| Specimen ID | 164512 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Jefferson |
| Locality | Rock Lake [in Lake Mills, WI] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Rock |
| HUC8 Number | 07090001 |
| HUC10 Name | Crawfish River |
| HUC10 Number | 0709000110 |
| HUC12 Name | Rock Creek |
| HUC12 Number | 070900011003 |
| Map | |
| Collection Day | 11 |
| Collection Month | 7 |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Three age classes were found. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
