Wastewater discharges to the marine environment only occurred within the Logan Basin water resource plan (WRP) area. The Elanora, Merrimac and Coombabah wastewater treatment plants (WWTPs) located in the Gold Coast WRP area discharge into the river systems below the lowest gauge on the river and have been included in line item 20.4.1 Discharge of urban wastewater to connected surface water.
Individual licence discharge holders from the Queensland Department of Environment and Resource Management (DERM) Point Source Database.
DERM.
DERM collected licensed discharges from all licence holders whose WWTPs discharge to the marine environment. Individual discharges were summed to obtain the total wastewater discharge out of the South East Queensland (SEQ) region.
Derived from measured data. DERM reliability and accuracy rating is A2 (see glossary).
DERM has accepted the data provided by holders of discharge licences in good faith.