| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
162270
| CA | | San Francisco Bay drainage | 2000 |
18050004
| San Francisco Bay | established |
|
50735
| CA | Alameda | Livermore Canal, Alameda County [Altamont Pipeline to Patterson Reservoir] | 1965 |
18050004
| San Francisco Bay | established |
|
887111
| CA | Alameda | San Francisco Bay, mudflats 1/4 mile E of Dumbarton Bridge, -1.4 tide | 1978 |
18050004
| San Francisco Bay | established |
|
50809
| CA | Alameda | South Bay Aqueduct, near the end of the aqueduct | 1962 |
18050004
| San Francisco Bay | established |
|
1398243
| CA | San Mateo | Upper Crystal Springs Reservoir, SFPUC Station 12 | 2000 |
18050004
| San Francisco Bay | established |