| Specimen ID | 116720 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | LA |
| County | Jefferson |
| Locality | Mississippi River (R.M. 105) near New Orleans at E. Jefferson water intake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Mississippi-New Orleans |
| HUC8 Number | 08090100 |
| HUC10 Name | Mississippi River LaPlace to Pilottown |
| HUC10 Number | 0809010001 |
| HUC12 Name | Mississippi River-Bonnet Carre Spillway |
| HUC12 Number | 080901000101 |
| Map | |
| Collection Day | 11 |
| Collection Month | 5 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Gate to which zebra mussels were attached had only been in the water column for one year. |
| Record Type | Personal communication |
| Disposal | preserved in everclear |
| Museum Cat Number | USFWS - Amherst, NY |
| Verifier | Edmond Russo, U.S. Army Corps of Engineers |
| Freshwater/Marine | Freshwater |
| Number Collected | 7 |
| Year Class | adu/juv |
| Size | 7 - 10 mm |