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 1026–1050 of 1,291
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Cushing Pond Dam Plymouth County | 10 | 1956 | Significant | Fair |
| Curve Street Dam Middlesex County | 9 | 1904 | Significant | Fair |
| Curtis Ponds Dam Worcester County | 14 | 1837 | Significant | Satisfactory |
| Curtis Crossing Dam Plymouth County | 12 | 1908 | Low | Poor |
| Current Meter Pond Dam Worcester County | 11 | 1908 | Significant | Poor |
| Crystal Pond Dam Berkshire County | 19 | 1964 | Significant | Fair |
| Crystal Lake Dam Essex County | 8 | 1930 | Significant | Satisfactory |
| Crow Hills Pond Dam Worcester County | 16 | 1937 | Significant | Satisfactory |
| Cross Street No. 2 Dam Plymouth County | 11 | 1938 | Low | Not Rated |
| Cross Pond Dam Worcester County | 7 | 1900 | Low | Poor |
| Cross Pond Dam Plymouth County | 7 | 1930 | Significant | Fair |
| Crosby Pond Dam Middlesex County | 9 | — | Significant | Unsatisfactory |
| Crooked Pond Dam Hampshire County | 14 | — | Significant | Satisfactory |
| Crocker Pond Dam Norfolk County | 7 | 1900 | Low | Poor |
| Crocker Pond Dam Worcester County | 39 | 1933 | High | Satisfactory |
| Crocker Fish Pond Dam Worcester County | 12 | — | Low | Fair |
| Cresticon Upper Worcester County | 12 | 1931 | Low | Satisfactory |
| Cresticon Lower Worcester County | 6 | 1948 | Significant | Satisfactory |
| Crescent Street Worcester County | 28 | 1900 | Significant | Satisfactory |
| Creighton Pond Dam Essex County | 10 | — | Low | Poor |
| Crane Brook Upper Dam Plymouth County | 11 | — | Significant | Satisfactory |
| Cranberry Reservoir Dam Bristol County | 7 | 1920 | Low | Satisfactory |
| Cranberry Pond Dam Hampden County | 24 | 1966 | Low | Satisfactory |
| Cranberry Meadow Pond Dam Worcester County | 11 | 1939 | Significant | Poor |
| Cranberry Bog Dam Middlesex County | 8 | 1920 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.