| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
270001
| WA | Jefferson | Home Port Marina, Pleasant Harbor, Hood Canal. | 2008 |
17110018
| Hood Canal | established |
|
275256
| WA | Jefferson | Hood Canal at Pleasant Harbor, State Park Moorage | 2010 |
17110018
| Hood Canal | established |
|
164785
| WA | Jefferson | Hood Canal, Pleasant Harbor Marina, Pleasant Harbor [just S of Brinnon]. | 2005 |
17110018
| Hood Canal | established |
|
270000
| WA | Jefferson | Hood Canal, Pleasant Harbor Marina, Pleasant Harbor [just S of Brinnon]. | 2008 |
17110018
| Hood Canal | established |
|
269944
| WA | Jefferson | Pleasant Harbor, WDFW boat ramp, Hood Canal | 2009 |
17110018
| Hood Canal | established |
|
241643
| WA | Whatcom | Drayton Harbor, Blaine Marina, Puget Sound. | 1998 |
17110002
| Strait of Georgia | established |
|
261906
| WA | Whatcom | Drayton Harbor, Blaine Marina, Puget Sound. | 2006 |
17110002
| Strait of Georgia | established |
|
273093
| WA | Whatcom | Puget Sound, Lummi Bay, at Sandy Point docks on internal canal system. | 2010 |
17110002
| Strait of Georgia | established |