Connecticut Dams
1,225 dams tracked by the National Inventory of Dams
Total Dams
1,225
High Hazard
236
19.3%
Poor / Unsatisfactory
126
Average Age
115 yrs
Hazard Classification
High236 (19.3%)
Significant936 (76.4%)
Low53 (4.3%)
Condition Assessment
Satisfactory474 (38.7%)
Fair254 (20.7%)
Poor / Unsatisfactory126 (10.3%)
Not Rated371 (30.3%)
Federal
9
State
169
Local
254
Private
697
Tallest Dams
- Colebrook River Dam223 ft
- Mad River Flood Control Dam178 ft
- Nepaug Dam156 ft
- Shepaug 138 ft
- Saville Dam137 ft
High Hazard Dams
- Colebrook River DamHigh
- Mad River Flood Control DamHigh
- Nepaug DamHigh
- Shepaug High
- Saville DamHigh
Poor Condition Dams
All Dams in Connecticut
Showing 1051–1075 of 1,225
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Camp Cedarcrest Pond Dam New Haven County | 15 | — | Significant | Not Rated |
| Camp Alice Merritt Dam Hartford County | 14 | 1937 | Significant | Fair |
| Calkinstown Reservoir Dam Litchfield County | 15 | — | Significant | Not Rated |
| Cady Pond Dam Windham County | 13 | 1865 | Significant | Satisfactory |
| Button Mill Pond Dam Fairfield County | 10 | — | Significant | Fair |
| Butterworth Lake Dam New Haven County | 15 | 1961 | Significant | Fair |
| Butternut Hollow Pond Dam Middlesex County | 21 | 1935 | Significant | Satisfactory |
| Bushy Hill Pond Dam Middlesex County | 33 | 1871 | High | Satisfactory |
| Bush Pond Dam New London County | 12 | — | Significant | Fair |
| Bush Hill Pond Windham County | — | — | Significant | Not Rated |
| Burr Pond Dam Litchfield County | 17 | 1935 | High | Satisfactory |
| Burnt Hill Flood Control Dam Hartford County | 38 | 1966 | High | Satisfactory |
| Burdick Bros Dam Windham County | 7 | — | Significant | Fair |
| Bunnells Pond Dam Fairfield County | 33 | 1906 | High | Fair |
| Bunnell Pond Litchfield County | 7 | — | Significant | Not Rated |
| Bulls Bridge Mountainside Spillway Litchfield County | 20 | 1902 | Significant | Satisfactory |
| Bull Pond Dam Dam Litchfield County | 4 | 1900 | Significant | Not Rated |
| Bugbee Flood Control Dam Hartford County | 20 | 1969 | High | Satisfactory |
| Buckley Dam Litchfield County | 13 | 1957 | Low | Fair |
| Buckingham Reservoir Dam Hartford County | 30 | 1925 | Significant | Fair |
| Brush Reservoir Dam Fairfield County | 23 | 1925 | Low | Poor |
| Brunswick School Dam Fairfield County | — | — | Significant | Not Rated |
| Brunswick Windham County | 19 | 1891 | Low | Fair |
| Browns Brook Dam Fairfield County | 14 | 1836 | Significant | Fair |
| Brown Pond Dam Tolland County | 7 | — | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.