| Samples (CFU/100 ml) | FS (CFU/100 ml) | FC (CFU/100 ml) | E. coli (CFU/100 ml) |
| P102 | 30 | 48 | 36 |
| S301 | 0 | 0 | 0 |
| P401 | 0 | 0 | 0 |
| F401 | 10 | 24 | 16 |
| S401 | 25 | 43 | 32 |
| P501 | 10 | 19 | 11 |
| P504 WHO Standard | 10 0 | 26 0 | 18 0 |