Table 3.
The principal component analysis of the physicochemical parameters and heavy metals in the water samples.
| Parameters | PC1 | PC2 | PC3 |
|---|---|---|---|
| TDS | 0.984 | 0.068 | 0.076 |
| Na | 0.958 | 0.079 | 0.122 |
| Mg | 0.962 | 0.069 | 0.069 |
| Ca | 0.884 | −0.01 | −0.064 |
| Cl | 0.978 | 0.066 | 0.064 |
| SO4 | 0.958 | 0.033 | 0.002 |
| HCO3 | 0.341 | 0.031 | −0.415 |
| Cd | 0.091 | 0.476 | 0.238 |
| Cr | −0.02 | 0.856 | −0.084 |
| Cu | 0.032 | 0.94 | −0.004 |
| Fe | −0.063 | 0.885 | −0.013 |
| Mn | 0.005 | 0.914 | 0.026 |
| Ni | 0.326 | 0.686 | 0.304 |
| Pb | 0.103 | 0.421 | 0.498 |
| Zn | 0.173 | 0.015 | 0.794 |
| Eigenvalues | 6 | 3.9 | 1.1 |
| % of Variance | 40 | 26.5 | 7.5 |
| Cumulative % | 40 | 66.5 | 74.1 |