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 356
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Glendale Berkshire County | 30 | 1906 | Low | Satisfactory |
| Gleason Pond Dam Berkshire County | 10 | 1890 | Low | Poor |
| Gilder Pond Dam Berkshire County | 17 | 1960 | Low | Poor |
| Gilboa Pond Dam Worcester County | 14 | — | Low | Satisfactory |
| Gauco Pond Dam Worcester County | 28 | 1975 | Low | Unsatisfactory |
| Gates Pond Dam Worcester County | 21 | 1915 | Low | Fair |
| Garrett Dam Berkshire County | 9 | 1964 | Low | Fair |
| Garnet Lake Dam Berkshire County | 14 | 1964 | Low | Poor |
| Gardners Falls Franklin County | 37 | 1904 | Low | Satisfactory |
| Gales Pond Dam Franklin County | 18 | — | Low | Satisfactory |
| Fuller Street Dam Plymouth County | 11 | — | Low | Fair |
| Frogfoot Reservoir Dam Plymouth County | 8 | 1940 | Low | Not Rated |
| Freeman Bog Dam Plymouth County | 12 | 1900 | Low | Poor |
| France Street Dam Plymouth County | 9 | 1920 | Low | Fair |
| Four Mile Pond Dam Essex County | 10 | 1900 | Low | Fair |
| Foundry Lake Dam Norfolk County | 9 | 1950 | Low | Fair |
| 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 |
| Fitzgerald Lake Dam Hampshire County | 22 | 1965 | Low | Satisfactory |
| Fitchburg Reservoir Southeast Dam Middlesex County | 20 | 1916 | Low | Fair |
| Fitchburg Reservoir South Dike Middlesex County | 19 | 1916 | Low | Fair |
| Fitchburg Reservoir North Dam Middlesex County | 27 | 1916 | Low | Fair |
| Fiske Pond Dam Franklin County | 10 | — | Low | Fair |
| Fish Pond Dam Worcester County | 9 | — | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.