| Specimen ID | 242822 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | San Diego |
| Locality | El Capitan Reservoir in Lakeside [San Diego area] |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Diego |
| HUC8 Number | 18070304 |
| HUC10 Name | Upper San Diego River |
| HUC10 Number | 1807030405 |
| HUC12 Name | El Capitan Reservoir-San Diego River |
| HUC12 Number | 180703040505 |
| Map | |
| Collection Day | 31 |
| Collection Month | 1 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Veligers only sampled near the inlet/outlet tower located in the eastern part of the reservoir. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Year Class | veliger |
