Parameters | PC1 | PC2 | PC3 | PC4 | PC5 | PC6 |
EC | 0.921 | 0.202 | 0.193 | 0.081 | −0.043 | −0.019 |
Salinity | 0.921 | 0.202 | 0.193 | 0.081 | −0.043 | −0.019 |
TDS | 0.920 | 0.197 | 0.192 | 0.084 | −0.043 | −0.017 |
Total Hardness | 0.905 | 0.304 | 0.195 | 0.142 | 0.062 | 0.081 |
Mg | 0.885 | 0.317 | 0.175 | 0.165 | 0.059 | 0.025 |
Ca | 0.881 | 0.310 | 0.227 | 0.153 | 0.024 | 0.166 |
K | 0.869 | 0.229 | 0.259 | 0.170 | −0.010 | 0.222 |
Cl | 0.834 | 0.378 | 0.249 | 0.114 | 0.066 | 0.097 |
Na | 0.782 | 0.314 | 0.228 | 0.313 | 0.000 | 0.273 |
Cd | 0.169 | 0.874 | 0.167 | 0.228 | −0.181 | 0.068 |
Ni | 0.287 | 0.861 | 0.175 | 0.247 | −0.110 | 0.135 |
Cu | 0.377 | 0.850 | 0.081 | 0.194 | 0.077 | 0.112 |
Pb | 0.285 | 0.826 | 0.251 | 0.248 | −0.079 | 0.202 |
Cr | 0.409 | 0.824 | 0.026 | 0.228 | 0.057 | 0.066 |
Zn | 0.249 | 0.797 | 0.239 | 0.118 | 0.119 | 0.264 |
Mn | 0.539 | 0.650 | 0.242 | 0.008 | 0.281 | −0.115 |
Fe | 0.316 | 0.639 | 0.598 | 0.003 | 0.032 | −0.031 |
HNO3 | 0.532 | 0.584 | 0.382 | 0.349 | 0.075 | −0.067 |
V | 0.413 | 0.578 | 0.335 | 0.166 | −0.258 | 0.172 |
Turbidity | 0.467 | 0.169 | 0.830 | −0.082 | −0.056 | 0.150 |
Color | 0.498 | 0.219 | 0.814 | −0.044 | −0.053 | 0.124 |
TSS | 0.533 | 0.227 | 0.787 | −0.078 | −0.068 | 0.076 |
SO4 | 0.570 | 0.435 | 0.597 | 0.113 | 0.069 | 0.176 |
P | 0.026 | 0.218 | 0.545 | 0.323 | 0.338 | −0.159 |
NO2 | 0.141 | 0.422 | −0.068 | 0.842 | 0.158 | 0.098 |
NO3 | 0.196 | 0.338 | 0.020 | 0.773 | 0.186 | 0.168 |
NH4N | 0.261 | 0.436 | 0.039 | 0.772 | 0.189 | 0.071 |
Air Temperature | −0.015 | −0.070 | −0.029 | 0.114 | 0.805 | −0.078 |
Water Temperature | 0.120 | −0.057 | 0.079 | 0.342 | 0.744 | 0.007 |
pH | 0.255 | −0.185 | 0.112 | 0.513 | −0.599 | −0.276 |
COD | 0.017 | 0.233 | 0.169 | 0.180 | −0.302 | 0.800 |
BOD5 | −0.196 | −0.135 | 0.031 | 0.030 | −0.373 | −0.693 |
DO | 0.267 | 0.169 | 0.498 | 0.378 | −0.266 | 0.509 |
Eigen Value | 17.984 | 3.508 | 2.509 | 1.952 | 1.583 | 1.430 |
% of Variance | 54.498 | 10.631 | 7.604 | 5.914 | 4.796 | 4.334 |