Adelaide: Statement of Water Assets and Water Liabilities
as at 30 June 2022
- Water availability during 2021–22 in the Adelaide region's storages remained the same as last year.
- Water availability is represented by the net water assets, which are the volume of water in storage minus the water liabilities.
The Statement of Water Assets and Water Liabilities is provided in the table below.
The statement presents the volume of water assets, and water liabilities at the start and end of the reporting year.
Select comparative year
| 2022 (ML) | 2021 (ML) | 2020 (ML) | 2019 (ML) | 2018 (ML) | 2017 (ML) | |
|---|---|---|---|---|---|---|
| Water assets | ||||||
| Surface water | 100,350 | 100,347 | 98,782 | 93,220 | 92,537 | 111,997 |
| Accessible storage | 93,409 | 88,441 | 90,405 | 85,124 | 85,963 | 105,084 |
| Dead storage | 6,234 | 6,234 | 6,234 | 6,234 | 6,234 | 6,234 |
| Rivers | 707 | 5,672 | 2,143 | 1,862 | 340 | 679 |
| Groundwater | 86,356 | 86,356 | 86,356 | 86,356 | 86,356 | 86,356 |
| Aquifers | 86,356 | 86,356 | 86,356 | 86,356 | 86,356 | 86,356 |
| Total water assets | 186,706 | 186,703 | 185,138 | 179,576 | 178,893 | 198,353 |
| Water liabilities | ||||||
| Surface water liability | 348 | 332 | 622 | 307 | 430 | 545 |
| Surface water allocation remaining: individual users | 348 | 332 | 622 | 307 | 430 | 545 |
| Groundwater liability | 47,434 | 35,445 | 36,946 | 36,058 | 4,574 | 18,685 |
| Groundwater allocation remaining: individual users | 47,434 | 35,445 | 36,946 | 36,058 | 4,574 | 18,685 |
| Total water liabilities | 47,782 | 35,777 | 37,568 | 36,365 | 5,004 | 19,230 |
| Net water assets | ||||||
| Net surface water assets | 100,002 | 100,015 | 98,160 | 92,913 | 92,107 | 111,452 |
| Opening net surface water assets | 100,015 | 98,160 | 92,913 | 92,107 | 111,452 | 104,372 |
| Net change in surface water assets | (13) | 1,855 | 5,247 | 806 | (19,345) | 7,080 |
| Closing net surface water assets | 100,002 | 100,015 | 98,160 | 92,913 | 92,107 | 111,452 |
| Net groundwater assets | 38,922 | 50,911 | 49,410 | 50,298 | 81,782 | 67,671 |
| Opening net groundwater assets | 50,911 | 49,410 | 50,298 | 81,782 | 67,671 | 80,125 |
| Net change in groundwater assets | (11,989) | 1,501 | (888) | (31,484) | 14,111 | (12,454) |
| Closing net groundwater assets | 38,922 | 50,911 | 49,410 | 50,298 | 81,782 | 67,671 |
| Total closing net water assets | 138,924 | 150,926 | 147,570 | 143,211 | 173,889 | 179,123 |
| Total net change in water assets | (12,002) | 3,356 | 4,359 | (30,678) | (5,234) | (5,374) |
Note: quantification approaches used to derive each item volume are provided in the Methods