Perth
Water Accounting Statements : Water Assets and Water Liabilities
as at 30 June 2011
| 2011 ML | 2010 ML | |
|---|---|---|
| Water assets | ||
| Surface water | 160,173 | 253,878 |
| 1.1 Storages | 160,173 | 253,878 |
| 1.2 Unregulated river | - | - |
| 1.3 Regulated river | - | - |
| 1.4 Lakes and wetlands | - | - |
| Total Surface water | 160,173 | 253,878 |
| Groundwater | - | - |
| 2.1 Water table aquifer | - | - |
| 2.2 Underlying aquifers | - | - |
| Total Groundwater | - | - |
| Urban water system | 7,003 | 6,942 |
| 3.1 Urban water supply system | 7,003 | 6,942 |
| 3.2 Wastewater collection system | - | - |
| Total Urban water system | 7,003 | 6,942 |
| Irrigation scheme | 370 | 370 |
| 4.1 Irrigation water supply system | 370 | 370 |
| Total Irrigation scheme | 370 | 370 |
| Total water assets | 167,546 | 261,190 |
| Water liabilities | ||
| Surface water liability | 28,763 | 28,830 |
| 5.1 Surface water allocation remaining | 28,763 | 28,830 |
| 5.4 Inter-region commitment on surface water | 0 | 0 |
| Total Surface water liability | 28,763 | 28,830 |
| Groundwater liability | 159,413 | 163,083 |
| 6.1 Groundwater allocation remaining | 159,413 | 163,083 |
| Total Groundwater liability | 159,413 | 163,083 |
| Total water liabilities | 188,176 | 191,913 |
| Opening net water assets | 69,277 | 66,964 |
| Add/(Less): Change in net water assets | (89,907) | 2,313 |
| Closing net water assets | (20,630) | 69,277 |