| 1st | 2nd | 3rd | |||||||||||
| Runoff characteristics | Duration (hrs) | 5.3 | 12.0 | 34.0 | |||||||||
| Mean flow (m3/hr) | 1911 | 4884 | 1145 | ||||||||||
| Peak discharge (m3/hr) | 4533 | 15,257 | 2422 | ||||||||||
| Total runoff (m3) | 151,901 | 879,048 | 584,128 | ||||||||||
| Anterior rainfall (m3/hr) | 42 | 59 | 161 | ||||||||||
| EMC* (mg/L) | SS | 215.3 | 220.2 | 44.1 | |||||||||
| COD | 23.7 | 18.5 | 11.3 | ||||||||||
| T-N | 8.0 | 3.4 | 5.5 | ||||||||||
| T-P | 0.9 | 0.4 | 0.3 | ||||||||||
| Concentration (mg/L) | Item Characteristics | SS | COD | T-N | T-P | SS | COD | T-N | T-P | SS | COD | T-N | T-P |
| Max. | 675.7 | 29.6 | 12.0 | 1.7 | 418.0 | 28.8 | 5.0 | 0.7 | 111.0 | 15.2 | 10.9 | 0.5 | |
| Mean | 175.1 | 20.2 | 6.9 | 0.8 | 144.2 | 14.9 | 3.2 | 0.4 | 39.1 | 11.0 | 4.9 | 0.3 | |
| Min. | 23.0 | 12.8 | 1.6 | 0.2 | 18.0 | 7.2 | 1.5 | 0.1 | 13.0 | 8.5 | 1.9 | 0.2 | |
| Before rainfall | 53.2 | 15.6 | 3.5 | 0.2 | 16.4 | 7.5 | 2.8 | 0.1 | 6.6 | 6.4 | 2.7 | 0.3 | |
| Loadings (kg/hr) | Item Characteristics | SS | COD | T-N | T-P | SS | COD | T-N | T-P | SS | COD | T-N | T-P |
| Max. | 3063.3 | 134.2 | 54.6 | 7.6 | 6377.3 | 439.4 | 76.6 | 10.3 | 268.8 | 36.8 | 26.5 | 1.2 | |
| Mean | 334.7 | 38.6 | 13.1 | 1.5 | 704.2 | 72.5 | 15.4 | 1.9 | 44.8 | 12.6 | 5.6 | 0.3 | |
| Total loadings (kg) | 32,699 | 3594 | 1210 | 141 | 193,583 | 16,248 | 2956 | 392 | 25,787 | 6607 | 3240 | 176 | |
| Before rainfall | 2.2 | 0.7 | 0.2 | 0.01 | 1.0 | 0.5 | 0.2 | 0.01 | 1.1 | 1.0 | 0.4 | 0.04 | |