| Specimen ID | 284205 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Cerro Gordo |
| Locality | Bluebill Lake [~4 mi. S of town of Clear Lake at I-35&US/SR 18/27] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Winnebago |
| HUC8 Number | 07080203 |
| HUC10 Name | Willow Creek |
| HUC10 Number | 0708020302 |
| HUC12 Name | Crane Creek |
| HUC12 Number | 070802030202 |
| Map | |
| Collection Day | 11 |
| Collection Month | 7 |
| Collection Year | 2012 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Water sample had 0.46/L veligers. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 40 |
| Year Class | juvenile |
| Size | <1/8 in. |