| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 116404 | IN | Lake | Lake Michigan at Hammond shoreline, 0.5 and 1.0 mile out. | 1991 | 04190000 | Lake Michigan | established |
| 116412 | IN | Lake | Lake Michigan near Hammond, IN | 1991 | 04190000 | Lake Michigan | established |
| 116406 | IN | Lake | Lake Michigan, Amoco Oil Company at Whiting, IN | 1989 | 04190000 | Lake Michigan | established |
| 116185 | IN | Lake | Lake Michigan, East Chicago, at Inland Steel | 1990 | 04190000 | Lake Michigan | established |
| 116186 | IN | Lake | Lake Michigan, East Chicago, LTV Steel | 1990 | 04190000 | Lake Michigan | established |
| 116187 | IN | Lake | Lake Michigan, East Chicago, Water Works | 1990 | 04190000 | Lake Michigan | established |
| 116107 | IN | Lake | Lake Michigan, Gary, Indiana (west part of shore) | 1990 | 04190000 | Lake Michigan | established |
| 116181 | IN | Lake | Lake Michigan, Gary, Union Carbide | 1990 | 04190000 | Lake Michigan | established |
| 116188 | IN | Lake | Lake Michigan, Hammond, Lever Brothers | 1991 | 04190000 | Lake Michigan | established |
| 116405 | IN | Lake | Lake Michigan, Northern Indiana Public Service County, Gary | 1990 | 04190000 | Lake Michigan | established |
| 116190 | IN | Lake | Lake Michigan, Offshore Hammond, Sunken Material Services ore barge | 1991 | 04190000 | Lake Michigan | established |
| 116177 | IN | Porter | Lake Michigan, Port of Indiana, Bethlehem Steel | 1990 | 04190000 | Lake Michigan | established |
| 116179 | IN | Porter | Lake Michigan, Port of Indiana, Midwest Steel | 1990 | 04190000 | Lake Michigan | established |
| 116176 | IN | Porter | Lake Michigan, Port of Indiana, NIPSCO Plant | 1990 | 04190000 | Lake Michigan | established |
| 116178 | IN | Porter | Lake Michigan, Port of Indiana, Water Works | 1991 | 04190000 | Lake Michigan | established |
| 116409 | IN | Lake | Lake Michigan, S.W. Bay, 1.5 miles from shore and about 200 yds. off Inland Steel County, East Chicago, IN | 1990 | 04190000 | Lake Michigan | established |
| 116254 | IN | Lake | Lake Michigan, Whiting Water Plant, Whiting, Indiana | 1990 | 04190000 | Lake Michigan | established |
| 116189 | IN | Lake | Lake Michigan, Whiting, Amoco | 1991 | 04190000 | Lake Michigan | established |
| 116414 | IN | Lake | Lake Michigan near Hammond, IN | 1991 | 04190000 | Lake Michigan | established |
| 242588 | IN | LaPorte | Lake Michigan, near Michigan City (Site V-1) | 1997 | 04190000 | Lake Michigan | extirpated |
| 237198 | IN | Porter | Lake Michigan off Beverly Shores (Station V-1) | 2003 | 04190000 | Lake Michigan | extirpated |
| 1319986 | IN | Porter | Lake Michigan, [5 mi NW] Chesterton | 2001 | 04190000 | Lake Michigan | established |
| 1555695 | IN | Porter | [No locality description provided] | 2013 | 04190000 | Lake Michigan | established |
| 1560808 | IN | Porter | [No locality description provided] | 2014 | 04190000 | Lake Michigan | established |
| 1555700 | IN | LaPorte | [No locality description provided] | 2013 | 04190000 | Lake Michigan | established |
| 1560812 | IN | LaPorte | [No locality description provided] | 2014 | 04190000 | Lake Michigan | established |
| 1756099 | IN | Porter | Lake Michigan, [5 mi NW] Chesterton, North America | 2001 | 04190000 | Lake Michigan | |