Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
34927
| MA | | Concord drainage at one locality | 1992 |
01070005
| Concord River | established |
34926
| MA | | Housatonic River drainage | 1992 |
01100005
| Housatonic | established |
34997
| MA | Berkshire | Housatonic and Green rivers junction south of Great Barrington | 1979 |
01100005
| Housatonic | established |
34999
| MA | Hampden | small tributary to the Connecticut River, Agawam | 1980 |
01080205
| Outlet Connecticut River | failed |
34913
| MA | Hampshire | pond on the Univ. of Mass., Amherst campus | 1985 |
01080201
| Ashuelot River-Connecticut River | established |
34998
| MA | Hampshire | pond on the University of Massachusetts' Amherst campus | 1988 |
01080201
| Ashuelot River-Connecticut River | established |