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 226–250 of 319
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Francis P. Ryan Dam Franklin County | 80 | 1970 | High | Fair |
| Framingham Reservoir No. 3 Dam Middlesex County | 29 | 1880 | High | Satisfactory |
| Framingham Reservoir No. 2 Dam Middlesex County | 27 | 1878 | High | Poor |
| Framingham Reservoir No. 1 Dam Middlesex County | 22 | 1878 | High | Fair |
| Fountain Pond Dam Essex County | 13 | 1902 | High | Fair |
| Fort Meadow Reservoir Dam Middlesex County | 26 | 1848 | High | Poor |
| Fisherville Pond Dam Worcester County | 19 | 1882 | High | Poor |
| First Herring Brook Reservoir Dam Plymouth County | 22 | 1969 | High | Satisfactory |
| Fife Brook Franklin County | 130 | 1974 | High | Satisfactory |
| Fernwood Lake West Dam Essex County | 11 | 1877 | High | Poor |
| Fernwood Lake North Dam Essex County | 16 | 1877 | High | Poor |
| Fernwood Lake East Dam Essex County | 5 | 1877 | High | Poor |
| Fells Reservoir Dam No. 8 Middlesex County | 48 | 1898 | High | Satisfactory |
| Fells Reservoir Dam No. 3 Middlesex County | 25 | 1898 | High | Satisfactory |
| Farnham Reservoir Dam Berkshire County | 105 | 1910 | High | Fair |
| Falls Pond Dam Bristol County | 20 | 1890 | High | Satisfactory |
| Fall Brook Reservoir Dam and Dike Worcester County | 37 | 1896 | High | Poor |
| Factory Hollow Dam Hampshire County | 31 | 1895 | High | Fair |
| Ellis Pond Dam Norfolk County | 18 | — | High | Satisfactory |
| Ellis Brett Pond Dam Plymouth County | 14 | 1930 | High | Poor |
| Egypt Reservoir Dam Berkshire County | 37 | 1894 | High | Satisfactory |
| Eddy Pond Dam Worcester County | 29 | 1920 | High | Fair |
| Eclipse Dam Berkshire County | 52 | 1890 | High | Fair |
| Echo Lake Dam Middlesex County | 41 | 1881 | High | Satisfactory |
| East Brimfield Dam Worcester County | 53 | 1960 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.