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