Perth
6.3 Groundwater allocation remaining - irrigation scheme
Supporting Information
This line item represents the volume of groundwater allocation remaining for irrigation supply licence entitlements at the end of the 2010–11 year.
Quantification Approach
Data Source
Provided by
Method
There is one groundwater irrigation scheme supply licence within the Perth region (Chittering Valley). The water supply licence for the Chittering Valley Irrigation Scheme has a water management year that ends on 1 August. Therefore, the allocation remaining at the end of the 2010–11 year for the Perth region is the unused component of the annual allocation.
The allocation remaining was calculated as shown in the following table.
|
Account |
Volume (ML) |
|
Opening balance (as at 30 June 2010) |
652 |
add |
652 |
|
less |
0 |
|
less |
652 |
|
|
Closing balance (as at 30 June 2011) |
652 |
Assumptions, Limitations, Caveats and Approximations
Uncertainty Information
Comparative year
The following table presents substantive changes in the line item reported in this 2011 Account with the corresponding line item in the 2010 Account.
2011 Account line item |
2010 Account line item |
2011 Account volume at 30 June 2010 (ML) |
2010 Account volume at 30 June 2010 (ML) |
Change from the 2010 Account to the 2011 Account |
6.3 Groundwater allocation remaining - irrigation scheme |
9.1.3.1 Groundwater allocation remaining–bulk irrigator holder |
652 |
54 |
Volume restated due to subsequent availability of information from the licence holder (refer to line item 18.13) Change in line item name and number |