Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
31022
| CT | Fairfield-New Haven | Housatonic River | 1996 |
01100005
| Housatonic | established |
874793
| CT | Litchfield | Fall Mountain Lake at sampling station F6GA | 1994 |
01100005
| Housatonic | established |
874794
| CT | Litchfield | Fall Mountain Lake at sampling station F6GB | 1994 |
01100005
| Housatonic | established |
1671462
| CT | New Haven | [No locality description provided] | 2018 |
01100005
| Housatonic | |
240159
| WA | San Juan | Hummel Lake, Lopez Island | 2005 |
17110003
| San Juan Islands | established |
45736
| WA | Skagit | Clear Lake | 1892 |
17110007
| Lower Skagit | collected |
46009
| WA | Skagit | Clear Lake | 1892 |
17110007
| Lower Skagit | established |
238835
| WA | Whatcom | Lake Fazon | 2003 |
17110004
| Nooksack | established |
239808
| WA | Whatcom | Lake Terrell | 2005 |
17110002
| Strait of Georgia | established |
240233
| WA | Whatcom | Mosquito Lake | 2005 |
17110004
| Nooksack | established |