Melbourne
Statement of Water Flows

for the year ended 30 June 2013

2013 ML 2012 ML
Water inflows
Surface water inflows 1,965,311 3,255,962
9.1 Precipitation on surface water 35,591 48,406
9.4 Runoff to surface water 1,903,420 3,205,287
9.5 Point return from irrigation scheme 63 77
9.10 Direct discharge by user - -
9.11 Delivery of water under inter-region agreement to surface water 26,237 2,192
9.13 Delivery of claimed desalinated water to surface water 0 0
Total Surface water inflows 1,965,311 3,255,962
Groundwater inflows 413,750 620,447
10.1 Groundwater inflow from outside region 0 0
10.2 Groundwater inflow from outside region at coast 31,076 280
10.3 Recharge from landscape 382,674 620,167
Total Groundwater inflows 413,750 620,447
Urban water system inflows 341,623 356,699
11.4 Wastewater collected 341,462 356,462
11.21 Other urban water system inflows 161 237
Total Urban water system inflows 341,623 356,699
Total water inflows 2,720,684 4,233,108
Water outflows
Surface water outflows 1,452,101 1,992,639
17.1 Evaporation from surface water 47,133 43,621
17.2 River outflow from the region 1,377,155 1,918,282
17.4 Surface water leakage to landscape - -
17.6 Surface water diversions – other statutory rights - -
17.7 Entitled diversion of non-allocated surface water to users 13,509 17,571
17.11 Entitled diversion of allocated surface water to users 11,073 10,125
17.14 Surface water transfer under inter-region commitment 3,231 3,040
Total Surface water outflows 1,452,101 1,992,639
Groundwater outflows 169,813 144,509
18.1 Groundwater outflow to outside region 0 0
18.2 Groundwater outflow to outside region at coast 136,022 121,259
18.3 Discharge to landscape 18,379 10,077
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 15,412 13,173
Total Groundwater outflows 169,813 144,509
Urban water system outflows 690,783 689,443
19.1 Evaporation from urban water system 17,031 18,622
19.2 Urban water system leakage to landscape 4,398 3,354
19.4 Delivery to urban water system users 381,256 353,309
19.6 Discharge from urban water system to irrigation scheme 8,076 3,089
19.7 Wastewater discharge outside of region 268,134 299,614
19.8 Other wastewater discharge 0 8
19.11 Transfer of water outside of region 250 146
19.20 Other urban water system decreases 11,638 11,301
Total Urban water system outflows 690,783 689,443
Total water outflows 2,312,697 2,826,591
Unaccounted-for difference
Unaccounted-for difference 507,527 1,390,651
25.1 Unaccounted-for difference 507,527 1,390,651
Total Unaccounted-for difference 507,527 1,390,651
Total unaccounted-for difference 507,527 1,390,651
Opening water storage 750,270 734,404
Add/(Less): Change in water storage (99,540) 15,866
Closing water storage 650,730 750,270