| Metals | Winter | Summer | Rainy | Post Rainy | Average | SD |
| As | 129 | 154 | 161 | 169 | 153.25 | 17.29 |
| B | 1138 | 2298 | 2361 | 2318 | 2028.75 | 594.41 |
| Cd | 119 | 120 | 190 | 260 | 172.25 | 67.28 |
| Cr | 123 | 169 | 231 | 289 | 203.00 | 72.42 |
| Co | 163 | 184 | 197 | 283 | 206.75 | 52.73 |
| Pb | 1480 | 1687 | 1775 | 1831 | 1693.25 | 154.03 |
| Mn | 171 | 201 | 279 | 366 | 254.25 | 87.31 |
| Zn | 1159 | 1195 | 1328 | 1494 | 1294.00 | 151.86 |
| Fe | 805 | 1389 | 1576 | 1751 | 1380.25 | 411.00 |