| Specimen ID | 259566 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | PA |
| County | Lancaster |
| Locality | Muddy Run Reservoir [a pumped storage facility just N of Drumore] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Susquehanna |
| HUC8 Number | 02050306 |
| HUC10 Name | Susquehanna River |
| HUC10 Number | 0205030617 |
| HUC12 Name | Muddy Run-Susquehanna River |
| HUC12 Number | 020503061708 |
| Map | |
| Collection Day | 26 |
| Collection Month | 11 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | unknown |
| Comments | Found dead along shoreline after reservoir drawdown. |
| Record Type | Personal communication |
| Verifier | Eric Obert, PA Sea Grant, Erie, PA |
| Freshwater/Marine | Freshwater |
| Number Collected | 4 |
