Ord
9.9 Discharge from urban water system
Supporting Information
The volume recognised in the water accounting statements (591 ML) represents the discharge of wastewater from Wyndham Wastewater Treatment Plant to the King River as well as from Kununurra Wastewater Treatment Plant to the M1 Channel.
A breakdown of the source of wastewater is provided in the table below.
Source of Wastewater |
Volume (ML) 2010–11 |
Volume (ML) 2009–10 |
Wyndham Wastewater Treatment Plant |
62 |
77 |
Kununurra Wastewater Treatment Plant |
529 |
– |
Total |
591 |
77 |
Data for Kununurra Wastewater Treatment Plant were not reported in the 2010 Account.
Quantification Approach
Data Source
Provided by
Method
The volume of treated wastewater is based on measured discharge data collected by flow meters installed at the treatment plants.
Assumptions, Limitations, Caveats and Approximations
Nil.
Uncertainty Information
Derived from measured data. Uncertainty range +/– 10%.
Comparative year
The following table compares the value for the 2009–10 year reported in this account with the corresponding value reported in the 2010 Account.
2011 Account line item |
2010 Account line item |
Value reported in the 2010 Account (ML) |
Value reported in the 2011 Account (ML) |
Additional information |
9.9 Discharge from urban water system |
13.7.1 Discharge of urban wastewater to connected surface water |
77 |
77 |
Change in line item name and number |
The 2010 Account did not report on wastewater discharge from the Kununurra Wastewater Treatment Plant.