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 276–300 of 356
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Davenport Pond Dam Worcester County | 7 | — | Low | Poor |
| Curtis Crossing Dam Plymouth County | 12 | 1908 | Low | Poor |
| Cross Street No. 2 Dam Plymouth County | 11 | 1938 | Low | Not Rated |
| Cross Pond Dam Worcester County | 7 | 1900 | Low | Poor |
| Crocker Pond Dam Norfolk County | 7 | 1900 | Low | Poor |
| Crocker Fish Pond Dam Worcester County | 12 | — | Low | Fair |
| Cresticon Upper Worcester County | 12 | 1931 | Low | Satisfactory |
| Creighton Pond Dam Essex County | 10 | — | Low | Poor |
| Cranberry Reservoir Dam Bristol County | 7 | 1920 | Low | Satisfactory |
| Cranberry Pond Dam Hampden County | 24 | 1966 | Low | Satisfactory |
| Cranberry Bog Dam Middlesex County | 8 | 1920 | Low | Satisfactory |
| Cournoyer Pond Dam Worcester County | 14 | — | Low | Satisfactory |
| Cornell Lower Pond Dam Bristol County | 8 | — | Low | Poor |
| Cooks Pond Dam Plymouth County | 12 | 1920 | Low | Not Rated |
| Cook Pond Dam Bristol County | 15 | — | Low | Poor |
| Conway Electric Dam Franklin County | 77 | 1898 | Low | Poor |
| Collins Hampden County | 11 | 1984 | Low | Satisfactory |
| Coles Brook Pond Dam Berkshire County | 11 | 1959 | Low | Fair |
| Cole River Dam Bristol County | 11 | — | Low | Fair |
| Cold Bottom Pond Dam Plymouth County | 12 | 1900 | Low | Poor |
| Cogan Pond Dam Worcester County | 25 | — | Low | Poor |
| Cochran Dam Norfolk County | 13 | 1900 | Low | Fair |
| Cloverdale Pond Dam Worcester County | 7 | — | Low | Not Rated |
| Clear Pond West Dike Hampden County | 19 | — | Low | Poor |
| Clear Pond Dam Hampden County | 22 | — | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.