Perth
Reconciliations
Reconciliation of closing water storage to total water assets
|
2011 Volume (ML) |
2010 Volume (ML) |
|
|
|
Closing water storage comprises: |
167,546 |
261,190 |
1 Surface water |
|
|
160,173 |
253,878 |
|
3 Urban water system |
|
|
7,003 |
6,942 |
|
4 Irrigation Scheme |
|
|
370 |
370 |
|
|
|
|
Plus non-physical water assets: |
0 |
0 |
|
|
|
Total water assets |
167,546 |
261,190 |
Reconciliation of the net change in water storage to the change in net water assets
|
2011 Volume (ML) |
2010 Volume (ML) |
|
|
|
Change in net water assets |
(89,907) |
2,313 |
adjustments for: |
|
|
(Increase) / decrease in non-physical water assets: |
0 |
0 |
|
|
|
Increase / (decrease) in water liabilities: |
|
|
5 Surface water liability |
|
|
(67) |
4,755 |
|
6 Groundwater liability |
|
|
(3,670) |
23,035 |
|
Total change in water liabilities |
(3,737) |
27,790 |
|
|
|
Net change in water storage |
(93,644) |
30,103 |