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 101–125 of 464
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Doane Pond Dam Worcester County | 23 | 1938 | Significant | Fair |
| Dodgeville Pond Dam Bristol County | 19 | 1809 | Significant | Fair |
| Dorothy Pond Dam Worcester County | 11 | 1825 | Significant | Fair |
| Dunn Brook Pond Dam Worcester County | 6 | — | Significant | Fair |
| Eagle Lake Dam Worcester County | 10 | 1938 | High | Fair |
| East Branch Swift Regulating Dam Worcester County | 32 | — | Low | Fair |
| East Head Pond Dam Plymouth County | 11 | 1900 | Low | Fair |
| Echo Lake Dam Worcester County | 12 | 2013 | Significant | Fair |
| Echo Lake Dam Berkshire County | 10 | — | Low | Fair |
| Eclipse Dam Berkshire County | 52 | 1890 | High | Fair |
| Eddy Pond Dam Worcester County | 29 | 1920 | High | Fair |
| Ellis Pond Dam Worcester County | 7 | 1990 | Significant | Fair |
| Emerson Brook Dam Essex County | 15 | 1951 | Low | Fair |
| Epstein Pond Dam Hampshire County | 18 | 1967 | Low | Fair |
| Erikson Dam Middlesex County | 17 | 1848 | Significant | Fair |
| Factory Hollow Dam Hampshire County | 31 | 1895 | High | Fair |
| Farnham Reservoir Dam Berkshire County | 105 | 1910 | High | Fair |
| Farrar Pond Dam Middlesex County | 9 | 1920 | Low | Fair |
| Felton Lake Dam Berkshire County | 15 | 1937 | Low | Fair |
| Fernwood Reservoir Dam Berkshire County | 13 | — | Significant | Fair |
| Firestone Pond Dam No. 1 Bristol County | 9 | — | Significant | Fair |
| Fiske Pond Dam Franklin County | 10 | — | Low | Fair |
| Fitchburg Reservoir North Dam Middlesex County | 27 | 1916 | Low | Fair |
| Fitchburg Reservoir South Dike Middlesex County | 19 | 1916 | Low | Fair |
| Fitchburg Reservoir Southeast Dam Middlesex County | 20 | 1916 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.