| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 33593 | IL | | Lake Michigan | 1979 | 04190000 | Lake Michigan | established |
| 33575 | IL | | Lake Michigan | 1985 | 04190000 | Lake Michigan | established |
| 33594 | IL | | Lake Michigan | 1955 | 04190000 | Lake Michigan | established |
| 33590 | IL | | Lake Michigan, lower | 1936 | 04190000 | Lake Michigan | established |
| 1692554 | IL | Cook | 30 mi ENE Chicago River | 1962 | 04190000 | Lake Michigan | unknown |
| 1693217 | IL | Cook | Winnetka, Lloyd Park Beach | 1998 | 04190000 | Lake Michigan | unknown |
| 1692908 | IL | Lake | 4 mi NE Waukegan | 1979 | 04190000 | Lake Michigan | unknown |
| 1692922 | IL | Lake | 4 mi NE Waukegan | 1981 | 04190000 | Lake Michigan | unknown |
| 1693158 | IL | Lake | Highland Park Reef, 3 mi E Highland Park | 1997 | 04190000 | Lake Michigan | unknown |
Citation for this information:
U.S. Geological Survey, 2025,
Petromyzon marinus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/15/2025