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 1151–1175 of 1,225
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Belden Dam Windham County | 10 | 1900 | Significant | Not Rated |
| Beckwith Pond Dam New London County | 9 | — | Significant | Satisfactory |
| Beaver Pond Dam New Haven County | 12 | 1893 | Significant | Poor |
| Beaver Dam Pond Hartford County | 8 | — | Significant | Satisfactory |
| Beaver Dam Lake Dam Fairfield County | 47 | 1901 | High | Satisfactory |
| Beaver Brook Pond New London County | 7 | — | Significant | Fair |
| Beaver Brook Dam New London County | 8 | 1968 | Low | Not Rated |
| Beaver Brook Dam New Haven County | 17 | 1897 | Significant | Not Rated |
| Beaupres Pond Dam Windham County | 12 | 1952 | Significant | Satisfactory |
| Bear Swamp Pond Dam Litchfield County | 7 | — | Significant | Not Rated |
| Bear Swamp Pond | 7 | — | Low | Not Rated |
| Bear Hill Pond Dam Windham County | 10 | — | Significant | Satisfactory |
| Beard Mill Pond Dam Fairfield County | 12 | — | Significant | Not Rated |
| Beach Pond Dam New London County | 12 | 1885 | Significant | Satisfactory |
| Beachdale Pond Dam New London County | 9 | — | Significant | Satisfactory |
| Bayberry Lane Pond Dam Hartford County | 7 | — | Significant | Fair |
| Baxters Pond Dam Fairfield County | 5 | — | Significant | Not Rated |
| Batterson Park Pond Dam Hartford County | 25 | 1878 | High | Satisfactory |
| Bassett Pond Dam Windham County | 13 | — | Significant | Fair |
| Bashan Lake Dam Middlesex County | 24 | 1939 | Significant | Satisfactory |
| Bartman Road Pond Dam Middlesex County | 4 | — | Significant | Not Rated |
| Barstow Pond Dam Hartford County | 4 | — | Significant | Poor |
| Barnes Reservoir Dam New London County | 22 | 1902 | Significant | Poor |
| Barber Pond Dam Hartford County | 11 | 1955 | High | Poor |
| Barber Hill Road Pond #1 Dam Hartford County | 3 | — | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.