Massachusetts Dams
1,291 dams tracked by the National Inventory of Dams
Total Dams
1,291
High Hazard
319
24.7%
Poor / Unsatisfactory
336
Average Age
112 yrs
Hazard Classification
High319 (24.7%)
Significant616 (47.7%)
Low356 (27.6%)
Condition Assessment
Satisfactory441 (34.2%)
Fair464 (35.9%)
Poor / Unsatisfactory336 (26.0%)
Not Rated50 (3.9%)
Federal
15
State
211
Local
585
Private
451
Tallest Dams
- Cobble Mountain Reservoir Dam245 ft
- Quabbin Winsor Dam170 ft
- Littleville Dam164 ft
- Bear Swamp - North Dike 155 ft
- Knightville Dam150 ft
High Hazard Dams
Poor Condition Dams
All Dams in Massachusetts
Showing 251–275 of 288
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Camp Woodcrest Dam Berkshire County | 18 | 1927 | Low | Poor |
| Buttonwood Park Pond Dam Bristol County | 8 | — | Significant | Poor |
| Button Shop Dam No. 2 Hampshire County | 24 | — | Significant | Poor |
| Button Shop Dam No. 1 Hampshire County | 20 | — | Significant | Poor |
| Bush Pond No. 2 Dam Norfolk County | 12 | — | Low | Poor |
| Burrage Pond Upper Reservoir Dam Plymouth County | 7 | — | Low | Poor |
| Burrage Pond Lower Reservoir Dike A Plymouth County | 7 | 1923 | Low | Poor |
| Burnt Mill Pond Dam Worcester County | 9 | 1900 | Low | Poor |
| Burnett Pond Dam Berkshire County | 15 | 1930 | Low | Poor |
| Bulloughs Pond Dam Middlesex County | 15 | — | Significant | Poor |
| Buffumville Pond Dam Worcester County | 17 | — | Significant | Poor |
| Brookhaven Lake Dam Worcester County | 8 | 1965 | Low | Poor |
| Bristol Blake State Reservoir Dam Norfolk County | 15 | 1700 | Significant | Poor |
| Brierly Pond Main Dam Worcester County | 10 | — | Significant | Poor |
| Brierly Pond Dike Worcester County | 8 | — | High | Poor |
| Breckwood Pond Dam Hampden County | 20 | 1934 | Significant | Poor |
| Brass Mill Pond Dam Hampshire County | 20 | — | Low | Poor |
| Brackett Pond Dam No. 1 and No. 2 Essex County | 13 | 1930 | Significant | Poor |
| Bowen'S Pond Dam Franklin County | 10 | — | Low | Poor |
| Bourn Hadley Pond Dam Worcester County | 9 | 1940 | Low | Poor |
| Bogastow Pond Dam Norfolk County | 13 | 1900 | Low | Poor |
| Blackstone River Dam Worcester County | 17 | — | Significant | Poor |
| Bird Pond Dam Norfolk County | 19 | 1800 | High | Poor |
| Bents Pond Dam Worcester County | 14 | 1900 | Significant | Poor |
| Beaver Brook Dam Middlesex County | 21 | — | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.