| Bacteria contamination | Remarks | Total Coliform (CFU/100 ml) | Total Coliform (CFU/100 ml) | Thermotolerant E. coli (CFU/100 ml) | Thermotolerant E. coli (CFU/100 ml) | Total Heterotrophic Bacteria (CFU/100 ml) | Total Heterotrophic Bacteria (CFU/100 ml) | ||||||
| Wet | Dry | Wet | Dry | Wet | Dry | Wet | Dry | Wet | Dry | Wet | Dry | ||
| No. | No. | % | % | No. | No. | % | % | No. | No. | % | % | ||
| <1 | No risk/Compliance | 0 | 4 | 0 | 28.6 | 5 | 5 | 35.7 | 35.7 | 0 | 0 | 0 | 0 |
| 1 - 10 | Low | 3 | 3 | 21.4 | 21.4 | 3 | 8 | 21.4 | 57.1 | 0 | 0 | 0 | 0 |
| 11 - 100 | Medium | 7 | 7 | 50.0 | 50.0 | 5 | 1 | 35.7 | 7.1 | 0 | 9 | 0 | 64.3 |
| 101 - 1000 | High risk | 4 | 4 | 28.6 | 28.6 | 1 | 0 | 7.1 | 0 | 14 | 5 | 100 | 35.7 |
| >1000 | Very high risk | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 |