| Sub-Basin | Bi | Bw | Bs | Class |
| 1 | 30.71 | 30.68 | 1 | 3 |
| 2 | 51.86 | 21.05 | 2.4 | 3 |
| 3 | 41.25 | 19.56 | 2.1 | 3 |
| 4 | 74.09 | 36.24 | 2.04 | 3 |