Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1650225
| CT | Fairfield | Connecticut, Fairfield County, Shelton, at confluence with Naugatuck River mouth, under bridge for Route 8, Housatonic River | 2004 |
01100005
| Housatonic | established |
1650239
| CT | Fairfield | Connecticut, Fairfield County, Shelton, Route 10, Indian Well State park, Housatonic River | 2002 |
01100005
| Housatonic | established |
1467888
| CT | Litchfield | Housatonic River, [near New Milford] | 2018 |
01100005
| Housatonic | unknown |
1650224
| CT | New Haven | Connecticut, New Haven County, Derby, 0.5 km downstream from Cullens Hill Road junction, along Route 34, Housatonic River | 2004 |
01100005
| Housatonic | established |
1650233
| CT | New Haven | Connecticut, New Haven County, Derby,, at confluence with Housatonic River (where Naugatuck empties into Housatonic), Naugatuck River | 2000 |
01100005
| Housatonic | established |
1650220
| CT | New Haven | Connecticut, New London County, Lisbon, on short 1 km of Route 138 that shares Route 12, east side of town, Route 12 bridge, Quinebaug River | 2001 |
01100005
| Housatonic | established |
1703714
| CT | New Haven | Lake Zoar | 2022 |
01100005
| Housatonic | |