Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
52144
| WA | Grays Harbor | Aberdeen Lake, just east of Aberdeen. | 1975 |
17100104
| Lower Chehalis | established |
644250
| WA | Grays Harbor | Chehalis River at Keys Road Bridge, at and upstream of Fuller Bridge Public Boat Ramp at 20.44 RM | 2013 |
17100104
| Lower Chehalis | unknown |
644234
| WA | Grays Harbor | Chehalis River at RM 10.32 south shore adjacent to parking area at terminous of Peels Slough Road | 2013 |
17100104
| Lower Chehalis | unknown |
644233
| WA | Grays Harbor | Chehalis River side channel at RM 9.37, opposite the mouth of Peels Slough | 2013 |
17100104
| Lower Chehalis | unknown |
644238
| WA | Grays Harbor | Chehalis River, at Blue Slough south shore 3.08 miles from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
1543926
| WA | Grays Harbor | Chehalis River, at Montesano HWY 107 Bridge WDFW Ramp | 2018 |
17100104
| Lower Chehalis | established |
1543901
| WA | Grays Harbor | Chehalis River, at Montesano HWY 107 Bridge WDFW Ramp | 2018 |
17100104
| Lower Chehalis | established |
644244
| WA | Grays Harbor | Chehalis River, Blue Slough 1.84 mi. from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644246
| WA | Grays Harbor | Chehalis River, Blue Slough off north shore, 1.60 miles from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644242
| WA | Grays Harbor | Chehalis River, Blue Sough 2.1 mi. from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644232
| WA | Grays Harbor | Chehalis River, east mouth of Preachers Slough | 2013 |
17100104
| Lower Chehalis | unknown |
644235
| WA | Grays Harbor | Chehalis River, Peels Slough at Katon Road Bridge | 2013 |
17100104
| Lower Chehalis | unknown |
644241
| WA | Grays Harbor | Chehalis River, Preachers Slough 1.26 mi. from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644240
| WA | Grays Harbor | Chehalis River, Preachers Slough, 2.81 mi. from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644239
| WA | Grays Harbor | Chehalis River, Preachers Slough, 5.0 mi. from west mouth | 2013 |
17100104
| Lower Chehalis | unknown |
644252
| WA | Grays Harbor | Wynoochee River at RM 1.8, 0.23 miles above Devonshire Road Bridge at a fishing access | 2013 |
17100104
| Lower Chehalis | unknown |