| Site number | Location | Latitude (N) | Longitude (E) | Waterbody type | Probable source of contamination | Number of plant species present | |
| Invasive | Native | ||||||
| 1 | Chowbaga | 22˚31'15.4" | 88˚25'15.0" | Pond | Tannery effluents | 2 | 2 |
| 2 | Sodepur | 22˚43'01.7" | 88˚23'36.8" | Canal | Domestic waste | 2 | 1 |
| 3 | Dunlop | 22˚38'58.3" | 88˚22'36.9" | Pond | Vehicular emission and construction | 1 | 1 |
| 4 | Kamalgachi | 22˚27'00.1" | 88˚23'29.7" | Pond | Servicing and repairing of motor vehicles | 1 | 2 |
| 5 | Old Delhi road | 22˚43'59.7" | 88˚18'51.2" | Canal | Iron industry | 1 | 3 |
| 6 | Bighati | 22˚48'25.7" | 88˚18'53.4" | Pond | Logs products industry | 1 | 1 |
| 7 | Satragachi | 22˚35'18.9" | 88˚15'56.6" | Pond | Domestic waste dumping ground | 2 | 1 |
| 8 | Chingrighata | 22˚33'30.8" | 88˚24'35.1" | Canal | Sewage canal | 2 | 0 |
| 9 | Khalpole | 22˚26'56.1" | 88˚17'21.7" | Canal | Sewage canal | 2 | 0 |
| 10 | Nilganj | 22˚44'53.9" | 88˚25'17.8" | Canal | Brick industry | 1 | 2 |
| 11 | Anandapur | 22˚30'26.8" | 88˚24'16.3" | Canal | Slum waste | 1 | 2 |