| Specimen ID | 253724 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | La Salle |
| Locality | a sand pit adjacent to Buck Creek in Wedron |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Fox |
| HUC8 Number | 07120007 |
| HUC10 Name | Roods Creek-Fox River |
| HUC10 Number | 0712000706 |
| HUC12 Name | Outlet Buck Creek |
| HUC12 Number | 071200070608 |
| Map | |
| Collection Month | 5 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Were first observed encrusting a native mussel. They have since been discovered in our production water system and strainer baskets. Divers are coming in this week to confirm and assess the current situation. Coordinates are approximate. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
