22.3 Groundwater allocation announcements – irrigation scheme

Supporting information

This line item volume (652 ML) represents the total water allocation for groundwater supply to the irrigation scheme in the Perth region during the 2011–12 year.

Quantification approach

Data source

Water Resource Licensing database.

Provided by

Department of Water.


There is one groundwater irrigation scheme supply licence within the Perth region (Chittering Valley). The total groundwater allocation announcement is assumed to be equal to 100% of the annual entitlement.

Assumptions, limitations, caveats and approximations


Uncertainty information

There is no uncertainty associated with this value.