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 601–616 of 616
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Assabet River Dam Worcester County | 11 | — | Significant | Fair |
| Assabet Middlesex County | 13 | 1921 | Significant | Satisfactory |
| Asnebumskit Pond Dam Worcester County | 11 | 1950 | Significant | Fair |
| Asnacomet Pond Dam Worcester County | 9 | — | Significant | Fair |
| Ashley Pond Dam Hampden County | 11 | 1897 | Significant | Satisfactory |
| Ashby Reservoir Dam Middlesex County | 28 | 1918 | Significant | Fair |
| Arthur J. Bousquet Dam Hampshire County | 7 | — | Significant | Satisfactory |
| Arnold Dam Berkshire County | 21 | 1954 | Significant | Poor |
| Ames Pond Dike B Middlesex County | 6 | — | Significant | Satisfactory |
| Ames Pond Dam Plymouth County | 15 | 1992 | Significant | Fair |
| Alum Pond Dam Worcester County | 9 | — | Significant | Fair |
| Allen Mill Pond Dam Worcester County | 18 | — | Significant | Fair |
| Aldrich Lake Dam Hampshire County | 34 | 1934 | Significant | Fair |
| Adams Pond Dam Worcester County | 8 | 2014 | Significant | Poor |
| Adams Pond Dam Worcester County | 7 | — | Significant | Fair |
| Accord Pond Dam Plymouth County | 10 | — | Significant | Fair |
PreviousPage 25 of 25
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.