| Specimen ID | 116253 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IN |
| County | Lake |
| Locality | Lake Michigan, Hammond Water Plant, Hammond, Indiana |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| HUC10 Name | Calumet Sag Channel-Little Calumet River |
| HUC10 Number | 0404000106 |
| HUC12 Name | Grand Calumet River-Little Calumet River |
| HUC12 Number | 040400010604 |
| Map | |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
