| Specimen ID | 1653499 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Sac |
| Locality | Black Hawk Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | North Raccoon |
| HUC8 Number | 07100006 |
| HUC10 Name | Indian Creek |
| HUC10 Number | 0710000604 |
| HUC12 Name | Wall Lake Inlet |
| HUC12 Number | 071000060401 |
| Map | |
| Collection Day | 6 |
| Collection Month | 10 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 34831 |
| Author: | Iowa Department of Natural Resources. |
| Date: | 2020 |
| Title: | Zebra mussels found in Black Hawk Lake. |
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| Comments | Found on several boat lifts removed for the winter. |
| Record Type | Literature |
| Verifier | Iowa Dept. of Natural Resources |
| Freshwater/Marine | Freshwater |
| Number Collected | Numerous |
