Return period | Before performing | After biological performing | Difference into before performing (%) | After mechanical performing | Difference into before performing (%) | After biological and Mechanical performing | Difference into before performing (%) | After complete performing of watershed plan | Difference into before performing (%) |
2 | 0.04 | 0.08 | 88.76 | 0.04 | −2.94 | 0.08 | 82.24 | 0.04 | −2.71 |
5 | 0.98 | 1.25 | 27.12 | 0.96 | −1.99 | 1.23 | 25.69 | 0.96 | −2.50 |
10 | 3.13 | 3.57 | 14.10 | 3.11 | −0.62 | 3.56 | 13.92 | 3.05 | −2.51 |
25 | 8.19 | 9.19 | 12.21 | 7.96 | −2.72 | 8.61 | 5.14 | 7.75 | −5.37 |
50 | 13.78 | 15.09 | 9.50 | 13.04 | −5.37 | 13.89 | 0.79 | 12.65 | −8.23 |
100 | 20.63 | 22.25 | 7.85 | 19.19 | −6.95 | 20.54 | −0.41 | 18.58 | −9.94 |