South East Queensland: Statement of Water Flows
for the year ended 30 June 2017
The volume of water in the region's storages at 30 June 2017 was 2,044,927 ML, a decrease of 179,525 ML from the start of the 2016–17 year. This decrease represents the change in water volume in the region's surface water storages, and is the second annual decrease in a row.
The Statement of Water Flows is provided below and presents the actual water flows associated with the region's water stores during the year, including flows corresponding to the accrual transactions shown in the Statement of Changes in Water Assets and Water Liabilities.
| 2017 ML | 2016 ML | |
|---|---|---|
| Water inflows | ||
| Surface water inflows | 3,691,107 | 1,878,545 |
| Precipitation | 210,893 | 158,532 |
| Runoff | 3,348,925 | 1,710,726 |
| Discharge: user | 2,455 | 9,287 |
| Overbank flood return | 128,834 | - |
| Groundwater inflows | – | – |
| Urban water system inflows | 252,687 | 246,609 |
| Wastewater collected | 251,070 | 245,085 |
| Delivery: desalinated water | 1,562 | 1,524 |
| Delivery: inter-region | 55 | - |
| Total water inflows | 3,943,794 | 2,125,154 |
| Water outflows | ||
| Surface water outflows | 3,480,691 | 1,935,878 |
| Evaporation | 335,758 | 331,582 |
| Outflow | 2,720,953 | 1,306,764 |
| Leakage: landscape | 227,536 | 265,018 |
| Diversions: statutory rights | 3,794 | 3,810 |
| Non-allocated diversion: individual users | 1,323 | 1,316 |
| Allocated diversion: individual users | 22,600 | 27,388 |
| Overbank flood spilling | 168,727 | – |
| Other decreases | 0 | 0 |
| Groundwater outflows | 9,647 | 9,469 |
| Non-allocated extraction: individual users | 4,109 | 4,951 |
| Allocated extraction: individual users | 5,538 | 4,518 |
| Urban water system outflows | 560,926 | 507,936 |
| Supply system delivery: urban users | 313,447 | 264,097 |
| Discharge: sea | 213,598 | 208,648 |
| Discharge: landscape | 1,189 | 2,581 |
| Other supply system decreases | 11,242 | 9,141 |
| Recycled water delivery: urban users | 19,478 | 21,193 |
| Recycled water delivery: irrigation | 104 | – |
| Supply system transfer: inter-region | 82 | – |
| Wastewater transfer: inter-region | 549 | – |
| Other wastewater and recycled water system decreases | 1,237 | 2,276 |
| Total water outflows | 4,051,264 | 2,453,283 |
| Unaccounted-for difference | (72,055) | (22,879) |
| Opening water storage | 2,224,452 | 2,575,460 |
| Change in water storage | (179,525) | (351,008) |
| Closing water storage | 2,044,927 | 2,224,452 |