Melbourne
Statement of Changes in Water Assets and Water Liabilities

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2012 ML 2011 ML
Water asset increases
Surface water increases 3,205,419 4,260,353
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 - -
9.15 Increase of inter–region surface water claim on water 259,701 262,417
9.17 Increase of surface water claim on desalinated water 0 0
Total Surface water increases 3,205,419 4,260,353
Groundwater increases 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 increases 552,546 878,444
Urban water system increases 356,699 362,808
11.4 Wastewater collected 356,462 362,668
11.21 Other urban water system increases 237 140
Total Urban water system increases 356,699 362,808
Total water asset increases 4,114,664 5,501,605
Water liability decreases
Surface water liability decreases 10,636 12,903
13.1 Adjustment and forfeiture of surface water allocation 10,636 12,903
13.4 Adjustment and forfeiture of inter–region commitment on surface water 0 0
Total Surface water liability decreases 10,636 12,903
Groundwater liability decreases 28,353 29,186
14.1 Adjustment and forfeiture of groundwater allocation 28,353 29,186
Total Groundwater liability decreases 28,353 29,186
Total water liability decreases 38,989 42,089
Water asset decreases
Surface water decreases 1,998,834 2,565,181
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
17.17 Decrease of inter–region surface water claim on water 20,791 10,084
17.19 Decrease of surface water claim on desalinated water 0 0
Total Surface water decreases 1,998,834 2,565,181
Groundwater decreases 163,805 145,861
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 - -
Total Groundwater decreases 163,805 145,861
Urban water system decreases 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 decreases 11,301 10,127
Total Urban water system decreases 689,443 678,083
Total water asset decreases 2,852,082 3,389,125
Water liability increases
Surface water liability increases 23,801 22,689
21.1 Surface water allocation announcements 20,761 19,521
21.4 Increase of inter–region commitment on surface water 3,040 3,168
Total Surface water liability increases 23,801 22,689
Groundwater liability increases 41,526 39,370
22.1 Groundwater allocation announcements 41,526 39,370
Total Groundwater liability increases 41,526 39,370
Total water liability increases 65,327 62,059
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
Change in net water assets 252,584 502,540