| Specimen ID | 116403 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IN |
| County | LaPorte |
| Locality | Lake Michigan, Dept. of Water Works, Michigan City, IN |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| HUC10 Name | Trail Creek-Frontal Lake Michigan |
| HUC10 Number | 0404000101 |
| HUC12 Name | White Ditch-Frontal Lake Michigan |
| HUC12 Number | 040400010102 |
| Map | |
| Collection Day | 19 |
| Collection Month | 5 |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Size | 12.7 mm |
