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 201–225 of 236
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Compensating Reservoir Dam Litchfield County | 75 | 1920 | High | Fair |
| Columbia Lake Dam Tolland County | 28 | 1865 | High | Satisfactory |
| Colebrook River Dam Litchfield County | 223 | 1969 | High | Not Available |
| Cold Spring Flood Control Site #9 Dam Hartford County | 20 | — | High | Satisfactory |
| Chestnut Ridge Dam Fairfield County | 29 | 1910 | High | Fair |
| Chestnut Hill Reservoir Dam New Haven County | 37 | 1919 | High | Fair |
| Cheshire Reservoir Dam New Haven County | 21 | 1908 | High | Satisfactory |
| Canoe Brook Lake West Dike Fairfield County | 16 | 1870 | High | Satisfactory |
| Bushy Hill Pond Dam Middlesex County | 33 | 1871 | High | Satisfactory |
| Burr Pond Dam Litchfield County | 17 | 1935 | High | Satisfactory |
| Burnt Hill Flood Control Dam Hartford County | 38 | 1966 | High | Satisfactory |
| Bunnells Pond Dam Fairfield County | 33 | 1906 | High | Fair |
| Bugbee Flood Control Dam Hartford County | 20 | 1969 | High | Satisfactory |
| Bronson E. Lockwood Dam Litchfield County | 34 | 1958 | High | Satisfactory |
| Broad Brook Reservoir Dam New Haven County | 40 | 1913 | High | Fair |
| Bristol Reservoir #5 Dam Litchfield County | 60 | 1932 | High | Satisfactory |
| Bristol Reservoir #1 Dam Hartford County | 25 | 1885 | High | Satisfactory |
| Bradley Hubbard Reservoir Dam New Haven County | 15 | 1891 | High | 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 |
| Bloomfield Flood Control Site #3 Dam Hartford County | 29 | 1962 | High | Satisfactory |
| Black Rock Pond Dam Litchfield County | 16 | 1945 | High | Satisfactory |
| Black Rock Dam Litchfield County | 130 | 1971 | High | Not Available |
| Black Pond Dam New Haven County | 26 | 1880 | High | Fair |
| Big Pond Dam Windham County | 20 | 1870 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.