The table below shows that, as at 30 June 2010, there was a deficit of available water assets over water liabilities and future commitments expected to be settled within 12 months of the reporting date.
|
|
Volume (ML) |
|---|---|
|
|
|
|
Total water assets as at 30 June 2010 |
151,490 |
|
Less water assets not available to be accessed, taken or delivered |
|
|
Dead storage |
1,455 |
|
Conveyance water |
892 |
|
|
|
|
Less total water liabilities as at 30 June 2010 |
1,388 |
|
|
147,755 |
|
Less future commitments expected to be settled within 12 months of the reporting date |
|
|
Expected diversion of surface water |
150,000 |
|
Expected extraction of groundwater |
60,000 |
|
|
|
|
Surplus/deficit of available water assets over water liabilities and future commitments expected to be settled within 12 months of the reporting date |
(62,245) |
The expected diversions and extractions (provided in the table above) are based on abstractions made during 2009–10.
Based on historical data, future surface inflows (e.g. runoff) are likely to be between 50,000 and 150,000 ML/year, and groundwater inflows (e.g. recharge) are likely to be between 300,000 and 400,000 ML/year. Therefore, future commitments are likely to be met by future inflows.
National Water Account 2010
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