| Specimen ID | 117119 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Racine |
| Locality | Racine Quarry, a few miles from Lake Michigan and just N of Racine |
| Mapping Accuracy | Accurate |
| HUC8 Name | Pike-Root |
| HUC8 Number | 04040002 |
| HUC10 Name | Root River |
| HUC10 Number | 0404000203 |
| HUC12 Name | City of Racine-Root River |
| HUC12 Number | 040400020306 |
| Map | |
| Collection Day | 27 |
| Collection Month | 8 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Comments | A 20-acre quarry near the Root River. Veligers also found there later by Sea Grant personnel. |
| Record Type | Personal communication |
| Verifier | Steve Gallarneau, WI DNR biologist |
| Freshwater/Marine | Freshwater |
| Year Class | adult |
