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 1101–1125 of 1,291
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Church Manufacturing Company Dam Hampden County | 14 | 1900 | Low | Poor |
| Chimney Pond Dam Worcester County | 18 | — | High | Unsatisfactory |
| Chicopee Reservoir Dam Hampden County | 47 | 1927 | High | Fair |
| Chicopee Hampden County | 9 | 1898 | Low | Satisfactory |
| Chestnut Hill Reservoir Dam Suffolk County | 19 | 1870 | High | Satisfactory |
| Cheshire Reservoir Dam Berkshire County | 14 | 1870 | Significant | Fair |
| Cherry Valley Dam Hampden County | 41 | 1877 | High | Fair |
| Chartpak Dam Hampshire County | 31 | — | Significant | Satisfactory |
| Chartley Pond Dam Bristol County | 12 | 1696 | High | Fair |
| Charles River Dam At South Natick Middlesex County | 14 | — | High | Poor |
| Chapin Pond Hampden County | 15 | 1900 | Low | Fair |
| Chaffin Pond Dam Worcester County | 10 | 1894 | Significant | Poor |
| Central Street Dam Middlesex County | 34 | 1659 | High | Fair |
| Central Street Dam Essex County | 9 | 1975 | Low | Fair |
| Center Pond Dam Berkshire County | 9 | — | Significant | Satisfactory |
| Centennial Dam Norfolk County | 23 | — | High | Fair |
| Cedar Swamp Pond Dam Worcester County | 8 | 1939 | Significant | Fair |
| Cedar Street Dam Middlesex County | 12 | — | Significant | Fair |
| Cedar Pond Dam Worcester County | 9 | 1876 | Significant | Fair |
| Cedar Meadow Pond Dam Worcester County | 15 | 1924 | Significant | Fair |
| Carver'S Pond Dam Plymouth County | 6 | — | Significant | Poor |
| Carter Pond Dam Worcester County | 9 | 1924 | Significant | Satisfactory |
| Carpenter Reservoir Dike Worcester County | 28 | 1888 | Low | Poor |
| Carpenter Reservoir Dam Worcester County | 32 | 1888 | Significant | Satisfactory |
| Carpenter Pond Dam Norfolk County | 15 | 1888 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.