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 901–925 of 1,291
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Frogfoot Reservoir Dam Plymouth County | 8 | 1940 | Low | Not Rated |
| French Pond Dam Bristol County | 12 | 1760 | Significant | Poor |
| Freeman Lake Dam Middlesex County | 29 | 1976 | Significant | Satisfactory |
| Freeman Bog Dam Plymouth County | 12 | 1900 | Low | Poor |
| Francis P. Ryan Dam Franklin County | 80 | 1970 | High | Fair |
| France Street Dam Plymouth County | 9 | 1920 | Low | 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 |
| Four Mile Pond Dam Essex County | 10 | 1900 | Low | Fair |
| Fountain Pond Dam Essex County | 13 | 1902 | High | Fair |
| Foundry Pond Dam Plymouth County | 25 | 1848 | Significant | Fair |
| Foundry Lake Dam Norfolk County | 9 | 1950 | Low | Fair |
| Fosters Pond Dam Essex County | 10 | — | Significant | Satisfactory |
| Fort Meadow Reservoir Dam Middlesex County | 26 | 1848 | High | Poor |
| Forge Pond Dike Hampshire County | 11 | 1978 | Significant | Poor |
| Forge Pond Dam Hampshire County | 14 | — | Significant | Poor |
| Forge Pond Dam Plymouth County | 12 | 1726 | Significant | Satisfactory |
| Forge Pond Dam Norfolk County | 13 | 1949 | Significant | Satisfactory |
| Forge Pond Plymouth County | 15 | 1915 | Low | Fair |
| Forest Lake Dam Essex County | 7 | — | Low | Fair |
| Ford Pond Dam Franklin County | 12 | 1900 | Low | Satisfactory |
| Fletcher Pond Dam Middlesex County | 24 | 1950 | Significant | Fair |
| Fitzgerald Lake Dam Hampshire County | 22 | 1965 | Low | Satisfactory |
| 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.