Perth: Statement of Water Assets and Water Liabilities
The volume of water available in the Perth region at 30 June 2017 was 186,624 ML, compared with 146,741 ML at the start of the 2016–17 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.
2017 ML | 2016 ML | |
---|---|---|
Water assets | ||
Surface water | 297,520 | 262,516 |
Storages | 297,520 | 262,516 |
Unregulated river | – | – |
Regulated river | – | – |
Lakes and wetlands | – | – |
Groundwater | – | – |
Water table aquifer | – | – |
Underlying aquifers | – | – |
Total water assets | 297,520 | 262,516 |
Water liabilities | ||
Surface water liability | 8,522 | 8,520 |
Allocation remaining: individual users | 8,522 | 8,520 |
Groundwater liability | 102,374 | 107,255 |
Allocation remaining: individual users | 102,374 | 107,255 |
Total water liabilities | 110,896 | 115,775 |
Opening net water assets | 146,741 | 217,298 |
Change in net water assets | 39,883 | (70,557) |
Closing net water assets | 186,624 | 146,741 |