Daly
6.2 Groundwater allocation remaining – urban water system
Supporting information
The volume recognised in the water accounting statements of 3,941 ML represents the volume of groundwater allocation remaining for urban water supply licence entitlements in the Daly region at the end of the 2012–13 year.
The urban water supply licences relate to groundwater extraction from the Tindall aquifer for Katherine town supply.
Quantification approach
Data source
Water Resource Licensing database.
Provided by
The Department of Land Resource Management.
Method
The water supply licences for Katherine have a water management year that ends on 30 April. Therefore, the allocation remaining at the end of the 2012–13 year for the Daly region is the unused component of the annual allocation for this urban licence.
The allocation remaining was calculated as shown in the following table.
|
Account |
Volume (ML) |
|
Opening balance (at 30 June 2012) |
3,940 |
add |
22.2 Groundwater allocation announcement (on 1 May 2013) |
4,076 |
less |
18.12 Groundwater allocation extraction (up to 30 June 2013) |
740 |
less |
14.2 Adjustment and forfeiture of groundwater allocation (on 30 April 2013) |
3,335 |
|
Closing balance (at 30 June 2013) |
3,941 |
Assumptions, limitations, caveats and approximations
Uncertainty information
The uncertainty estimate was not quantified.