| Toxic Metals | MB-1 | MB-2 | MB-3 | MB-4 | MB-5 | WHO |
| Al (μg/L) | 123.00 | 60.40 | 50.20 | 102.00 | 106.00 | 200 |
| As (μg/L) | 95.40 | 10.40 | 42.80 | 31.00 | 27.10 | 10 |
| Ba(μg/L) | 68.60 | 61.50 | 90.40 | 151.00 | 60.90 | 700 |
| Cd (μg/L) | 2.59 | 1.02 | 1.84 | 1.80 | 2.75 | 3 |
| Co (μg/L) | 1.22 | 2.33 | 0.95 | 0.83 | 1.82 | - |
| Cr (μg/L) | 22.50 | 2.57 | 20.10 | 22.30 | 20.60 | 50 |
| Cu (μg/L) | 23.80 | 8.65 | 3.28 | 26.80 | 31.50 | 2000 |
| Hg (μg/L) | 16.30 | 12.00 | 24.20 | 22.00 | 12.30 | 1 |
| Ni (μg/L) | 25.72 | 33.00 | 13.43 | 17.30 | 17.10 | 20 |
| Pb (μg/L) | 39.22 | 34.90 | 34.70 | 32.00 | 54.40 | 10 |
| Se (μg/L) | 82.74 | 54.28 | 141.00 | 34.00 | 55.30 | 10 |
| Sn (μg/L) | 24.80 | 11.30 | 20.80 | 10.90 | 8.76 | - |
| V (μg/L) | 10.70 | 9.11 | 3.10 | 7.45 | 2.20 | - |
| Zn (μg/L) | 29.50 | 20.60 | 11.70 | 7.20 | 1.07 | 3000 |