Hydroelectric Dams in Connecticut
Connecticut has 27 hydroelectric dams, of which 7 carry a high hazard classification. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Shepaug | New Haven | 138 | High | Satisfactory | 1955 |
| 2 | Goodwin | Hartford | 125 | High | Satisfactory | 1960 |
| 3 | Stevenson | Fairfield | 103 | High | Satisfactory | 1919 |
| 4 | Middle Lanesville Dike | Litchfield | 45 | High | Satisfactory | 1929 |
| 5 | Rainbow Reservoir Dam | Hartford | 43 | High | Satisfactory | 1925 |
| 6 | Taftville Hydro Dam #4 | New London | 41 | High | Satisfactory | 1867 |
| 7 | Scotland | Windham | 37 | Low | Satisfactory | 1909 |
| 8 | Sandy Hook | Fairfield | 35 | Significant | Satisfactory | 1905 |
| 9 | Congdon Pond Dam | New London | 35 | Significant | Poor | 1900 |
| 10 | Tunnel Dam Hydro Station | New London | 32 | Significant | Satisfactory | 1906 |
| 11 | Robertsville Dam | Litchfield | 29 | Significant | Satisfactory | 1887 |
| 12 | Shelton Canal Dike | Fairfield | 25 | Low | Satisfactory | 1870 |
| 13 | Hanover Pond | New Haven | 25 | High | Satisfactory | 2006 |
| 14 | Cargill Falls | Windham | 24 | Significant | Satisfactory | 1925 |
| 15 | Kinneytown | New Haven | 21 | Significant | Poor | 1913 |
| 16 | Wyre - Wynd | New London | 21 | Low | Satisfactory | 1913 |
| 17 | Bantam Hydro Dam | Litchfield | 20 | Significant | Satisfactory | 1945 |
| 18 | Deuses Pond Dam | Middlesex | 20 | Significant | Satisfactory | 1916 |
| 19 | Brunswick | Windham | 19 | Low | Fair | 1891 |
| 20 | Mechanicsville | Windham | 18 | Low | Satisfactory | 1900 |
| 21 | Spooner | Litchfield | 17 | Low | Satisfactory | 1902 |
| 22 | Five Mile | Windham | 17 | Significant | Satisfactory | 1855 |
| 23 | Falls Village | Litchfield | 15 | Significant | Satisfactory | 1913 |
| 24 | Greenville | New London | 15 | Low | Satisfactory | 1888 |
| 25 | Occum | New London | 14 | Low | Satisfactory | 1900 |
| 26 | Dayville Dike | Windham | 14 | Low | Satisfactory | 1925 |
| 27 | Quinebaug | Windham | 14 | Low | Satisfactory | 1855 |