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Operational parameters of investigated WWTPs
| WWTP | Population served | Avg daily dry-weather flow (ml) | Effluent disinfection method | Typical coliform range (CFU 100 ml−1) |
|---|---|---|---|---|
| 1 | 700,000 | 140 | None | 1e4-1e5 |
| 2 | 11,000 | 2.8 | Chlorination | 10-170 |
| 3 | 228,000 | 60 | Chlorination | 2-88 |
| 4 | 65,000 | 15.4 | Chlorination | <2 |
| 5 | 80,000 | 20 | UV radiation | 1-150 |
