Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
157609
| MD | | Potomac River near District of Columbia | 1999 |
02070010
| Middle Potomac-Anacostia-Occoquan | extirpated |
156079
| VT | | Richelieu drainage [Lake Champlain] | 1999 |
02010000
| Richelieu | established |
165317
| WA | Adams | Sprague Lake, near Spokane | 1999 |
17060108
| Palouse | established |
157790
| WA | Douglas | Rufus Woods Reservoir in the upper Columbia River | 1999 |
17020005
| Chief Joseph | established |