| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 46181 | WI | | Lake Michigan | 1985 | 04190000 | Lake Michigan | established |
| 614025 | WI | Manitowoc | [No locality string in original GBIF record] | 1958 | 04190000 | Lake Michigan | established |
| 793682 | WI | Sheboygan | Lake Michigan at RM 0 | 1966 | 04190000 | Lake Michigan | established |
| 793683 | WI | Brown | Green Bay at RM 0 | 1968 | 04190000 | Lake Michigan | established |
| 793684 | WI | Door | Green Bay at RM 0 | 1968 | 04190000 | Lake Michigan | established |
| 793686 | WI | Oconto | Green Bay at RM 0 | 1968 | 04190000 | Lake Michigan | established |
| 793687 | WI | Sheboygan | Lake Michigan at RM 0 | 1968 | 04190000 | Lake Michigan | established |
| 1563690 | WI | Manitowoc | [No locality description provided] | 2014 | 04190000 | Lake Michigan | established |
| 1557693 | WI | Manitowoc | [No locality description provided] | 2013 | 04190000 | Lake Michigan | established |
| 1702114 | WI | Ozaukee | Lake Michigan | 2000 | 04190000 | Lake Michigan | established |
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