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

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for the year ended 30 June 2013

2013 ML 2012 ML
Water asset increases
Surface water increases 28,748,112 62,039,607
9.1 Precipitation on surface water 1,160,129 1,648,950
9.2 River inflow to region 451,000 0
9.4 Runoff to surface water 25,143,874 57,597,996
9.5 Point return from irrigation scheme 212,773 198,314
9.6 Overbank flood return to river channel - -
9.9 Discharge from urban water system 31,636 34,325
9.10 Direct discharge by user - -
9.15 Increase of inter-region surface water claim on water 1,748,700 2,560,022
Total Surface water increases 28,748,112 62,039,607
Groundwater increases 1,812,534 5,814,777
10.1 Groundwater inflow from outside region 2,646 2,797
10.2 Groundwater inflow from outside region at coast 50 53
10.3 Recharge from landscape 1,539,098 3,125,927
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 – other schemes 631 2,340
10.13 Other groundwater increases 270,109 2,683,660
Total Groundwater increases 1,812,534 5,814,777
Total water asset increases 30,560,646 67,854,384
Water liability decreases
Surface water liability decreases 2,180,977 2,502,093
13.1 Adjustment and forfeiture of surface water allocation 2,007,538 2,215,350
13.2 Adjustment and forfeiture of surface water allocation – urban water system 173,439 286,743
Total Surface water liability decreases 2,180,977 2,502,093
Groundwater liability decreases 1,237,034 1,095,278
14.1 Adjustment and forfeiture of groundwater allocation 1,205,242 1,078,199
14.2 Adjustment and forfeiture of groundwater allocation – urban water system 31,792 17,079
Total Groundwater liability decreases 1,237,034 1,095,278
Total water liability decreases 3,418,011 3,597,371
Water asset decreases
Surface water decreases 25,516,970 52,749,514
17.1 Evaporation from surface water 3,036,866 2,986,402
17.2 River outflow from the region 5,179,600 9,565,600
17.4 Surface water leakage to landscape - -
17.5 Overbank flood spilling 437,901 299,151
17.6 Surface water diversions – other statutory rights 68,210 68,209
17.7 Entitled diversion of non-allocated surface water to users 2,066,946 1,614,049
17.8 Entitled diversion of non-allocated surface water to urban water system 13,073 9,861
17.10 River and floodplain leakage, evaporation and errors 14,499,374 37,581,242
17.17 Decrease of inter-region surface water claim on water 215,000 625,000
Total Surface water decreases 25,516,970 52,749,514
Groundwater decreases 3,056,038 2,738,378
18.1 Groundwater outflow to outside region 21 19
18.2 Groundwater outflow to outside region at coast 1,446 1,551
18.3 Discharge to landscape 2,733,597 2,518,361
18.7 Groundwater extractions – other statutory rights 230,416 194,176
18.18 Other groundwater decreases 90,558 24,271
Total Groundwater decreases 3,056,038 2,738,378
Total water asset decreases 28,573,008 55,487,892
Water liability increases
Surface water liability increases 8,297,614 9,594,681
21.1 Surface water allocation announcements 7,758,577 9,011,661
21.2 Surface water allocation announcements – urban water system 539,037 583,020
Total Surface water liability increases 8,297,614 9,594,681
Groundwater liability increases 2,215,809 1,711,521
22.1 Groundwater allocation announcements 2,146,993 1,685,528
22.2 Groundwater allocation announcements – urban water system 68,816 25,993
Total Groundwater liability increases 2,215,809 1,711,521
Total water liability increases 10,513,423 11,306,202
Unaccounted-for difference
Unaccounted-for difference (2,280,313) 108,554
25.1 Unaccounted-for difference (2,280,313) 108,554
Total Unaccounted-for difference (2,280,313) 108,554
Total unaccounted-for difference (2,280,313) 108,554
Change in net water assets (2,827,461) 4,549,107