Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
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 |
1703693
| MA | Middlesex | Ashland, MA 01721, USA | 2022 |
01070005
| Concord River | established |
155300
| MA | Middlesex | Bowker Pond, Sudbury | 1999 |
01070005
| Concord River | unknown |
1655093
| MA | Middlesex | Hopkinton State Park, Hopkinton Reservoir, [Middlesex, Massachusetts] | 2020 |
01070005
| Concord River | established |
1657532
| MA | Middlesex | Walden Pond | 2010 |
01070005
| Concord River | established |
1657388
| MA | Middlesex | Walden Pond | 2020 |
01070005
| Concord River | established |
1695335
| MA | Middlesex | Walden Pond | 2021 |
01070005
| Concord River | established |
1651382
| MA | Worcester | George Nichols Reservoir | 2020 |
01070005
| Concord River | established |
236228
| MA | Worcester | Sudbury Reservoir, near Southboro, Rt. 135 | 2005 |
01070005
| Concord River | unknown |