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The concentrations of heavy metals in water samples in the study area.
| Metal | Average concentration (μg/L) | WHO limit (μg/L) | Palestinian limit (μg/L) | Samples over MCL of PSI (%) |
|---|---|---|---|---|
| Al | 2.79 − 54.13 | 17.20 ± 16.67 | 200 | 0 |
| Zn | 20.7 ± 18.2 | 3000 | 5000 | 0 |
| Fe | 2.74 ± 2.98 | NA | 300 | 0 |
| Pb | 0 | 10 | 10 | 0 |
| Cr | 0.03 ± 0.091 | 50 | 50 | 0 |
| Ag | 0 | 50 | 50 | 0 |
| Cu | 6.47 ± 28.21 | 2000 | 1000 | 0 |
