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