| Citrobacter species | No of isolates | Street name | Proportion (%) |
| C. amalonaticus | 1 | Sogea | 7.69 |
| C. freundii | 1 | Magomeni | 23.07 |
| 2 | Kihinani | ||
| 3 | Sogea | ||
| C. werkmanii | 1 | Shangani | 30.79 |
| 2 | Mwera | ||
| 3 | Mikunguni | ||
| 4 | Tomondo | ||
| C. braakii | 1 | Kijichi | 15.38 |
| 2 | Kilimahewa | ||
| C. farmeri | 1 | Kijichi | 23.07 |
| 2 | Kijichi | ||
| 3 | Magogoni |