Table 3.
The three extracted components (PC1, PC2, and PC3) from PCA using physico-chmical and PTEs parameters.
| Parameters | PC1 | PC2 | PC3 | PC4 |
|---|---|---|---|---|
| TDS | 0.44 | 0.11 | − 0.15 | 0.11 |
| Ca2+ | 0.34 | − 0.29 | − 0.41 | 0.13 |
| Mg2+ | 0.20 | 0.39 | 0.48 | − 0.25 |
| Na+ | − 0.27 | 0.44 | 0.13 | 0.42 |
| K+ | − 0.22 | 0.29 | − 0.24 | 0.57 |
| Cl- | 0.33 | 0.22 | 0.20 | 0.10 |
| SO42− | 0.32 | 0.17 | 0.01 | − 0.10 |
| NO3− | 0.37 | 0.14 | 0.08 | 0.00 |
| Fe | 0.25 | − 0.12 | 0.36 | 0.41 |
| Mn | 0.21 | 0.23 | − 0.47 | − 0.07 |
| Cr | 0.26 | − 0.21 | 0.05 | 0.44 |
| Pb | − 0.02 | − 0.51 | 0.33 | 0.15 |
| Eigenvalue | 3.68 | 1.79 | 1.44 | 1.28 |
| Percentage of Variance | 30.69% | 14.95% | 11.97% | 10.63% |
| Cumulative | 30.69% | 45.64% | 57.62% | 68.24% |