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 254
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Deans Reservoir Dam New London County | 15 | 1888 | High | Fair |
| Darrow Pond Dam New London County | 8 | 1880 | Significant | Fair |
| Crystal Pond Dam Windham County | 31 | 1900 | Significant | Fair |
| Crystal Lake Reservoir Dam Litchfield County | 13 | 1892 | Significant | Fair |
| Crystal Lake Dam Litchfield County | 36 | 1878 | Significant | Fair |
| Cos Cob Pond Dam Fairfield County | 8 | — | Significant | Fair |
| Converse Lake Dam Fairfield County | 30 | 1900 | High | Fair |
| Compensating Reservoir Dam Litchfield County | 75 | 1920 | High | Fair |
| Cold Brook Reservoir Dam Hartford County | 13 | 1919 | Significant | Fair |
| Cobbs Mill Pond Dam Fairfield County | 21 | 1892 | Significant | Fair |
| Clarks Pond Dam New Haven County | 10 | — | Significant | Fair |
| Clark Falls Dam New London County | 11 | — | Significant | Fair |
| Chestnut Ridge Dam Fairfield County | 29 | 1910 | High | Fair |
| Chestnut Hill Reservoir Dam New Haven County | 37 | 1919 | High | Fair |
| Chase Reservoir Dam Windham County | 13 | 1870 | Significant | Fair |
| Cellu Company Dam Hartford County | 12 | 1950 | Significant | Fair |
| Cat'S Corner Dam Windham County | 14 | 1980 | Significant | Fair |
| Carp Road Dam Fairfield County | 12 | — | Significant | Fair |
| Camp Alice Merritt Dam Hartford County | 14 | 1937 | Significant | Fair |
| Button Mill Pond Dam Fairfield County | 10 | — | Significant | Fair |
| Butterworth Lake Dam New Haven County | 15 | 1961 | Significant | Fair |
| Bush Pond Dam New London County | 12 | — | Significant | Fair |
| Burdick Bros Dam Windham County | 7 | — | Significant | Fair |
| Bunnells Pond Dam Fairfield County | 33 | 1906 | High | Fair |
| Buckley Dam Litchfield County | 13 | 1957 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.