Pb (mg/l) | Cd (mg/l) | Zn (mg/l) | Cu (mg/l) | Ni (mg/l) | Co (mg/l) | pH | EC | TDS (ppm) | Temp (˚C) | |
NIS STANDARD (2007) | 0.01 | 0.003 | 3.0 | 1.0 | 0.02 | - | 6.5 - 8.5 | 1000 | 500 | Ambient |
WHO STANDARD (2012) | 0.01 | 0.003 | 3.0 | 2.0 | 0.07 | - | 6.5 - 9.2 | 500 | 500 | - |
EKW1 | 0.800 | 0.235 | 0.265 | 2.845 | 0.620 | <0.001 | 8.1 | 243 | 122 | 25.2 |
EKW2 | 1.550 | 0.165 | 0.170 | 0.050 | 0.345 | 15.225 | 9.2 | 483 | 242 | 27.0 |
EKW3 | <0.001 | 0.080 | 0.820 | <0.001 | <0.001 | <0.001 | 8.9 | 393 | 196 | 26.6 |
EKW4 | 0.300 | 0.190 | 0.325 | <0.001 | 0.015 | <0.001 | 9.5 | 248 | 125 | 32.0 |
EKW5 | 0.050 | 0.085 | 2.355 | 0.200 | <0.001 | <0.001 | 8.0 | 152 | 300 | 31.0 |
EKW6 | 0.200 | 0.130 | 0.585 | 0.010 | <0.001 | <0.001 | 9.3 | 329 | 163 | 28.8 |
EKW7 | 0.350 | 0.160 | 0.635 | 0.135 | 0.230 | <0.001 | 8.9 | 325 | 162 | 28.6. |
IGW1 | <0.001 | 0.055 | 0.870 | 0.010 | <0.001 | <0.001 | 9.3 | 134 | 230 | 31.0 |
IGW2 | <0.001 | 0.045 | 0.655 | <0.001 | 0.170 | <0.001 | 8.4 | 358 | 179 | 27.9 |
IGW3 | 0.150 | 0.015 | <0.001 | <0.001 | <0.001 | <0.001 | 9.4 | 583 | 289 | 27.9 |
MEAN | 0.485714 | 0.116 | 0.742222 | 0.541667 | 0.276 | 15.225 | 8.9 | 320.3 | 200.8 | 28.6 |
STANDARD DEVIATION | 0.527347 | 0.071016 | 0.651585 | 1.130888 | 0.226147 | 0.549747 | 134.9502 | 62.85574 | 2.165897 | |
VARIANCE | 0.278095 | 0.005043 | 0.424563 | 1.278907 | 0.051143 | 0.302222 | 18211.57 | 3950.844 | 4.691111 |