| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
161240
| WA | | Puget Sound | 1998 |
17110019
| Puget Sound | established |
|
241675
| WA | King | Des Moines Marina, City of Des Moines, Puget Sound. | 1998 |
17110019
| Puget Sound | established |
|
241674
| WA | King | Elliott Bay, Elliott Bay Marina, Seattle, north end of Elliott Bay, Seattle | 1998 |
17110019
| Puget Sound | established |
|
241672
| WA | Kitsap | Sinclair Inlet near the Bremerton Naval Shipyard, Kitsap Marina, Port Orchard | 1998 |
17110019
| Puget Sound | established |
|
241673
| WA | Mason | Oakland Bay, Port of Shelton Marina, Shelton, at the end of Hammersley Inlet. | 1998 |
17110019
| Puget Sound | established |
|
241152
| WA | Thurston | Totten Inlet, Gallagher Cove, Taylor Shellfish Rafts. | 2000 |
17110019
| Puget Sound | established |
|
241155
| WA | Thurston | Totten Inlet, Steamboat Island, Eld Inlet junction | 2000 |
17110019
| Puget Sound | established |