Perth
6.2 Groundwater allocation remaining – urban water system
Supporting information
This line item volume (0 ML) represents the volume of groundwater allocation remaining for urban water supply licence entitlements in the Perth region at the end of the 2012–13 year.
Quantification approach
Data source
Water Resource Licensing database and licensee meter readings.
Provided by
Department of Water.
Method
The licensed water management year for all bore fields within the Perth region is 1 July–30 June. For these licences, any unused allocation at the end of the water management year is forfeited; therefore, the allocation remaining at the end of the reporting period is zero, as shown in the following table.
| Account |
Volume (ML) |
|
|
Opening balance (at 1 July 2012) |
0 |
add |
151,005 |
|
less |
139,622 |
|
less |
11,383 |
|
|
Closing balance (at 30 June 2013) |
0 |
Assumptions, limitations, caveats and approximations
Nil.
Uncertainty information
The uncertainty estimate was not quantified.