Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1652431
| MA | Barnstable | Mares Pond, Falmouth, MA | 2020 |
01090002
| Cape Cod | established |
1655086
| MA | Berkshire | Center Pond, Becket, MA | 2020 |
01080206
| Westfield River | established |
1655094
| MA | Middlesex | [Walden Pond State Reservation] By the sandbar at Bare Peak, 50-150 ft towards the center of the lake, approx 3-15ft deep | 2020 |
01070005
| Concord River | established |
1655093
| MA | Middlesex | Hopkinton State Park, Hopkinton Reservoir, [Middlesex, Massachusetts] | 2020 |
01070005
| Concord River | established |
1655092
| MA | Middlesex | Southern shore [of Dunstable Rural Land Trust Nature Preserve] | 2020 |
01070006
| Merrimack River | established |
1657388
| MA | Middlesex | Walden Pond | 2020 |
01070005
| Concord River | established |
1651382
| MA | Worcester | George Nichols Reservoir | 2020 |
01070005
| Concord River | established |