Melbourne
Statement of Water Flows

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2012 ML 2011 ML
Water inflows
Surface water inflows 2,947,910 4,018,312
9.1 Precipitation on surface water 48,406 53,802
9.4 Runoff to surface water 2,897,235 3,944,083
9.5 Point return from irrigation scheme 77 51
9.10 Direct discharge by user - -
9.11 Delivery of water under inter–region agreement to surface water 2,192 20,376
9.13 Delivery of claimed desalinated water to surface water 0 0
Total Surface water inflows 2,947,910 4,018,312
Groundwater inflows 552,546 878,444
10.1 Groundwater inflow from outside region 0 0
10.2 Groundwater inflow from outside region at coast 280 1,113
10.3 Recharge from landscape 552,266 877,331
Total Groundwater inflows 552,546 878,444
Urban water system inflows 356,699 362,808
11.4 Wastewater collected 356,462 362,668
11.21 Other urban water system inflows 237 140
Total Urban water system inflows 356,699 362,808
Total water inflows 3,857,155 5,259,564
Water outflows
Surface water outflows 1,991,208 2,564,883
17.1 Evaporation from surface water 42,190 36,087
17.2 River outflow from the region 1,918,282 2,502,127
17.4 Leakage to landscape - -
17.6 Surface water diversions – other statutory rights - -
17.7 Entitled diversion of non–allocated surface water to users 17,571 16,883
17.11 Entitled diversion of allocated surface water to users 10,125 6,618
17.14 Surface water transfer under inter–region commitment 3,040 3,168
Total Surface water outflows 1,991,208 2,564,883
Groundwater outflows 176,978 156,045
18.1 Groundwater outflow to outside region 0 0
18.2 Groundwater outflow to outside region at coast 121,259 129,345
18.3 Discharge to landscape 42,546 16,516
18.7 Groundwater extractions – other statutory rights - -
18.8 Entitled extraction of non–allocated groundwater to users - -
18.11 Entitled extraction of allocated groundwater to users 13,173 10,184
Total Groundwater outflows 176,978 156,045
Urban water system outflows 689,443 678,083
19.1 Evaporation from urban water system 18,622 4,141
19.2 Leakage to landscape 3,354 2,892
19.4 Delivery to urban water system users 353,309 352,622
19.6 Discharge from urban water system to irrigation scheme 3,089 3,457
19.7 Wastewater discharge outside of region 299,614 304,745
19.8 Other wastewater discharge 8 46
19.11 Transfer of water outside of region 146 53
19.20 Other urban water system outflows 11,301 10,127
Total Urban water system outflows 689,443 678,083
Total water outflows 2,857,629 3,399,011
Unaccounted–for difference
Unaccounted–for difference 983,660 1,589,970
25.1 Unaccounted–for difference 983,660 1,589,970
Total Unaccounted–for difference 983,660 1,589,970
Total unaccounted-for difference 983,660 1,589,970
Opening water storage 734,404 463,821
Add/(Less): Change in water storage 15,866 270,583
Closing water storage 750,270 734,404