| Pb | Cd | As | Zn | Ni | Cu | Hg | |
| Maximum value | 529 | 1.9 | 53.9 | 271 | 85.6 | 138 | 0.199 |
| Average value | 93.8 | 0.7 | 26.3 | 144.5 | 39.3 | 47.4 | 0.1 |
| PN | 385.64 | 1.515 | 59.57 | 240 | 66.6 | 103.18 | 0.173 |
| Degree of pollution | Heavy | Light | Heavy | Heavy | Heavy | Heavy | Clean |