Sydney
3.9 Other urban claims on water

Supporting Information
Quantification Approach
Comparative year

Supporting Information

The volume for this line item is 0 ML.

This item represents the opening and closing balance for industrial and commercial holders. Delta Electricity was entitled to 23,000 ML of water from the Cox River water source as stated in their water management licence. Reconciliation of this line item is described in the following table.

Calculation of other urban claims on water for the 2010–11 year
Calculation	Line item	Volume (ML)
	Opening balance (as at 1 July 2010)	0
add	11.20 Increase of other urban claims on water	23,000
less	11.14 Other delivery of water to urban system	21,308
less	19.19 Decrease of other urban claims on water	1,692
equals	Closing balance (as at 30 June 2011)	0

Quantification Approach

Data Source

Delta Electricity Water management Licence, Delta Electricity – data spreadsheets.

Provided by

The Bureau of Meteorology – calculated opening and closing balance; Delta Electricity – entitlement information and metered diversions from reservoirs.

Method

Delta Electricity's water management licence operates from 1 July to 30 June. At the end of the water management year, any unused allocation is forfeited. Therefore, the remaining urban claim on 30 June 2011 is 0 ML.

Assumptions, Limitations, Caveats and Approximations

Nil.

Uncertainty Information

The uncertainty estimate was not quantified.

Comparative year

The following table compares the value at 30 June 2010 reported in this account with the corresponding value reported in the 2010 Account.

Comparative year information from the 2010 Account for line item 3.9
2011 Account line item	2010 Account line item	Value reported in the 2010 Account (ML)	Value reported in the 2011 Account (ML)	Additional information
3.9 Other urban claims on water	Not applicable	Not applicable	0	Line item presentation: this is a new line item not reported in the 2010 Account. In order to reconcile the allocation on the urban water system it has been included in the 2011 Account.

Sydney3.9 Other urban claims on water