Perth
Statement of Water Assets and Water Liabilities

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as at 30 June 2012

2012 ML 2011 ML
Water assets
Surface water 209,455 160,173
1.1 Storages 209,455 160,173
1.2 Unregulated river - -
1.3 Regulated river - -
1.4 Lakes and wetlands - -
Total Surface water 209,455 160,173
Groundwater - -
2.1 Water table aquifer - -
2.2 Underlying aquifers - -
Total Groundwater - -
Urban water system 7,340 7,003
3.1 Urban water supply system 7,340 7,003
3.2 Wastewater system - -
3.3 Recycled water system - -
Total Urban water system 7,340 7,003
Irrigation scheme 390 370
4.1 Irrigation water supply system 390 370
Total Irrigation scheme 390 370
Total water assets 217,185 167,546
Water liabilities
Surface water liability 14,912 28,763
5.1 Surface water allocation remaining 14,912 28,763
5.4 Inter-region commitment on surface water 0 0
Total Surface water liability 14,912 28,763
Groundwater liability 150,225 159,413
6.1 Groundwater allocation remaining 150,225 159,413
Total Groundwater liability 150,225 159,413
Total water liabilities 165,137 188,176
Opening net water assets (20,630) 69,277
Add/(Less): Change in net water assets 72,678 (89,907)
Closing net water assets 52,048 (20,630)