| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 158207 | IN | Porter | Indiana Dunes National Lakeshore | 1999 | 04040001 | Little Calumet-Galien | established |
| 160013 | IN | Lake | East Chicago Sanitary Ditch | 2001 | 04040001 | Little Calumet-Galien | unknown |
| 160014 | IN | Porter | Burns Harbor Ditch | 2001 | 04040001 | Little Calumet-Galien | unknown |
| 1667052 | IN | Porter | Little Calumet River, upstream of Highway 249 | 2004 | 04040001 | Little Calumet-Galien | unknown |
| 1898672 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1897790 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2018 | 04040001 | Little Calumet-Galien | |
| 1898667 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898495 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2015 | 04040001 | Little Calumet-Galien | |
| 1898549 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898914 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898605 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898610 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898626 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898712 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898717 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898751 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1902534 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2018 | 04040001 | Little Calumet-Galien | |
| 1898796 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898802 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2015 | 04040001 | Little Calumet-Galien | |
| 1898821 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898832 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898881 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2015 | 04040001 | Little Calumet-Galien | |
| 1898900 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898904 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898917 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1898928 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2016 | 04040001 | Little Calumet-Galien | |
| 1898935 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2016 | 04040001 | Little Calumet-Galien | |
| 1898939 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2016 | 04040001 | Little Calumet-Galien | |
| 1898988 | IN | Lake | Lake Michigan, at Calumet, IL/IN | 2017 | 04040001 | Little Calumet-Galien | |
| 1899808 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2016 | 04040001 | Little Calumet-Galien | |
| 1899820 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2014 | 04040001 | Little Calumet-Galien | |
| 1901116 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2019 | 04040001 | Little Calumet-Galien | |
| 1901125 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2019 | 04040001 | Little Calumet-Galien | |
| 1901134 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2019 | 04040001 | Little Calumet-Galien | |
| 1910113 | IN | Lake | Lake Michigan, at Calumet, IL/IN | 2021 | 04040001 | Little Calumet-Galien | |
| 1913169 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2022 | 04040001 | Little Calumet-Galien | |
| 1913170 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2022 | 04040001 | Little Calumet-Galien | |
| 1913171 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2022 | 04040001 | Little Calumet-Galien | |
| 1917069 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2023 | 04040001 | Little Calumet-Galien | |
| 1917071 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2023 | 04040001 | Little Calumet-Galien | |
| 1917074 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2023 | 04040001 | Little Calumet-Galien | |
| 1917082 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2023 | 04040001 | Little Calumet-Galien | |
| 1921630 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2024 | 04040001 | Little Calumet-Galien | |
| 1922564 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2025 | 04040001 | Little Calumet-Galien | |
| 1922891 | IN | Lake | Lake Michigan, at Burns Harbor, IN | 2025 | 04040001 | Little Calumet-Galien | |
| 1923051 | IN | Porter | Lake Michigan, at Burns Harbor, IN | 2025 | 04040001 | Little Calumet-Galien | |