| Specimen ID | 238486 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MN |
| County | Washington |
| Locality | St. Croix River (R.M. 16.7) at railroad causeway remains [across from Hudson. WI] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower St. Croix |
| HUC8 Number | 07030005 |
| HUC10 Name | Lake Saint Croix |
| HUC10 Number | 0703000512 |
| HUC12 Name | Trout Brook-Lake Saint Croix |
| HUC12 Number | 070300051205 |
| Map | |
| Collection Day | 21 |
| Collection Month | 6 |
| Collection Year | 2006 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | 40 minute dive search |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 50 - 100+ |
