 11,11511,11511,11511,11511,1159,335
Allocation: individual users 11,11511,115**11,115**11,115**11,1159,335
 
Total water liability increases 556,841556,201556,566569,712588,810525,470
 
Unaccounted-for difference 1,097(278,305)(72,055)(22,879)(369,276)**(372,303)
 
 
Change in net water assets
Change in net surface water assets (466,697)94,413(179,525)(351,008)243,406(220,556)
Change in net groundwater assets 00001,7750
 
Total change in net water assets (466,697)94,413(179,525)(351,008)245,181(220,556)

 

* between-store flows

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