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 176–200 of 356
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Liberman'S Pond Dam Berkshire County | 12 | 1985 | Low | Satisfactory |
| Leonards Pond Dam Plymouth County | 15 | — | Low | Fair |
| Lee Reservoir Dam Worcester County | 12 | — | Low | Satisfactory |
| Leach Pond Dam Bristol County | 7 | — | Low | Unsatisfactory |
| Lawrence Reservoir Dam Essex County | 28 | 1875 | Low | Satisfactory |
| Laurel Lake Dam Franklin County | 9 | — | Low | Fair |
| Lake Wickaboag Dam Worcester County | 7 | 2000 | Low | Satisfactory |
| Lake Warner Dam Hampshire County | 17 | 1918 | Low | Satisfactory |
| Lake Rohunta Dam Worcester County | 24 | 1943 | Low | Satisfactory |
| Lake Noquochoke Upper Dike Bristol County | 8 | — | Low | Poor |
| Lake Noquochoke Upper Dam Bristol County | 11 | — | Low | Poor |
| Kennard Reservoir Dam Plymouth County | 12 | — | Low | Not Rated |
| Kelleher Dam Plymouth County | 15 | 1945 | Low | Poor |
| Juda Dam Hampshire County | 16 | 1962 | Low | Fair |
| Jones Pond Dam Worcester County | 11 | 1930 | Low | Poor |
| Johns Pond Dam Barnstable County | 8 | 2003 | Low | Fair |
| Johnson Pond Dam Bristol County | 10 | 1950 | Low | Fair |
| Jenks Pond Dam Norfolk County | 7 | 1900 | Low | Poor |
| Island Pond Dam Plymouth County | 10 | — | Low | Poor |
| Ipswich Mills Dam Essex County | 11 | 1637 | Low | Fair |
| Intake Dam Hampden County | 59 | 1909 | Low | Fair |
| Indian Trail Reservoir No. 3 Dam Plymouth County | 7 | 1900 | Low | Not Rated |
| Indian Hill Reservoir Dam and Dikes Essex County | 30 | 1981 | Low | Fair |
| Ice House Middlesex County | 15 | 1906 | Low | Satisfactory |
| Hunts Pond Worcester County | 15 | 1936 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.