Dams in Middlesex County, Connecticut
119Total Dams
17High Hazard
99Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Crystal Lake Dam | High | Poor | 50 | Recreation | 1850 |
| Higganum Reservoir Dam | High | Fair | 48 | Recreation | 1868 |
| Killingworth Reservoir Dam | High | Satisfactory | 46 | Water Supply | 1895 |
| Bushy Hill Pond Dam | High | Satisfactory | 33 | Water Supply | 1871 |
| Mount Higby Reservoir Dam | High | Satisfactory | 30 | Water Supply | 1897 |
| Portland Reservoir Dam | High | Satisfactory | 28 | Water Supply | 1964 |
| Adder Reservoir | High | Fair | 28 | Water Supply | 1934 |
| Leesville Dam | High | Satisfactory | 25 | Recreation | 1900 |
| Dooley Pond Dam | High | Fair | 24 | Recreation | 1870 |
| Messerschmidt Pond Dam | High | Fair | 23 | Recreation | 1890 |
| Pattaconk Reservoir Dam | High | Fair | 23 | Recreation | 1932 |
| Jennings Pond Dam | High | Satisfactory | 22 | Recreation | 1870 |
| Scovill Reservoir Dam | High | Satisfactory | 21 | Recreation | 1860 |
| Laurel Brook Reservoir Dam | High | Satisfactory | 20 | Water Supply | 1866 |
| Mill Pond Dam | High | Fair | 18 | Recreation | 1721 |
| Obed Heights Reservoir Dam | High | Satisfactory | 15 | Recreation | 1880 |
| Wrights Pond Dam | High | Fair | 10 | Recreation | 1890 |
| Asylum Reservoir #2 Dam | Significant | Fair | 35 | Water Supply | |
| Lake Beseck Dam | Significant | Satisfactory | 34 | Recreation | 1846 |
| Asylum Reservoir #4 Dam | Significant | Satisfactory | 30 | Water Supply | |
| Deep Hollow Reservoir Dam | Significant | Satisfactory | 28 | Water Supply | 1854 |
| Asylum Reservoir Dam #6 | Significant | Fair | 28 | Water Supply | 1954 |
| Ymca Camp Farnam Pond Dam | Significant | Fair | 26 | Recreation | 1931 |
| Johnson Millpond Dam | Significant | Satisfactory | 25 | Recreation | 1880 |
| Bashan Lake Dam | Significant | Satisfactory | 24 | Recreation | 1939 |
| Drop Pond Dam | Significant | Satisfactory | 22 | Recreation | |
| Arrigoni Pond Dam | Significant | Satisfactory | 21 | Recreation | 1945 |
| Zoar Pond Dam | Significant | Poor | 21 | Recreation | |
| Butternut Hollow Pond Dam | Significant | Satisfactory | 21 | Recreation | 1935 |
| Deuses Pond Dam | Significant | Satisfactory | 20 | Hydroelectric | 1916 |
| Bell Shop Dam | Significant | Satisfactory | 20 | Recreation | |
| Berlin Fish & Game Dam | Significant | Not Rated | 20 | Recreation | 1972 |
| Moodus Reservoir Dam | Significant | Satisfactory | 18 | Recreation | 1882 |
| Highland Pond Dam | Significant | Satisfactory | 18 | Irrigation | 1875 |
| Foster Pond Dam | Significant | Satisfactory | 17 | Recreation | 1900 |
| Chestnut Brook Dam | Significant | Satisfactory | 17 | Recreation | |
| Pickerel Lake Dam | Significant | Poor | 17 | Recreation | 1870 |
| Gunsight Pond Dam | Significant | Fair | 17 | Irrigation | |
| Useful Pond Dam | Significant | Fair | 15 | Water Supply | |
| Nelson Gustine Dam | Significant | Satisfactory | 15 | Recreation | 1968 |
| Schriber Park (great Brook Dam) | Significant | Fair | 15 | Recreation | |
| Tetram Pond Dam | Significant | Fair | 15 | Recreation | 1923 |
| Asylum Reservoir #5 Dam | Significant | Satisfactory | 15 | Water Supply | 1879 |
| Markham Pond Dam | Significant | Satisfactory | 14 | Fish and Wildlife Pond | |
| Boulder Lake Dam | Significant | Fair | 14 | Recreation | 1940 |
| Great Hill Pond Dam | Significant | Poor | 14 | Recreation | 1870 |
| Bevins Pond Dam | Significant | Fair | 14 | Recreation | 1898 |
| Great Brook Dam #1 | Significant | Fair | 14 | Recreation | |
| Lochwood Lake Dam | Significant | Satisfactory | 13 | Recreation | 1973 |
| Hidden Lake Dam | Significant | Satisfactory | 13 | Recreation | 1860 |
| Pattaconk Dam #3 | Significant | Satisfactory | 13 | Recreation | |
| Sportsmen Pond Dam | Significant | Not Rated | 13 | Recreation | |
| J B Taylor Dam | Significant | Not Rated | 13 | Recreation | |
| Kelseytown Reservoir Dam | Significant | Satisfactory | 12 | Water Supply | 1895 |
| Deer Lake Dam | Significant | Satisfactory | 12 | Recreation | 1920 |
| Coginchaug River Dam #1 | Significant | Satisfactory | 12 | Recreation | |
| Lower Murray Pond Dam | Significant | Not Rated | 12 | Irrigation | 1924 |
| Heinrich Pond Dam | Significant | Satisfactory | 12 | Recreation | |
| Upper Mill Pond Dam | Significant | Fair | 12 | Recreation | 1860 |
| Durham Rod & Gun Club Dam | Significant | Not Rated | 12 | Recreation | 1993 |
| Artistic Wire Company Pond Dam | Significant | Not Rated | 12 | Other | |
| Spring Street Dam | Significant | Not Rated | 11 | Recreation | |
| Schreeder Pond Dam | Significant | Satisfactory | 11 | Recreation | 1900 |
| Pameacha Pond Dam | Significant | Poor | 11 | Other | 1870 |
| State Park Pond Dam | Significant | Poor | 11 | Recreation | |
| Pratt Read Dam | Significant | Satisfactory | 11 | Recreation | 1860 |
| Westfield Falls Pond Dam | Significant | Satisfactory | 11 | Recreation | |
| Deraad Pond Dam | Significant | Not Rated | 10 | Fish and Wildlife Pond | |
| Cockaponset Pond Dam | Significant | Satisfactory | 10 | Recreation | |
| Miller Pond Dam | Significant | Fair | 10 | Recreation | 1880 |
| Kelsey Pond Dam | Significant | Not Rated | 10 | Recreation | 1860 |
| Little City Pond | Significant | Not Rated | 10 | Recreation | |
| Kroupa Pond Dam | Significant | Satisfactory | 10 | Recreation | 1900 |
| Wadsworth Falls Dam #2 | Significant | Poor | 10 | Recreation | |
| Starr Mill Pond Dam | Significant | Fair | 10 | Recreation | 1875 |
| Turkey Hill Reservoir Dam & Dike | Significant | Poor | 10 | Water Supply | |
| Griswold Pond #2 Dam | Significant | Poor | 10 | Recreation | |
| Turnpike Pond Dam | Significant | Fair | 9 | Recreation | 1900 |
| Rogers Pond Dam | Significant | Satisfactory | 9 | Recreation | 1850 |
| Birch Mill Pond Dam | Significant | Fair | 9 | Recreation | 1850 |
| Ivoryton Pond Dam | Significant | Satisfactory | 8 | Recreation | |
| Post Pond Dam | Significant | Fair | 8 | Recreation | |
| Brownell Pond Dam | Significant | Fair | 8 | Recreation | |
| Hurd Park Pond Dam | Significant | Not Rated | 8 | Recreation | |
| Upper Pond Dam #1 | Significant | Poor | 8 | Recreation | |
| Lake Hayward Dam | Significant | Fair | 8 | Recreation | 1877 |
| Camp Ramah Upper Pond | Significant | Poor | 8 | Recreation | |
| Peck's Meadow Pond Dam | Significant | Fair | 8 | Recreation | 1880 |
| Dunham Pond | Significant | Not Rated | 7 | Recreation | |
| Upper Murray Pond Dam | Significant | Satisfactory | 7 | Recreation | |
| Trouble Pond Dam | Significant | Poor | 7 | Recreation | |
| Black Shop Pond Dam | Significant | Satisfactory | 7 | Recreation | |
| West Swamp Brook Dam (gilbert) | Significant | Not Rated | 7 | Recreation | |
| Hedlund Pond | Significant | Not Rated | 6 | Recreation | |
| Wopowog Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Will Cone Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Old Mill Pond Dam | Significant | Satisfactory | 6 | Recreation | |
| Lake Pocotopaug Dam | Significant | Satisfactory | 6 | Recreation | 1953 |
| Bochain Pond | Significant | Not Rated | 5 | Recreation | |
| Wallien Pond | Significant | Not Rated | 5 | Recreation | |
| Gillette Castle Bridge Pond Dam | Significant | 5 | Recreation | ||
| Pearson Pond Dam | Significant | Not Rated | 5 | Recreation | |
| Chalkers Millpond Dam | Significant | Poor | 5 | Recreation | 1845 |
| Miner Pond Dam | Significant | Not Rated | 5 | Recreation | |
| Pizzini Pond Dam | Significant | Not Rated | 5 | Recreation | |
| Asylum Reservoir #1 Dam | Significant | Poor | 5 | Water Supply | |
| Dolan's Pond | Significant | Not Rated | 5 | Recreation | |
| Staba Pond | Significant | Not Rated | 4 | Recreation | |
| Bartman Road Pond Dam | Significant | Not Rated | 4 | Fish and Wildlife Pond | |
| Gillette Castle Goldfish Pond Dam | Significant | 4 | Recreation | ||
| Cedar Lake Dam | Significant | Not Rated | 4 | Recreation | |
| Tiffany Brook Pond Dam | Significant | Not Rated | 4 | Recreation | |
| Gillette Castle Dam | Significant | Poor | 4 | Recreation | |
| Waterhouse Pond Dam | Significant | Satisfactory | 4 | Water Supply | 1902 |
| Gates Pond | Significant | Not Rated | 0 | Recreation | |
| Urban Pond Dam | Significant | Fair | 0 | Recreation | |
| Tower Hill Lake Dam | Low | Not Rated | 20 | Recreation | 1920 |
| Upper Mill Pond Dam | Low | Poor | 8 | Recreation | 1813 |
| Comstock Pond Dam | Low | Not Rated | 7 | Other | 1874 |