| Specimen ID | 269710 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | UT |
| County | Washington |
| Locality | Sand Hollow Reservoir [Sand Hollow State Park], about 8 mi SW of Hurricane |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Virgin |
| HUC8 Number | 15010008 |
| HUC10 Name | Gould Wash-Virgin River |
| HUC10 Number | 1501000809 |
| HUC12 Name | Workman Wash |
| HUC12 Number | 150100080907 |
| Map | |
| Collection Day | 21 |
| Collection Month | 5 |
| Collection Year | 2010 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | failed |
| Comments | Only one specimen seen. Found in a crevice between two floatation buoys under the dock. Plankton tows found no veligers. More at http://wildlife.utah.gov/dwr/affected-waters.html |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Year Class | adult |
