Table 3.
Detection of indicator viruses and E. coli in water samples.
| Sample type (no. of tested samples) | PMMoV |
TMV |
CrAssphage |
E. coli |
|||||
|---|---|---|---|---|---|---|---|---|---|
| No. of positives (%) | Conc. (log10 GC/L)a | No. of positives (%) | Conc. (log10 GC/L) | No. of positives (%) | Conc. (log10 GC/L) | No. of positives (%) | Conc. (log10 MPN/100 mL) | ||
| WWTP A | Influent (20) | 19 (95) | 7.9 ± 0.3 | 19 (95) | 8.8 ± 0.5 | 20 (100) | 8.3 ± 1.4 | 19 (95) | 8.1 ± 0.7 |
| Effluent (20) | 19 (95) | 7.0 ± 0.9 | 20 (100) | 7.9 ± 1.2 | 20 (100) | 7.5 ± 1.3 | 20 (100) | 6.8 ± 2.3 | |
| WWTP B | Influent (14) | 14 (100) | 7.6 ± 0.7 | 13 (93) | 8.5 ± 0.8 | 13 (93) | 7.9 ± 1.2 | 14 (100) | 7.8 ± 0.7 |
| Effluent (14) | 14 (100) | 7.3 ± 0.7 | 14 (100) | 8.1 ± 0.9 | 14 (100) | 8.3 ± 1.1 | 14 (100) | 6.2 ± 0.9 | |
| River water (13) | 7 (54) | 6.0 ± 1.0 | 9 (69) | 7.1 ± 1.3 | 5 (38) | 8.4 ± 1.1 | 13 (100) | 6.4 ± 0.6 | |
| Hospital wastewater (1) | 1 (100) | 6.3 | 1 (100) | 8.7 | 1 (100) | 6.3 | 1 (100) | 7.2 | |
| Sewage (2) | 1 (50) | 8.5 | 1 (50) | 9.1 | 1 (50) | 8.6 | 2 (100) | 7.4 ± 0.1 | |
a
Mean ± standard deviation.