The volume recognised in the water accounting statements (224,566 ML) represents the volume of water the Melbourne region is entitled to from:
The Melbourne region also has claims to water from Silver and Wallaby creeks; however, this claim is not a volumetric entitlement and is not included in the claim remaining. Refer to Line item 13.6.3 for the actual volumes of water transferred into the Melbourne region from interbasin transfers.
Source | Opening (ML) 01 July 2009 |
Closing (ML) 30 June 2010 |
---|---|---|
Thomson Reservoir |
157,200 |
213,600 |
Lake Eildon |
– |
10,966 |
Total |
157,200 |
224,566 |
The Melbourne region is entitled to water held in the Thomson Reservoir under Bulk Entitlements held by the retail water authorities Yarra Valley Water, City West Water and South East Water.
At any time, the volume remaining on the entitlement to the Melbourne region is a known quantity. The opening and closing balance of the claim on water in the Thomson Reservoir is shown below.
Account |
Volume (ML) |
---|---|
Opening balance (01 July 2009) |
157,200 |
Closing balance (30 June 2010) |
213,600 |
Further information on the Thomson Reservoir is provided in the region notes specific to Thomson Reservoir.
Water for the Melbourne region is allocated from the Goulburn River catchment and the Murray River catchment, and is stored in Lake Eildon. The inter-basin claim remaining on water in Lake Eildon is calculated as shown below.
Account | Volume (ML) | |
---|---|---|
Opening balance (01 July 2009) |
0 |
|
less | 5% to account for annual evaporation |
01 |
add | Allocation announcement on regulated flows2 |
27,709 |
less | Allocation diversion of regulated surface water flows (water passing through North–South pipeline) |
16,743 |
less | Adjustment and forfeiture of allocation on regulated flows |
0 |
Closing balance (30 June 2010) |
10,966 |
The North–South Pipeline became operational during 2009–10, linking the Goulburn River and Yarra River catchments. Water was first passed through the pipeline on 14 December 2009, and the pipeline was formally commissioned by the Victorian Minister for Water on 10 February 2010.
Allocation announcements from the Goulburn River and Murray River catchments are shown below.
Source of water entitlement | Allocation date | Allocation volume (ML) |
---|---|---|
Goulburn River catchment |
09 Dec 09 18 Dec 09 01 Feb 10 03 Feb 10 |
12,500 2,500 6,721 5,800 |
Murray River catchment |
01 Feb 10 |
188 |
Total allocations |
27,709 |