| Parameter | Secondary Effluent | Primary Effluent | ||||
| Lower value | Upper value | Average (st.dev) | Lower value | Upper value | Average (st.dev) | |
| Alkalinity | 240 | 260 | 222.8 (1.81) | 160 | 165 | 162 (2.3) |
| COD (mg/L) | 59 | 80.0 | 58 (7.6) | 277 | 287 | 280 (1.5) |
| NH3 (mg-N/L) | 53 | 48 | 51 (3.6) | 38 | 42 | 41 (0.8) |
| NO2 (mg-N/L) | 0.15 | 0.86 | 0.35 (0.16) | 0.006 | 0.89 | 0.53 (0.05) |
| NO3 (mg-N/L) | 8 | 12 | 10.2 (0.91) | 0.2 | 0.23 | 0.21 (0.06) |
| Total Phosphorus (mg/L) | 26 | 35 | 33 (0.3) | 10 | 8 | 9 (0.5) |
| pH | 7.56 | 8.1 | 7.76 (0.1) | 7.5 | 7.7 | 7.6 (0.5) |