| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
31007
| CT | | Connecticut drainage | 1996 |
01080205
| Outlet Connecticut River | established |
|
268706
| CT | | Connecticut River drainage | 1986 |
01080205
| Outlet Connecticut River | established |
|
1677603
| CT | Hartford | [No locality description provided] | 2016 |
01080205
| Outlet Connecticut River | |
|
1737363
| CT | Hartford | [No locality description provided] | 2018 |
01080205
| Outlet Connecticut River | |
|
1742757
| CT | Litchfield | [No locality description provided] | 2019 |
01080207
| Farmington River | |
|
1742758
| CT | Litchfield | [No locality description provided] | 2019 |
01080207
| Farmington River | |
|
1745213
| CT | Litchfield | [No locality description provided] | 2020 |
01080207
| Farmington River | |
|
1891313
| CT | Litchfield | [No locality description provided] | 2025 |
01080207
| Farmington River | |
|
1744615
| MA | Berkshire | [No locality description provided] | 2020 |
01080206
| Westfield River | |
|
1875521
| MA | Franklin | [No locality description provided] | 2024 |
01080203
| Deerfield River | |
|
547741
| MA | Franklin | Deerfield; Deerfield River at old oxbow. | 1982 |
01080203
| Deerfield River | established |
|
547740
| MA | Franklin | Deerfield; Deerfield River at Stillwater Brook. | 1982 |
01080203
| Deerfield River | established |
|
163957
| MA | Franklin | Silvio O. Conte National Fish and Wildlife Refuge | 2005 |
01080201
| Ashuelot River-Connecticut River | established |
|
1678056
| MA | Hampden | [No locality description provided] | 2018 |
01080207
| Farmington River | |
|
1678668
| MA | Hampden | [No locality description provided] | 2019 |
01080206
| Westfield River | |
|
1673785
| MA | Hampden | [No locality description provided] | 2019 |
01080201
| Ashuelot River-Connecticut River | |
|
547743
| MA | Hampden | Agawam; Three Mile Brook 0.25 mile above mouth at Connecticut River. | 1981 |
01080205
| Outlet Connecticut River | established |
|
547779
| MA | Hampden | Connecticut River | 2008 |
01080201
| Ashuelot River-Connecticut River | established |
|
1741550
| MA | Hampshire | [No locality description provided] | 2018 |
01080201
| Ashuelot River-Connecticut River | |
|
1741628
| MA | Hampshire | [No locality description provided] | 2018 |
01080201
| Ashuelot River-Connecticut River | |
|
1895140
| MA | Hampshire | [No locality description provided] | 2025 |
01080201
| Ashuelot River-Connecticut River | |
|
1744232
| NH | Cheshire | [No locality description provided] | 2011 |
01080201
| Ashuelot River-Connecticut River | |
|
1876078
| NH | Cheshire | [No locality description provided] | 2024 |
01080201
| Ashuelot River-Connecticut River | |
|
37837
| NH | Cheshire | Granite Lake, Stoddard | 1973 |
01080201
| Ashuelot River-Connecticut River | established |
|
1744565
| VT | Windham | [No locality description provided] | 2020 |
01080203
| Deerfield River | |