| Specimen ID | 117140 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | PA |
| County | Allegheny |
| Locality | Monongahela River (R.M. 11.2) at Lock & Dam #2 near Braddock |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Monongahela |
| HUC8 Number | 05020005 |
| HUC10 Name | Lower Monongahela River |
| HUC10 Number | 0502000508 |
| HUC12 Name | Streets Run-Monongahela River |
| HUC12 Number | 050200050808 |
| Map | |
| Collection Day | 9 |
| Collection Month | 3 |
| Collection Year | 1995 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Found after about 4 or 5 hours of searching. |
| Record Type | Personal communication |
| Disposal | "USACOE-Saltsburg, PA" |
| Verifier | Linda Stafford, USACOE biologist, Piitsburgh 412-6 |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
| Year Class | adult |
| Size | 13 - 20 mm |
