| Site | Endrin aldehyde (μg/L) | Methoxychlor (μg/L) | Endosulfan sulfate (μg/L) | DDE (μg/L) | α-Chlordane (μg/L) |
| A | 1.619 | 0.193 | 0.014 | 0.053 | −a |
| B | 0.078 | ‒ | 0.157 | ‒ | 0.046 |
| C | 0.044 | 0.078 | ‒ | ‒ | − |
| D | 0.082 | ‒ | ‒ | ‒ | − |
| E | 0.102 | 0.035 | ‒ | − | ‒ |