| Specimen ID | 1658407 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | Los Angeles |
| Locality | Castaic Lake, east side of the west arm, just north of C Point |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Clara |
| HUC8 Number | 18070102 |
| HUC10 Name | Castaic Creek |
| HUC10 Number | 1807010203 |
| HUC12 Name | Middle Castaic Creek |
| HUC12 Number | 180701020305 |
| Map | |
| Collection Day | 24 |
| Collection Month | 8 |
| Collection Year | 2021 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 36854 |
| Author: | California Department of Water Resources |
| Date: | 2021 |
| Title: | Quagga Mussel Discovery at Castaic Lake: Boating Requirements Implemented |
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| Comments | Found approximately 10 meters above the water line. |
| Record Type | NAS sighting report |
| Verifier | California Department of Fish and Wildlife |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Photo | |
