Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
255628
| OR | Clatsop | Bear Creek | 2007 |
17080006
| Lower Columbia | established |
255629
| OR | Clatsop | Big Creek | 2007 |
17080006
| Lower Columbia | established |
255630
| OR | Clatsop | Fertile Valley Creek | 2007 |
17080006
| Lower Columbia | established |
255631
| OR | Clatsop | Gnat Creek | 2007 |
17080006
| Lower Columbia | established |
255626
| OR | Clatsop | Klaskanine River, North Fork | 2007 |
17080006
| Lower Columbia | established |
255625
| OR | Clatsop | Klaskanine River, South Fork | 2007 |
17080006
| Lower Columbia | established |
255622
| OR | Clatsop | Lewis and Clark River (lower) | 2007 |
17080006
| Lower Columbia | established |
1655488
| OR | Clatsop | Port of Astoria Marina | 2021 |
17080006
| Lower Columbia | established |
255258
| OR | Clatsop | Skipanon River | 2007 |
17080006
| Lower Columbia | established |
255627
| OR | Clatsop | Wallooskee River | 2007 |
17080006
| Lower Columbia | established |
858929
| OR | Clatsop | Warrenton | 2010 |
17080006
| Lower Columbia | established |
255623
| OR | Clatsop | Youngs River (lower) | 2007 |
17080006
| Lower Columbia | established |
255624
| OR | Clatsop | Youngs River (upper) | 2007 |
17080006
| Lower Columbia | established |