| Sub-basin | Lmf )km) | Ls )km) | Smf = Lmf/Ls | Class |
| 10 | 13.59 | 13 | 1.04 | 1 |
| 12 | 17.85 | 11 | 1.62 | 3 |
| 15 | 18.01 | 14 | 1.28 | 2 |
| 16 | 12.8 | 9 | 1.42 | 2 |
| 20 | 6.53 | 4 | 1.63 | 3 |
| 23 | 9.79 | 6 | 1.63 | 3 |