| Specimen ID | 1651256 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | TX |
| County | Williamson |
| Locality | San Gabriel River in the San Gabriel Park, Georgetown |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Gabriel |
| HUC8 Number | 12070205 |
| HUC10 Name | Granger Lake-San Gabriel River |
| HUC10 Number | 1207020505 |
| HUC12 Name | Smith Branch-San Gabriel River |
| HUC12 Number | 120702050501 |
| Map | |
| Collection Day | 8 |
| Collection Month | 6 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker on small watercraft |
| Status | unknown |
| Record Type | NAS sighting report |
| Verifier | USGS NAS Program Staff |
| Freshwater/Marine | Freshwater |
| Number Collected | 5 |
| Photo | |
