| Specimen ID | 116297 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Grundy |
| Locality | Kankakee River and Des Plaines River (Kankakee River Mile 273.3) at confluence of the two rivers |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Des Plaines River |
| HUC10 Number | 0712000409 |
| HUC12 Name | Des Plaines River |
| HUC12 Number | 071200040905 |
| Map | |
| Collection Day | 28 |
| Collection Month | 10 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 2/sq.m. |
| Year Class | adult |
