1. This water accounting report has been prepared and presented in accordance with the Exposure Draft of the Australian Water Accounting Standard 1, with the following exceptions:
No Assurance Statement was prepared because the standard for, and practice of, assurance of water accounting reports have yet to be developed.
The Accountability Statement does not present information that would assist users to understand and evaluate the accountability of water managers because of the impracticality of doing so in this report.
Volumes in the water accounting Statements have not been adjusted to reflect an error discovered in the modelled volume of evapotranspiration because the error could not be quantified prior to the issue of this report.
Notes on the quantification approaches and levels of uncertainty are incomplete because the knowledge base is often inadequate.
No information is disclosed about material events that occurred after 30 June 2010, such as extreme precipitation and significant water rights purchases. This information is publicly available elsewhere.
Groundwater asset changes have been recognised in the Statement of Changes in Water Assets and Water Liabilities, without a corresponding groundwater asset volume being recognised in the Statement of Water Assets and Water Liabilities. This is because groundwater flows and levels could be quantified, but storage volumes could not.
Volumes in the water accounting Statements have not been adjusted for a flaw discovered in the logic of the method used to quantify the volume of groundwater recharge because the appropriate adjustment could not be resolved prior to the issue of this report.
2. The report has been compiled from the best data available in the time available to compile it from a number of sources, as detailed in the water accounting statement Notes. Some data quality compromises have been made by the Bureau of Meteorology for the sake of a nationally-consistent approach to report preparation and presentation.
3. All significant and specific interpretations of the Exposure Draft of the Australian Water Accounting Standard 1 for the purpose of the preparation of this report are explained in the significant water accounting policy Notes. The Bureau of Meteorology is responsible for all of these interpretations.
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