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 226–250 of 254
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Buckingham Reservoir Dam Hartford County | 30 | 1925 | Significant | Fair |
| Brunswick Windham County | 19 | 1891 | Low | Fair |
| Browns Brook Dam Fairfield County | 14 | 1836 | Significant | Fair |
| Brown Hill Dam Windham County | 7 | — | Significant | Fair |
| Brownell Pond Dam Middlesex County | 8 | — | Significant | Fair |
| Bromley Pond Dam Litchfield County | 12 | — | Low | Fair |
| Broad Brook Reservoir Dam New Haven County | 40 | 1913 | High | Fair |
| Branford Supply Ponds Dam New Haven County | 15 | 1911 | Significant | Fair |
| Brandagee Lake Dam New London County | 15 | 1897 | Significant | Fair |
| Bradley Hubbard Reservoir Dam New Haven County | 15 | 1891 | High | Fair |
| Boulder Lake Dam Middlesex County | 14 | 1940 | Significant | Fair |
| Bone Mill Pond Dam Tolland County | 15 | — | Significant | Fair |
| Blue Hills Flood Control Site #2 Dike Hartford County | 8 | — | High | Fair |
| Blue Hills Flood Control Site #2 Dam Hartford County | 25 | 1964 | High | Fair |
| Black Pond Dam New Haven County | 26 | 1880 | High | Fair |
| Bird Pond Dam Litchfield County | 9 | — | Significant | Fair |
| Birch Mill Pond Dam Middlesex County | 9 | 1850 | Significant | Fair |
| Bevins Pond Dam Middlesex County | 14 | 1898 | Significant | Fair |
| Bethels Pond Dam Fairfield County | 3 | 1937 | Significant | Fair |
| Beaver Brook Pond New London County | 7 | — | Significant | Fair |
| Bayberry Lane Pond Dam Hartford County | 7 | — | Significant | Fair |
| Bassett Pond Dam Windham County | 13 | — | Significant | Fair |
| Asylum Reservoir Dam #6 Middlesex County | 28 | 1954 | Significant | Fair |
| Asylum Reservoir #2 Dam Middlesex County | 35 | — | Significant | Fair |
| Ashe Pond Dam New Haven County | 7 | — | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.