Table 7. Water quality survey results in Yeouicheon (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)
Up stream 03.24 5.905 6.173 0.166 5.444 0.046 0.038 0.020 28.1
07.17 3.933 3.785 0.024 3.406 0.041 0.033 0.030 1.8
09.29 4.970 4.941 0.020 4.609 0.038 0.029 0.028 2.6
11.30 6.802 7.226 0.225 6.116 0.027 0.023 0.020 0.9
Mean 5.403 5.531 0.109 4.894 0.038 0.031 0.025 8.3
Seawon bridge 03.24 5.421 5.190 0.000 4.908 0.041 0.023 0.014 22.7
07.17 3.460 3.559 0.014 3.205 0.035 0.031 0.032 1.6
09.29 4.268 4.320 0.017 3.962 0.034 0.028 0.032 2.2
11.30 6.214 6.350 0.068 5.581 0.026 0.021 0.019 0.5
Mean 4.841 4.855 0.025 4.414 0.034 0.026 0.024 6.7
Yeoui bridge 03.24 4.333 4.118 0.070 3.911 0.083 0.033 0.023 3.4
07.17 3.276 3.277 0.016 2.999 0.030 0.027 0.028 2.0
09.29 3.965 4.094 0.067 3.756 0.035 0.028 0.035 1.0
11.30 4.853 4.833 0.276 4.066 0.051 0.032 0.032 0.5
Mean 4.107 4.081 0.107 3.683 0.050 0.030 0.030 1.7