| Samples | Station | pH | Pb | Cu | As |
| 01 | Tangjia | 7.81 | 39.5 | 32.5 | 12.85 |
| 02 | 8.06 | 34.9 | 33.4 | 13.09 | |
| 03 | Baitangmiao | 7.93 | 43.1 | 28.7 | 12.50 |
| 04 | 8.01 | 33.0 | 28.2 | 10.80 | |
| Level 2 standard of GB15618-1995 | >7.5 | ≤350 | ≤100 | ≤25 | |