TABLE 1.
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 |