| Name of watercourse | Sediment area (m2) | Perimeter (m) |
| Kahwa | 18773.100 | 1068.520 |
| Wesha | 2686.730 | 374.894 |
| Tshula | 4745.520 | 473.574 |
| Mugaba | 6834.720 | 617.370 |
| Nyamuhinga | 4730.950 | 467.204 |