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National Water Account 2015

Melbourne: Statement of Water Flows

City of Melbourne,Yarra River Victoria (iStock © Blues and Views)

The Statement of Water Flows presents the actual water inflows and outflows associated with the water stores of the region that occurred during the reporting year.

Figure W3 shows the actual water flows, including flows corresponding to the accrual transactions shown in Figure W2 in the Statement of Changes of Water Assets and Water Liabilities.


Figure W3 Water flows for the region during the 2014–15 year
Figure W3 Water flows for the region during the 2014–15 year


for the year ended 30 June 2015

 2015 ML2014 ML
Water inflows
Surface water inflows1,286,8461,942,095
Point return: irrigation 12161
Discharge: user
Delivery: inter-region agreement150,198134,084
Delivery: desalinated water00
Total surface water inflows1,286,8461,942,095
Groundwater inflows321,614368,823
Inter-region inflow00
Inter-region coastal inflow33,66530,504
Recharge: landscape287,949338,319
Total groundwater inflows321,614368,823
Urban water system inflows336,882350,537
Wastewater collected336,494350,537
Delivery: inter-region388
Other increases00
Total urban water system inflows336,882350,537
Total water inflows1,945,3422,661,455
Water outflows
Surface water outflows933,2601,345,225
Diversion: statutory rights
Non-allocated diversion: individual users12,55013,682
Allocated diversion: individual users8,0589,844
Transfer: inter-region3,1063,526
Total surface water outflows933,2601,345,225
Groundwater outflows169,675162,024
Inter-region outflow 00
Inter-region coastal outflow 139,716137,638
Discharge: landscape10,91810,074
Extractions: statutory rights
Non-allocated extraction: individual users
Allocated extractions: individual users19,04114,312
Total groundwater outflows169,675162,024
Urban water system outflows697,115701,419
Leakage: landscape5,0134,311
Delivery: urban users368,451363,157
Discharge: irrigation 7,5675,769
Discharge: sea261,293275,538
Discharge: other1310
Supply system transfer: inter-region247351
Other supply system decreases15,74514,397
Recycled water delivery: urban users22,63422,072
Other wastewater decreases7155
Supply system delivery: irrigation67112
Total urban water system outflows697,115701,419
Total water outflows1,800,0502,208,668
Unaccounted-for difference
Unaccounted-for difference206,214453,231
Unaccounted-for difference206,214453,231
Total unaccounted-for difference206,214453,231
Total unaccounted-for difference206,214453,231
Opening water storage650,286650,730
Change in water storage(60,922)(444)
Closing water storage589,364650,286