| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 33890 | IN | Porter | Coffee Creek, 2 miles S Chesterton | 1945 | 04040001 | Little Calumet-Galien | stocked |
| 33889 | IN | LaPorte | Snake Creek, 2 miles E Michigan City | 1945 | 04040001 | Little Calumet-Galien | stocked |
| 33888 | IN | LaPorte | Trail Creek, 6 miles NW LaPorte | 1945 | 04040001 | Little Calumet-Galien | stocked |
| 139767 | IN | Porter | Salt Creek | 2001 | 04040001 | Little Calumet-Galien | unknown |
| 139769 | IN | LaPorte | Trail Creek | 2001 | 04040001 | Little Calumet-Galien | unknown |
| 158219 | IN | Porter | Indiana Dunes National Lakeshore | 1999 | 04040001 | Little Calumet-Galien | established |
Citation for this information:
U.S. Geological Survey, 2025,
Salmo trutta: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/16/2025