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 301–325 of 1,225
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ehrsam Pond Dam Fairfield County | 9 | — | Significant | Not Rated |
| Eisenhower Park Pond Dam New Haven County | 4 | — | Significant | Not Rated |
| Ella Fohs Camp Dam Litchfield County | 13 | 1900 | Significant | Fair |
| Ellis Flood Control Site #2 Dam Tolland County | 38 | 1960 | High | Satisfactory |
| Ellithorpe Flood Control Site #5 Dam Tolland County | 29 | 1968 | High | Fair |
| Elmere Reservoir Dam Hartford County | 24 | — | Significant | Satisfactory |
| Elmville Dam Windham County | 7 | 1900 | Significant | Fair |
| Ely Pond Dam Hartford County | 3 | — | Significant | Poor |
| Endres Pond Dam New Haven County | 8 | — | Significant | Satisfactory |
| Ensign Bickford Dam Hartford County | 21 | 1900 | Significant | Satisfactory |
| Eugene Park Pond Dam Litchfield County | 2 | — | Significant | Not Rated |
| Eureka Lake Dam Fairfield County | 18 | 1878 | High | Fair |
| Eutro Pond Dam Fairfield County | 12 | — | Significant | Satisfactory |
| Exeter Energy Storage Basin Dam Windham County | 7 | 2003 | Significant | Satisfactory |
| Factory Pond Dam Fairfield County | 24 | 1874 | High | Poor |
| Fagan Dam Tolland County | — | — | Significant | Not Rated |
| Fairview Reservoir Dam and Dikes New London County | 30 | 1868 | High | Satisfactory |
| Fairy Lake Dam New London County | 20 | 1956 | Significant | Fair |
| Fall Mountain Lake Dam Litchfield County | 12 | 1900 | Significant | Satisfactory |
| Falls Mill Upper Dam New London County | 10 | 1910 | Significant | Not Rated |
| Falls Village Litchfield County | 15 | 1913 | Significant | Satisfactory |
| Farm Brook Flood Control Site #1 Dam New Haven County | 11 | 1974 | High | Satisfactory |
| Farm Brook Flood Control Site #2a Dam New Haven County | 29 | — | High | Satisfactory |
| Farm Brook Pond Site 2b New Haven County | 28 | — | High | Satisfactory |
| Far Mill River Dam Fairfield County | 19 | — | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.