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National Water Account 2017

Adelaide: Statement of Changes in Water Assets and Water Liabilities

Water availability in the Adelaide region decreased by 4,749 ML during the 2016–17 year. The change in water available in the region at the end of the year 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.


 2017 ML2016 ML
Water asset increases
Surface water increases955,154322,740
Claims: inter-region130,000145,000
Groundwater increases111,164105,364
Inter-region inflow6020
Inter-region coastal inflow1,0851,300
Recharge: landscape109,055100,839
Leakage: farm dams--
Managed aquifer recharge: individual users9643,205
Urban water system increases111,251103,323
Wastewater collected107,13995,637
Delivery: desalinated water4,1127,686
Irrigation scheme increases6,3089,635
Claims: inter-region5,7409,037
Other increases568598
Total water asset increases1,183,877541,062
Water liability decreases
Surface water liability decreases7,6914,926
Adjustment and forfeiture: individual users7,6914,926
Groundwater liability decreases45,64445,844
Adjustment and forfeiture: individual users45,64445,844
Total water liability decreases53,33550,770
Water asset decreases
Surface water decreases573,51290,571
Recharge: landscape
Claims: inter region95,0064,856
Groundwater decreases1,8992,418
Inter-region outflow199378
Inter-region coastal outflow1,266932
Discharge: landscape
Extraction: statutory rights4341,108
Urban water system decreases220,816213,904
Supply system delivery: urban users123,830134,533
Discharge: sea76,76956,381
Supply system transfer: inter-region3,7934,771
Other wastewater discharge582
Other supply system decreases1,8252,043
Recycled water delivery: urban users5,6235,972
Other wastewater decreases8,39410,204
Irrigation scheme decreases21,93629,073
Claims: inter-region57258
Total water asset decreases818,163335,966
Water liability increases
Surface water liability increases12,6598,659
Allocation: individual users12,6598,659
Groundwater liability increases98,905103,651
Allocation: individual users98,905103,651
Total water liability increases111,564112,310
Unaccounted-for difference(312,234)(136,555)
Change in net water assets(4,749)7,001