Perth: Statement of Water Assets and Water Liabilities
The volume of water available in the Perth region at 30 June 2016 was 51,390 ML, compared with 84,832 ML at the start of the 2015–16 year. Water availability is represented by the net water assets, which are the volume of water in storages 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.
Items in the statements are hyperlinked to the associated section of the Statement details. Methods used to derive item volumes are provided in the Reference information.
as at 30 June 2016
| 2016 ML | 2015 ML | |
|---|---|---|
| Water assets | ||
| Surface water | 167,165 | 202,362 |
| Storages | 167,165 | 202,362 |
| Unregulated river | – | – |
| Regulated river | – | – |
| Lakes and wetlands | – | – |
| Total surface water | 167,165 | 202,362 |
| Groundwater | – | – |
| Water table aquifer | – | – |
| Underlying aquifers | – | – |
| Total groundwater | – | – |
| Total water assets | 167,165 | 202,362 |
| Water liabilities | ||
| Surface water liability | 8,520 | 8,437 |
| Allocation remaining: individual users | 8,520 | 8,437 |
| Total surface water liability | 8,520 | 8,437 |
| Groundwater liability | 107,255 | 109,093 |
| Allocation remaining: individual users | 107,255 | 109,093 |
| Total groundwater liability | 107,255 | 109,093 |
| Total water liabilities | 115,775 | 117,530 |
| Opening net water assets | 84,832 | 75,881 |
| Change in net water assets | (33,442) | 8,951 |
| Closing net water assets | 51,390 | 84,832 |