| Specimen ID | 1740343 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Polk |
| Locality | Saylorville Reservoir near Marina at Sandpiper Recreation Area |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Des Moines |
| HUC8 Number | 07100004 |
| HUC10 Name | Saylor Creek-Des Moines River |
| HUC10 Number | 0710000410 |
| HUC12 Name | Murphy Branch-Des Moines River |
| HUC12 Number | 071000041001 |
| Map | |
| Collection Day | 28 |
| Collection Month | 10 |
| Collection Year | 2024 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | unknown |
| Comments | Veliger samples and settlement samplers in Saylorville lake over the summer did not show any zebra mussel presence. But, the mussels found attached to the boats in the marina appeared to be several months old. |
| Record Type | NAS sighting report |
| Verifier | Joel Born, Iowa Department of Natural Resources |
| Number Collected | >10 |
| Year Class | adult |
| Photo | |
