Table 6. Water quality survey results in Yeouicheon (1)
Site | Date | Velocity (m/s) | Temp. (°C) | pH | DO (mg/L) | EC (μS/cm) | Turb. (NTU) | BOD (mg/L) | TOC (mg/L) | SS (mg/L) |
Up stream | 03.24 | 1.9 | 10.6 | 7.7 | 11.7 | 407 | 53.9 | 1.6 | 2.4 | 18.6 |
07.17 | 1.6 | 21.3 | 7.7 | 8.5 | 338 | 15.9 | 0.3 | 1.9 | 17.2 |
09.29 | 1.9 | 18.1 | 7.5 | 9.8 | 408 | 9.2 | 2.3 | 1.6 | 1.8 |
11.30 | 1.6 | 7.0 | 7.7 | 13.2 | 480 | 2.1 | 1.1 | 1.9 | 1.6 |
Mean | 1.7 | 14.2 | 7.7 | 10.8 | 408 | 20.3 | 1.3 | 2.0 | 9.8 |
Seawon bridge | 03.24 | 1.6 | 12.9 | 8.9 | 13.8 | 409 | 11.8 | 1.6 | 2.3 | 7.2 |
07.17 | 1.6 | 22.6 | 8.0 | 10.1 | 338 | 9.3 | 0.4 | 1.8 | 5.0 |
09.29 | 1.7 | 19.0 | 7.7 | 10.7 | 402 | 8.3 | 2.4 | 1.4 | 1.4 |
11.30 | 2.0 | 6.8 | 8.2 | 14.4 | 458 | 3.5 | 1.1 | 1.7 | 1.2 |
Mean | 1.7 | 15.3 | 8.2 | 12.2 | 402 | 8.2 | 1.4 | 1.8 | 3.7 |
Yeoui bridge | 03.24 | 1.7 | 12.4 | 8.4 | 11.5 | 435 | 96.5 | 1.6 | 2.0 | 30.0 |
07.17 | 1.9 | 21.9 | 8.2 | 11.8 | 370 | 7.9 | 0.4 | 1.6 | 2.0 |
09.29 | 1.5 | 18.6 | 7.7 | 10.6 | 452 | 9.1 | 2.5 | 1.2 | 1.2 |
11.30 | 1.7 | 7.1 | 8.1 | 14.9 | 468 | 1.3 | 1.3 | 1.3 | 0.8 |
Mean | 1.7 | 15.0 | 8.1 | 12.2 | 431 | 28.7 | 1.5 | 1.5 | 8.5 |