Sydney
Statement of Water Flows

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for the year ended 30 June 2013

2013 ML 2012 ML
Water inflows
Surface water inflows 5,114,163 8,425,661
9.1 Precipitation on surface water 134,391 164,426
9.4 Runoff to surface water 4,968,033 8,252,376
9.10 Direct discharge by user 4,860 4,693
9.11 Delivery of water under inter-region agreement to surface water 6,879 4,166
Total Surface water inflows 5,114,163 8,425,661
Groundwater inflows - -
10.1 Groundwater inflow from outside region - -
10.2 Groundwater inflow from outside region at coast - -
10.3 Recharge from landscape - -
Total Groundwater inflows - -
Urban water system inflows 509,494 664,526
11.4 Wastewater collected 507,638 601,502
11.5 Delivery of water from outside region to urban water system 1,260 0
11.6 Delivery of desalinated water to urban water system 0 61,290
11.7 Stormwater ingress 0 1,717
11.9 Delivery of water to urban water system under inter-region agreement 596 17
Total Urban water system inflows 509,494 664,526
Total water inflows 5,623,657 9,090,187
Water outflows
Surface water outflows 4,443,474 7,317,959
17.1 Evaporation from surface water 141,766 120,977
17.2 River outflow from the region 4,232,133 7,132,288
17.6 Surface water diversions – other statutory rights 32,529 32,529
17.11 Entitled diversion of allocated surface water to users 37,046 32,165
17.16 Other delivery of allocated surface water 0 0
Total Surface water outflows 4,443,474 7,317,959
Urban water system outflows 977,961 1,005,064
19.1 Evaporation from urban water system 350 -
19.3 Urban water system leakage to groundwater 44,899 43,270
19.4 Delivery to urban water system users 495,132 489,557
19.7 Wastewater discharge outside of region 402,455 472,073
19.11 Transfer of water outside of region 4,468 0
19.20 Other urban water system outflows 30,657 164
Total Urban water system outflows 977,961 1,005,064
Total water outflows 5,421,435 8,323,023
Unaccounted-for difference
Unaccounted-for difference 144,360 227,952
25.1 Unaccounted-for difference 144,360 227,952
Total Unaccounted-for difference 144,360 227,952
Total unaccounted-for difference 144,360 227,952
Opening water storage 2,780,522 2,241,310
Add/(Less): Change in water storage 57,862 539,212
Closing water storage 2,838,384 2,780,522