| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 156283 | NY | Jefferson | Lake Ontario at Cape Vincent, NY | 1992 | 04290001 | Headwaters St. Lawrence River | established |
| 155921 | NY | Jefferson | Lake Ontario at Cape Vincent, NY | 1991 | 04290001 | Headwaters St. Lawrence River | established |
| 156129 | NY | Jefferson | St. Lawrence River near Cape Vincent | 1994 | 04290001 | Headwaters St. Lawrence River | established |
| 862905 | NY | Jefferson | [No locality provided] | 2009 | 04290001 | Headwaters St. Lawrence River | established |
| 863063 | NY | Jefferson | [No locality provided] | 1997 | 04290001 | Headwaters St. Lawrence River | established |
| 1771640 | NY | Jefferson | Saint Lawrence River | 2009 | 04290001 | Headwaters St. Lawrence River | |
| 1771721 | NY | Jefferson | Saint Lawrence River | 1997 | 04290001 | Headwaters St. Lawrence River | |
| 1777141 | NY | Jefferson | Saint Lawrence River | 2023 | 04290001 | Headwaters St. Lawrence River | |
| 1777142 | NY | Jefferson | Saint Lawrence River | 2023 | 04290001 | Headwaters St. Lawrence River | |
| 1777143 | NY | Jefferson | Saint Lawrence River | 2023 | 04290001 | Headwaters St. Lawrence River | |
| 1777144 | NY | Jefferson | Saint Lawrence River | 2023 | 04290001 | Headwaters St. Lawrence River | |
Citation for this information:
U.S. Geological Survey, 2025,
Dreissena polymorpha: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/19/2025