| Specimen ID | 118208 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Woodbury |
| Locality | Missouri River (R.M. 716.8) about 15 mi S of Sioux City, IA at MidAmerican Energy intake. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Blackbird-Soldier |
| HUC8 Number | 10230001 |
| HUC10 Name | Pigeon Creek-Missouri River |
| HUC10 Number | 1023000103 |
| HUC12 Name | Bacon Creek-Missouri River |
| HUC12 Number | 102300010305 |
| Map | |
| Collection Day | 12 |
| Collection Month | 4 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Barges pass within 30 feet of this intake. |
| Record Type | Personal communication |
| Disposal | preserved |
| Museum Cat Number | MidAmerican Energy, Sioux City, IA |
| Verifier | U.S. Geological Survey, Gainesville, FL |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Year Class | adult |
| Size | 24 mm |
| Photo | |
