Canberra

14.7.4 Allocation/claim diversion of regulated flows—urban water access entitlement/arrangement

Supporting information

This line item refers to the amount of water which was diverted from regulated flows under ActewAGL’s Urban Water Access entitlement. A breakdown of the amount of water taken from each reservoir is provided below.

Surface water taken for water supply
Surface water source	Water treatment plant	Volume (ML)
Bendora Reservoir	Mount Stromlo	23,731
Cotter Reservoir	Mount Stromlo	12,564
Googong Reservoir	Googong	11,734
Total		48,029

Quantification approach

Data source

ActewAGL production records.

Data provider

ActewAGL

Method

The total volume taken from surface water for urban water supply in the 2009-10 reporting year was calculated as the total volume taken from Cotter and Bendora reservoirs, and the volume taken from Googong Reservoir for the Googong Water Treatment Plant. These numbers are measured values obtained from ActewAGL production records.

Uncertainty

Derived from measured data. Estimated Uncertainty is +/- 5%.

Assumptions, approximations and caveats/limitations

The volume of water reported in this line item will form part of the 4,681 ML of excess treated water that is released from the Mount Stromlo Water Treatment Plant into Googong Reservoir. The transfer of this water is reported in line item 13.8 Other lumped surface water increase and 20.7 Other lumped water distribution system decrease.

National Water Account 2010

Related links

2011 Account

Water links

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