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 26–50 of 356
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bixby Reservoir Dam Middlesex County | 9 | 1950 | Low | Satisfactory |
| Blackstone River Saranac Dam At Canal Street Worcester County | 13 | 1910 | Low | Fair |
| Bleachery Dam Middlesex County | 8 | 1900 | Low | Satisfactory |
| Bogastow Pond Dam Norfolk County | 13 | 1900 | Low | Poor |
| Bog Pond Dam Berkshire County | 14 | 1937 | Low | Fair |
| Borderland State Park Dam No. 2 Norfolk County | 14 | 1940 | Low | Unsatisfactory |
| Bound Brook Pond Dam Plymouth County | 7 | 1969 | Low | Fair |
| Bourn Hadley Pond Dam Worcester County | 9 | 1940 | Low | Poor |
| Bowen'S Pond Dam Franklin County | 10 | — | Low | Poor |
| Box Pond Dam Norfolk County | 10 | 1800 | Low | Unsatisfactory |
| Brass Mill Pond Dam Hampshire County | 20 | — | Low | Poor |
| Briggs Reservoir Dam No. 1 Plymouth County | 13 | 1917 | Low | Fair |
| Briggs Reservoir No. 2 Dam Plymouth County | 16 | 1937 | Low | Satisfactory |
| Brookhaven Lake Dam Worcester County | 8 | 1965 | Low | Poor |
| Brooks Pond Dam Worcester County | 16 | 1939 | Low | Fair |
| Brown Pond Dam Worcester County | 16 | 1900 | Low | Fair |
| Bull Brook Reservoir Dam Essex County | 11 | 1988 | Low | Fair |
| Burnett Pond Dam Berkshire County | 15 | 1930 | Low | Poor |
| Burnt Mill Pond Dam Worcester County | 9 | 1900 | Low | Poor |
| Burrage Pond Lower Reservoir Dike A Plymouth County | 7 | 1923 | Low | Poor |
| Burrage Pond Lower Reservoir Dike B Plymouth County | 10 | 1941 | Low | Fair |
| Burrage Pond Upper Reservoir Dam Plymouth County | 7 | — | Low | Poor |
| Bush Pond No. 2 Dam Norfolk County | 12 | — | Low | Poor |
| Camp Kinderland Dam Hampden County | 11 | 1950 | Low | Unsatisfactory |
| Camp Woodcrest Dam Berkshire County | 18 | 1927 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.