| Specimen ID | 117124 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | PA |
| County | Allegheny |
| Locality | Ohio River (R.M. 6.2) at Emsworth Lock and Dam in Emsworth (just a few miles west of Pittsburgh, PA) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Ohio |
| HUC8 Number | 05030101 |
| HUC10 Name | Montour Run-Ohio River |
| HUC10 Number | 0503010103 |
| HUC12 Name | Kilbuck Run-Ohio River |
| HUC12 Number | 050301010303 |
| Map | |
| Collection Day | 7 |
| Collection Month | 11 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Verifier | Linda Stafford, biologist, USACOE, Pittsburgh, PA |
| Freshwater/Marine | Freshwater |
| Number Collected | 13 |
| Year Class | adult |
| Size | 8 - 17 mm |
