Murray–Darling Basin
Statement of Changes in Water Assets and Water Liabilities

2012 ML 2011 ML
Water asset increases
Surface water increases 68,024,798 88,497,366
9.1 Precipitation on surface water 1,648,950 2,125,725
9.2 River inflow to region 0 0
9.4 Runoff to surface water 63,583,187 82,982,453
9.5 Point return from irrigation scheme 198,314 216,917
9.6 Overbank flood return to river channel
9.9 Discharge from urban water system 34,325 34,897
9.10 Direct discharge by user
9.15 Increase of inter-region surface water claim on water 2,560,022 3,137,374
Total Surface water increases 68,024,798 88,497,366
Groundwater increases 5,822,041 10,452,793
10.1 Groundwater inflow from outside region 2,797 2,941
10.2 Groundwater inflow from outside region at coast 53 76
10.3 Recharge from landscape 3,133,191 10,273,129
10.5 Leakage from off-channel water storage
10.6 Leakage from urban water system
10.7 Leakage from irrigation scheme
10.8 Managed aquifer recharge – private user 2,340 4,158
10.13 Other groundwater increases 2,683,660 172,489
Total Groundwater increases 5,822,041 10,452,793
Total water asset increases 73,846,839 98,950,159
Water liability decreases
Surface water liability decreases 2,461,770 1,613,498
13.1 Adjustment and forfeiture of surface water allocation 2,176,027 1,324,400
13.2 Adjustment and forfeiture of surface water allocation – urban water system 285,743 289,098
Total Surface water liability decreases 2,461,770 1,613,498
Groundwater liability decreases 1,095,278 892,284
14.1 Adjustment and forfeiture of groundwater allocation 1,078,199 879,864
14.2 Adjustment and forfeiture of groundwater allocation – urban water system 17,079 12,420
Total Groundwater liability decreases 1,095,278 892,284
Total water liability decreases 3,557,048 2,505,782
Water asset decreases
Surface water decreases 58,397,808 70,991,053
17.1 Evaporation from surface water 3,258,419 3,013,721
17.2 River outflow from the region 9,565,600 12,839,048
17.4 Leakage to landscape
17.5 Overbank flood spilling 299,151 652,699
17.6 Surface water diversions – other statutory rights 68,589 47,651
17.7 Entitled diversion of non-allocated surface water to users 1,614,049 2,016,782
17.8 Entitled diversion of non-allocated surface water to urban water system 9,861 20,588
17.10 River and floodplain leakage, evaporation and errors 42,957,139 51,634,747
17.17 Decrease of inter-region surface water claim on water 625,000 765,817
Total Surface water decreases 58,397,808 70,991,053
Groundwater decreases 837,770 303,330
18.1 Groundwater outflow to outside region 19 14
18.2 Groundwater outflow to outside region at coast 1,551 1,625
18.3 Discharge to landscape 617,753 237,567
18.7 Groundwater extractions – other statutory rights 194,176 49,295
18.18 Other groundwater decreases 24,271 14,829
Total Groundwater decreases 837,770 303,330
Total water asset decreases 59,235,578 71,294,383
Water liability increases
Surface water liability increases 9,593,681 10,299,970
21.1 Surface water allocation announcements 9,011,661 9,743,426
21.2 Surface water allocation announcements – urban system 582,020 556,544
Total Surface water liability increases 9,593,681 10,299,970
Groundwater liability increases 1,711,521 1,237,055
22.1 Groundwater allocation announcements 1,685,528 1,214,249
22.2 Groundwater allocation announcements – urban system 25,993 22,806
Total Groundwater liability increases 1,711,521 1,237,055
Total water liability increases 11,305,202 11,537,025
Unaccounted-for difference
Unaccounted-for difference 2,016,426 10,022,282
25.1 Unaccounted-for difference 2,016,426 10,022,282
Total Unaccounted-for difference 2,016,426 10,022,282
Total unaccounted-for difference 2,016,426 10,022,282
Change in net water assets 4,846,681 8,602,251