Water Quality
WCG take water quality very seriously. Robust monitoring systems established for compliance requirements confirms the quality treatment performance of WCG wetland systems. Treatment performance of two systems WCG staff designed are provided below.
WCG Wastewater case study information [EPA data]
West Byron wetland
- Existing BNR system plus
- 17ha of treatment wetlands
- 3ha of biodiversity wetland
- 24ha reuse carbon sink forest
Wetland performance - EPA data over 5 years
| Wetland | TN mg/L | TP mg/L |
|---|---|---|
| Inlet | 2.83 | 0.26 |
| Outlet | 0.81 | 0.13 |
| % reduction | 71% | 50% |
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South Lismore wetland
- Existing trickling filter system plus
- 3.4ha of treatment wetlands
Wetland performance - EPA data over 8 years
| Wetland | TN mg/L | TP mg/L |
|---|---|---|
| Inlet | 10.1 | 3.5 |
| Outlet | 2.43 | 0.58 |
| % reduction |
85% |
83% |
