Table 5. Water quality survey results in Yangjaecheon (2)
Site | Date | TN (mg/L) | DTN (mg/L) | NH3-N (mg/L) | NO3-N (mg/L) | TP (mg/L) | DTP (mg/L) | PO4-P (mg/L) | Chlorophyll-a (mg/m3) |
Juam bridge | 03.23 | 5.970 | 5.843 | 0.540 | 4.911 | 0.051 | 0.023 | 0.013 | 4.8 |
07.15 | 2.923 | 2.933 | 0.064 | 2.515 | 0.040 | 0.029 | 0.022 | 2.6 |
09.24 | 3.947 | 3.959 | 0.017 | 3.813 | 0.040 | 0.035 | 0.024 | 11.3 |
11.25 | 6.998 | 6.961 | 0.203 | 5.678 | 0.030 | 0.025 | 0.023 | 0.5 |
Mean | 4.960 | 4.924 | 0.206 | 4.229 | 0.040 | 0.028 | 0.021 | 4.8 |
Bodo bridge | 03.23 | 5.558 | 5.785 | 0.222 | 5.176 | 0.045 | 0.025 | 0.012 | 2.6 |
07.15 | 2.775 | 2.773 | 0.030 | 2.448 | 0.041 | 0.029 | 0.026 | 3.5 |
09.24 | 4.138 | 4.000 | 0.029 | 3.801 | 0.037 | 0.040 | 0.027 | 4.4 |
11.25 | 6.437 | 6.418 | 0.172 | 5.144 | 0.035 | 0.027 | 0.026 | 0.4 |
Mean | 4.727 | 4.744 | 0.113 | 4.142 | 0.040 | 0.030 | 0.023 | 2.7 |
Daechi bridge | 03.23 | 4.799 | 4.740 | 0.000 | 4.169 | 0.024 | 0.020 | 0.012 | 4.0 |
07.15 | 4.447 | 4.239 | 0.181 | 3.640 | 0.030 | 0.022 | 0.022 | 2.2 |
09.24 | 3.576 | 3.543 | 0.000 | 3.439 | 0.040 | 0.036 | 0.029 | 3.1 |
11.25 | 5.214 | 5.112 | 0.016 | 4.404 | 0.049 | 0.033 | 0.027 | 2.2 |
Mean | 4.509 | 4.409 | 0.049 | 3.913 | 0.036 | 0.028 | 0.023 | 2.9 |