| Specimen ID | 544804 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Cook |
| Locality | Southwest Water Plant, Chicago [Stickney Water Reclamation Plant] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Chicago Sanitary and Ship Canal-Des Plaines River |
| HUC10 Number | 0712000407 |
| HUC12 Name | Maple Lake-Chicago Sanitary and Ship Canal |
| HUC12 Number | 071200040705 |
| Map | |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
