14.1 Adjustment and forfeiture of groundwater allocation

Supporting information

The volume reported (23,515 ML) represents the volume of unused allocated groundwater that was not permitted to be carried over at 30 June 2013 and was therefore forfeited. Carry-over of unused allocations is subject to rules detailed in the relevant water allocation plans.

Quantification approach

Data source

Bureau of Meteorology.

Provided by

Bureau of Meteorology.


The volume of water forfeited at the end of the 2012–13 year was calculated as summarised in the table below.

Calculation of forfeiture of groundwater allocations in the Adelaide region during the 2012–13 year
Account Volume (ML)
6.1 Groundwater allocation remaining (at 1 July 2012) 6,641
22.1 Groundwater allocation announcements 48,343
18.11 Entitled extraction of allocated groundwater to users (27,528)
6.1 Groundwater allocation remaining (at 30 June 2013) (3,941)
14.1 Adjustment and forfeiture of groundwater allocation 23,515

Assumptions, limitations, caveats and approximations


Uncertainty information

The uncertainty estimate was not quantified.