Burdekin: Statement of Changes in Water Assets and Water Liabilities
for the year ended 30 June 2018
- Total water availability in the region's storages and aquifers increased marginally during 2017–18.
- The change in water available is represented by the change in net water assets.
The Statement of Changes in Water Assets and Water Liabilities is provided in the table below. The statement presents the changes in water assets and water liabilities that occurred during the year, including accrual transactions (e.g. allocations and forfeitures) and actual water flows, both natural and engineered.
Select comparative year
| 2018 ML | 2017 ML | 2016 ML | 2015 ML | 2014 ML | |
|---|---|---|---|---|---|
| Water asset increases | |||||
| Surface water increases | 8,220,593 | 7,988,689 | 3,442,916 | 1,730,603 | 3,598,141 |
| Precipitation | 168,895 | 354,510 | 85,153 | 90,680 | 87,791 |
| Runoff | 7,912,603 | 7,582,453 | 3,357,763 | 1,639,923 | 3,510,350 |
| Flood return | 139,095 | 51,726 | – | – | – |
| Groundwater increases | 142,028 | 99,104 | 112,483 | 81,673 | 127,726 |
| Managed aquifer recharge: individual users | 71,802 | 99,104 | 98,220 | 81,673 | 34,275 |
| Other groundwater increases | 70,226 | 0 | 14,263 | 0 | 93,451 |
| Total water asset increases | 8,362,621 | 8,087,793 | 3,555,399 | 1,812,276 | 3,725,867 |
| Water liability decreases | |||||
| Surface water liability decreases | 507,847 | 504,104 | 524,910 | 348,175 | 159,988 |
| Adjustment and forfeiture: individual users | 366,936 | 382,897 | 309,383 | 403,343 | 54,740 |
| Adjustment and forfeiture: urban system | 97 | 3,668 | 9,710 | 10,361 | 10,681 |
| Adjustment and forfeiture: irrigation | 135,169 | 97,952 | 187,488 | (65,529) | 94,567 |
| Adjustment and forfeiture: inter-region | 5,645 | 19,587 | 18,329 | 0 | 0 |
| Groundwater liability decreases | 12,023 | 26,108 | 27,281 | 38,591 | 5,000 |
| Adjustment and forfeiture: individual users | 0 | 9 | 27,281 | 38,591 | 5,000 |
| Adjustment and forfeiture: urban system | 193 | 242 | 0 | 0 | 0 |
| Adjustment and forfeiture: irrigation | 11,830 | 25,857 | 0 | 0 | 0 |
| Total water liability decreases | 519,870 | 530,212 | 552,191 | 386,766 | 164,988 |
| Water asset decreases | |||||
| Surface water decreases | 6,939,564 | 5,401,202 | 2,163,402 | 1,627,424 | 2,264,618 |
| Evaporation | 655,354 | 481,524 | 351,723 | 504,892 | 310,309 |
| Outflow | 5,877,268 | 4,629,655 | 1,652,935 | 1,007,196 | 1,862,192 |
| Overbank flow | 241,322 | 117,318 | – | – | – |
| Non-allocated diversion: individual users | 165,620 | 172,705 | 158,744 | 115,336 | 92,117 |
| Groundwater decreases | 112,866 | 62,614 | 51,999 | 37,010 | 35,072 |
| Non-allocated extraction: individual users | 112,866 | 53,378 | 51,999 | 37,010 | 35,072 |
| Other | 0 | 9,236 | 0 | 0 | 0 |
| Total water asset decreases | 7,052,430 | 5,463,816 | 2,215,401 | 1,664,434 | 2,299,690 |
| Water liability increases | |||||
| Surface water liability increases | 1,153,815 | 1,151,438 | 1,165,202 | 1,118,520 | 1,118,522 |
| Allocation: individual users | 440,508 | 489,996 | 440,725 | 464,916 | 468730 |
| Allocation: urban system | 13,909 | 12,272 | 11,973 | 12,318 | 12,335 |
| Allocation: irrigation | 667,973 | 617,745 | 681,079 | 641,286 | 637,457 |
| Allocation: inter-region | 31,425 | 31,425 | 31,425 | – | – |
| Groundwater liability increases | 55,838 | 45,100 | 55,715 | 56,441 | 10,000 |
| Allocation: individual users | 871 | 1,091 | 55,715 | 56,441 | 10,000 |
| Allocation: urban system | 480 | 480 | 0 | 0 | 0 |
| Allocation: irrigation | 54,487 | 43,529 | 0 | 0 | 0 |
| Total water liability increases | 1,209,653 | 1,196,538 | 1,220,917 | 1,174,961 | 1,128,522 |
| Unaccounted-for difference | (620,406) | (1,951,150) | (222,311) | 165,172 | (462,044) |
| Change in net water assets | |||||
| Change in net surface water assets | (70,224) | 15,737 | 434,698 | (475,181) | (92,852) |
| Change in net groundwater assets | 70,226 | (9,236) | 14,263 | 0 | 93,451 |
| Total change in net water assets | 2 | 6,501 | 448,961 | (475,181) | 599 |