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Perth

                                                                                                   

Water Assets and Water Liabilities

                             

as at 30 June 2010

Data
Type

2010
ML

Water assets

Connected surface water store

253,878

Physical water assets

1.1 Storages—entitlement system

Measured 253,878

1.2 Unregulated channel

-

1.3 Regulated channel

-

1.4 Lakes and wetlands—connected

-
Total Connected surface water store 253,878

Groundwater store assets

-

Physical water assets

2.1 Water table aquifer

-

2.2 Underlying aquifers

-
Total Groundwater store -

Water distribution system store

7,698

Physical water assets

5.1 Urban potable water supply system

Estimated 6,942

5.2 Urban wastewater system

-

5.4 Irrigation water supply system

Estimated 370
Total physical water assets 7,312

Non-physical water assets

7.12 Allocation from connected surface water on regulated flows remaining—urban holder

Measured 102

7.14 Allocation from groundwater remaining—urban holder

Measured 230

7.15 Non-physical Water distribution system asset—other lumped

Estimated 54
Total non-physical water assets 386
Total Water distribution system store 7,698

Total water assets

261,576

Water liabilities

Surface water liability

24,524

8.1 Allocation on regulated flows remaining

8.1.2 Allocation on regulated flows remaining—high security WAE

8.1.2.1 Allocation on regulated flows remaining—high security, bulk irrigator holder

Measured 0

8.1.2.4 Allocation on regulated flows remaining—high security, urban holder

Measured 102

8.1.9 Allocation on regulated flows remaining—other lumped WAE

8.1.9.7 Allocation on regulated flows remaining—other lumped holders

Estimated 24,422
Total Surface water liability 24,524

Groundwater liability

142,206

9.1 Groundwater allocation remaining

9.1.3 Groundwater allocation remaining—other lumped class

9.1.3.1 Groundwater allocation remaining—bulk irrigator holder

Estimated 54

9.1.3.4 Groundwater allocation remaining—urban holder

Measured 230

9.1.3.7 Groundwater allocation remaining—other lumped holders

Estimated 141,922
Total Groundwater liability 142,206

Total water liabilities

166,730

Net water assets

94,846

Net water assets

Opening net water assets

66,964

Change in net water assets

27,882

Closing net water assets

94,846

Data
Type

2010
ML