Table 1.
Detection and Enumeration of F + coliphages in untreated and treated wastewater samples
| WWTP | F + coliphage Detection and Enumeration host | n | Untreated sewage | Secondary treated sewage | Tertiary treated sewage | |||
|---|---|---|---|---|---|---|---|---|
| No. of positives (%) | Mean Log10/100 mL sewage (SD) | No. of positives (%) | Mean Log10/100 mL sewage (SD) | No. of positives (%) | Mean Log10/100 mL sewage (SD) | |||
| WWTP-Z1 | S. typhimurium WG49 | 14 | 13 (92.9) | 2.94 (0.90) | 5 (35.7) | 0.77 (1.09) | 1 (7.1%) | 0.16 (0.61) |
| E. coli Famp HS | 14 (100) | 3.54 (0.41) | 10 (71.4) | 1.63 (1.29) | 1 (7.1%) | 0.16 (0.61) | ||
| WWTP-Z3 | S. typhimurium WG49 | 27 | 16 (59.3) | 1.27 (1.29) | 3 (11.1) | 0.27 (0.80) | NA | |
| E. coli Famp HS | 23 (85.2) | 1.76 (1.42) | 6 (22.2) | 0.57 (1.08) | NA | |||
| WWT P-Z5 | S. typhimurium WG49 | 25 | 21 (84) | 2.62 (1.20) | 0 (0) | – | 0 (0%) | – |
| E. coli Famp HS | 24 (96) | 3.00 (0.77) | 0 (0) | – | 0 (0%) | – | ||
n number of samples tested, SD standard deviation, % = percentage, NA not applicable