Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1737875
| WA | King | [No locality description provided] | 2017 |
17110012
| Lake Washington | |
1737937
| WA | King | [No locality description provided] | 2021 |
17110012
| Lake Washington | |
1738056
| WA | King | [No locality description provided] | 2022 |
17110012
| Lake Washington | |
749388
| WA | King | East Montlake Park | 2014 |
17110012
| Lake Washington | established |
238989
| WA | King | Fremont cut (near the Fremont Bridge) | 1999 |
17110012
| Lake Washington | established |
45899
| WA | King | Lake Washington | 1996 |
17110012
| Lake Washington | established |
164511
| WA | King | Lake Washington Ship Canal | 1999 |
17110012
| Lake Washington | established |
154429
| WA | King | Sammamish River, upstream from the new 90th St. bridge | 2001 |
17110012
| Lake Washington | unknown |
238987
| WA | King | South Portage Bay | 1999 |
17110012
| Lake Washington | established |
238988
| WA | King | South Portage Bay | 1999 |
17110012
| Lake Washington | established |
238990
| WA | King | Thornton Creek | 1998 |
17110012
| Lake Washington | established |