Perth
21.3 Surface water allocation announcements - irrigation scheme

Supporting Information

This line item refers to the surface water allocations for the major storages within the Perth region that supply water to the irrigation scheme.

Quantification Approach

Data Source

Department of Water: Water Resource Licensing database.

Provided by

Department of Water.

Method

Licences for irrigation scheme supply are issued for periods of generally between one and ten years, with an annual abstraction amount specified and with annual compliance arrangements in place.

Assumptions, Limitations, Caveats and Approximations

Nil.

Uncertainty Information

There is no uncertainty associated with this value.

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.

 

Comparative year information for line item 21.3

2011 Account line item

2010 Account line item

2011 Account volume for the 2009–10 year (ML)

2010 Account volume for the 2009–10 year (ML)

Change from the 2010 Account to the 2011 Account

21.3 Surface water allocation announcements - irrigation scheme

25.1.2.1 Allocation announcement on regulated flows–high security, bulk irrigator holder

58,365

58,365

Change in line item name and number