| Specimen ID | 116296 |
| 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 the confluence. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Illinois |
| HUC8 Number | 07120005 |
| HUC10 Name | Waupecan Creek-Illinois River |
| HUC10 Number | 0712000507 |
| HUC12 Name | Heidecke Lake-Illinois River |
| HUC12 Number | 071200050701 |
| Map | |
| Collection Day | 30 |
| Collection Month | 9 |
| 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 | juvenile |
