| Identified organisms | Occurrence | Total % |
| E. coli | 11 | 11 (28.9) |
| Pseudomonas sp. | 5 | 5 (13.2) |
| Proteus sp. | 3 | 3 (7.9) |
| Enterobacter sp. | 9 | 9 (23.7) |
| Klebsiella sp. | 8 | 8 (21.1) |
| Staphylococcus sp. | 2 | 2 (5.3) |
| Total | 15 | 38 (100) |