Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
256695
| WA | Clallam | Sooes River, Mukkaw Bay, Olympic Peninsula | 2007 |
17100101
| Hoh-Quillayute | established |
256694
| WA | Clallam | Waatch Creek mouth, Mukkaw Bay, Olympic Peninsula | 2007 |
17100101
| Hoh-Quillayute | established |
228804
| WA | Grays Harbor | Copalis River Estuary | 1995 |
17100102
| Queets-Quinault | established |
256696
| WA | Grays Harbor | Copalis River Estuary | 2007 |
17100102
| Queets-Quinault | established |
228800
| WA | Grays Harbor | Grays Harbor | 1995 |
17100105
| Grays Harbor | established |
256697
| WA | Grays Harbor | Grays Harbor | 2007 |
17100105
| Grays Harbor | established |
228746
| WA | Pacific | Pacific County | 1996 |
17100106
| Willapa Bay | established |
229278
| WA | Pacific | Willapa Bay | 1911 |
17100106
| Willapa Bay | established |
257037
| WA | Pacific | Willapa Bay | 2008 |
17100106
| Willapa Bay | established |
260866
| WA | Pacific | Willapa Bay, Goose Point | 2000 |
17100106
| Willapa Bay | established |
234497
| WA | Pacific | Willapa Bay, high intertidal | 1973 |
17100106
| Willapa Bay | established |
228803
| WA | Pacific | Willapa Bay, Long Island, located on the west side of the Island at Jensen Spit. | 1995 |
17100106
| Willapa Bay | established |
260865
| WA | Pacific | Willapa Bay, Naselle River Bridge | 2000 |
17100106
| Willapa Bay | established |
260867
| WA | Pacific | Willapa Bay, Palix River Bridge | 2000 |
17100106
| Willapa Bay | established |
260869
| WA | Pacific | Willapa Bay, Shoalwater Bay | 2000 |
17100106
| Willapa Bay | established |
260868
| WA | Pacific | Willapa Bay, Stackpole Slough | 2000 |
17100106
| Willapa Bay | established |