| Specimen ID | 293517 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Dickinson |
| Locality | East Okoboji Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Sioux |
| HUC8 Number | 10230003 |
| HUC10 Name | Milford Creek |
| HUC10 Number | 1023000302 |
| HUC12 Name | East Okoboji Lake |
| HUC12 Number | 102300030203 |
| Map | |
| Collection Month | 12 |
| Collection Year | 2012 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | unknown |
| Comments | Attached to docks and boats hoists removed from lake. Numbers increased greatly in 2015. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
| Year Class | juvenile |
