9.9 Discharge from urban water system
The volume recognised in the water accounting statements (114 ML) represents the volume of wastewater discharged from the Katherine Wastewater Treatment Pond to the Katherine River during the 2011–12 year.
The volume of treated wastewater is based on measured discharge data collected by flow meter installed at the treatment plant.
Assumptions, limitations, caveats and approximations
Derived from measured data. Uncertainty range +/– 10%.