Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
268712
| CT | | Housatonic River drainage | 1986 |
01100005
| Housatonic | established |
1674739
| CT | Litchfield | [No locality description provided] | 2020 |
01100005
| Housatonic | |
785624
| CT | Litchfield | Flat Brook at Lower Barrack Road | 2007 |
01100005
| Housatonic | established |
785574
| CT | Litchfield | Flat Brook at Lower Barrack Road | 2007 |
01100005
| Housatonic | established |
39554
| NY | | Housatonic drainage | 1985 |
01100005
| Housatonic | established |
39557
| NY | | Iron Mine Pond, Housatonic drainage | 1985 |
01100005
| Housatonic | established |
39558
| NY | Dutchess | Webatuck River [Creek] | 1985 |
01100005
| Housatonic | established |