Dams in New Haven County, Connecticut
198Total Dams
48High Hazard
149Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Shepaug | High | Satisfactory | 138 | Hydroelectric | 1955 |
| Lake Gaillard Dam | High | Satisfactory | 118 | Water Supply | 1929 |
| Lake Watrous Dam | High | Satisfactory | 116 | Water Supply | 1915 |
| Lake Chamberlain Dam | High | Satisfactory | 93 | Water Supply | 1890 |
| Long Hill Reservoir Dam | High | Satisfactory | 80 | Water Supply | 1914 |
| Lake Glen Dam | High | Satisfactory | 72 | Water Supply | 1907 |
| Mulberry Reservoir Dam | High | Satisfactory | 66 | Water Supply | 1897 |
| Lake Bethany Dam | High | Satisfactory | 66 | Water Supply | 1892 |
| Hammonasset Dam | High | Satisfactory | 63 | Water Supply | 1956 |
| Menunkatuck Reservoir Dam | High | Satisfactory | 61 | Water Supply | 1929 |
| Lake Dawson Dam | High | Satisfactory | 60 | Water Supply | 1890 |
| Moody Reservoir Dam | High | Satisfactory | 56 | Water Supply | 1900 |
| Lake Whitney Dam | High | Poor | 44 | Water Supply | 1861 |
| Great Hill Reservior Dam | High | Poor | 41 | Recreation | 1909 |
| Peat Swamp Reservoir Dam | High | Poor | 41 | Water Supply | 1925 |
| Broad Brook Reservoir Dam | High | Fair | 40 | Water Supply | 1913 |
| Belleview Lake Dam | High | Satisfactory | 38 | Recreation | 1899 |
| Chestnut Hill Reservoir Dam | High | Fair | 37 | Recreation | 1919 |
| Maltby No. 1 Dam | High | Satisfactory | 37 | Water Supply | 1862 |
| East Mountain Reservoir Dam | High | Satisfactory | 35 | Recreation | 1880 |
| Lake Saltonstall Dam | High | Satisfactory | 34 | Water Supply | 1882 |
| Hop Brook Dam - Saddle Dike | High | Not Available | 33 | Flood Risk Reduction | 1968 |
| Scoville Reservoir Dam | High | Satisfactory | 32 | Recreation | 1917 |
| Lake Wintergreen Dam | High | Satisfactory | 31 | Water Supply | 1863 |
| Mad River Dam Homestead Avenue Dam | High | Poor | 31 | Water Supply | 1900 |
| Mackenzie Reservoir Dam | High | Fair | 29 | Water Supply | 1944 |
| Farm Brook Flood Control Site #2a Dam | High | Satisfactory | 29 | Flood Risk Reduction | |
| Swan Lake Dam | High | Fair | 28 | Irrigation | 1920 |
| Farm Brook Pond Site 2b | High | Satisfactory | 28 | Fish and Wildlife Pond | |
| Merimere Reservoir Dike (dam Is 705) | High | Fair | 27 | Water Supply | 1870 |
| Black Pond Dam | High | Fair | 26 | Recreation | 1880 |
| Hanover Pond | High | Satisfactory | 25 | Hydroelectric | 2006 |
| Conrad Pond Dam | High | Satisfactory | 22 | Recreation | |
| Waterbury Reservoir No. 2 Dam | High | Satisfactory | 22 | Recreation | 1880 |
| Cheshire Reservoir Dam | High | Satisfactory | 21 | Water Supply | 1908 |
| Thurston Pond Dam | High | Satisfactory | 20 | Recreation | 1890 |
| Quillinan Reservoir Dam | High | Fair | 19 | Recreation | 1880 |
| Lower Ansonia Reservoir Dam | High | Satisfactory | 18 | Water Supply | 1887 |
| Ulbrich Reservoir Dam | High | Satisfactory | 17 | Water Supply | 1966 |
| Bradley Hubbard Reservoir Dam | High | Fair | 15 | Recreation | 1891 |
| Fountain Lake Dam | High | Fair | 15 | Recreation | 1888 |
| Lower Scoville Reservoir Dam | High | Fair | 15 | Recreation | 1917 |
| Mixville Pond Dam | High | Satisfactory | 14 | Recreation | 1870 |
| Upper Ansonia Reservoir East Dike | High | Fair | 12 | Recreation | |
| Lake Phipps Dam #3 | High | Satisfactory | 12 | Recreation | 1920 |
| Farm Brook Flood Control Site #1 Dam | High | Satisfactory | 11 | Flood Risk Reduction | 1974 |
| Pistapaug Reservoir Dam | High | Satisfactory | 9 | Water Supply | 1941 |
| Hitchcock Lake Central Ave Dam | High | Satisfactory | 8 | Recreation | 1868 |
| Maltby #2 Dam | Significant | Satisfactory | 45 | Water Supply | 1862 |
| Seymour Reservoir #3 Dam | Significant | Fair | 42 | Water Supply | 1910 |
| Southington Reservoir #2 Dam | Significant | Satisfactory | 38 | Water Supply | 1900 |
| Middle Reservoir Dam | Significant | Satisfactory | 35 | Water Supply | 1890 |
| Seymour Reservoir #2 Dam | Significant | Fair | 31 | Water Supply | 1948 |
| Clarks Pond Dam | Significant | Satisfactory | 30 | Recreation | |
| Maltby Lake West Dam #3 | Significant | Satisfactory | 29 | Water Supply | 1862 |
| Seymour Reservoir #4 Dam | Significant | Poor | 28 | Water Supply | 1951 |
| Risdon Pond Dam | Significant | Unsatisfactory | 27 | Water Supply | 1890 |
| Seymour Reservoir #1 Dam | Significant | Fair | 26 | Water Supply | 1898 |
| Straitsville Reservoir Dam | Significant | Fair | 25 | Water Supply | 1900 |
| Baldwins Pond Dam | Significant | Satisfactory | 24 | Recreation | 1850 |
| West River Pond Dam | Significant | Fair | 24 | Recreation | |
| Quassapaug Lake Dam | Significant | Fair | 24 | Recreation | 1900 |
| Candee Reservoir Dam | Significant | Satisfactory | 24 | Water Supply | |
| Upper Detention Basin Dam | Significant | Satisfactory | 21 | ||
| Kinneytown | Significant | Poor | 21 | Hydroelectric | 1913 |
| Bristol Fish & Game Club Dam | Significant | Satisfactory | 20 | Recreation | 1961 |
| Mirror Lake Dam | Significant | Satisfactory | 20 | Recreation | 1949 |
| Ravenswood Dam | Significant | Satisfactory | 20 | Fish and Wildlife Pond | |
| Hoadley Pond Dam | Significant | Satisfactory | 19 | Water Supply | 1873 |
| Hatchery Pond Dam | Significant | Fair | 19 | Other | |
| Jepps Pond Dam | Significant | Satisfactory | 18 | Recreation | |
| Rimmon Dam | Significant | Not Rated | 18 | Recreation | 1900 |
| Maupus Pond Dam | Significant | Poor | 18 | Recreation | 1920 |
| Wepawaug Reservoir Dam | Significant | Satisfactory | 18 | Water Supply | 1911 |
| Bristol Babcock Reservoir #1 Dam | Significant | Not Rated | 18 | Water Supply | |
| Great Hill Road Pond Dam | Significant | Satisfactory | 18 | Recreation | |
| Towantic Pond Dam | Significant | Poor | 18 | Recreation | 1870 |
| Beaver Brook Dam | Significant | Not Rated | 17 | Recreation | 1897 |
| High Hill Pond Dam | Significant | Satisfactory | 17 | Recreation | 1968 |
| Cedar Lake Dam | Significant | Satisfactory | 17 | Recreation | 1869 |
| Lane Pond Dam | Significant | Satisfactory | 16 | Water Supply | 1918 |
| Butterworth Lake Dam | Significant | Fair | 15 | Recreation | 1961 |
| Northrop Pond Dam | Significant | Not Rated | 15 | Recreation | |
| Branford Supply Ponds Dam | Significant | Fair | 15 | Recreation | 1911 |
| Kettletown Detention Dam | Significant | Satisfactory | 15 | Flood Risk Reduction | |
| May Street Pond South Dam | Significant | Not Rated | 15 | Recreation | |
| Camp Cedarcrest Pond Dam | Significant | Not Rated | 15 | Recreation | |
| North Pond Dam | Significant | Fair | 14 | Recreation | 1967 |
| Miry Pond Dam #2 | Significant | Not Rated | 14 | Recreation | |
| Gravel Pit Pond Dam | Significant | Poor | 14 | Recreation | |
| Kettletown Brook Pond Dam | Significant | Not Rated | 14 | Other | |
| May Street Pond North Dam | Significant | Satisfactory | 14 | Recreation | |
| Little Tracys Pond Dam | Significant | Fair | 14 | Water Supply | |
| Middle Hillhouse Road Pond Dam | Significant | Fair | 14 | Recreation | |
| Stoddard Dam | Significant | Fair | 13 | Recreation | |
| Bishops Pond Dam | Significant | Satisfactory | 13 | Recreation | 1900 |
| West Brook Diversion Dam | Significant | Satisfactory | 13 | Other | |
| Borrelli Farm Pond Dam | Significant | Not Rated | 13 | Other | |
| Sochrin Pond Dam | Significant | Satisfactory | 13 | Recreation | |
| City Hall Pond Dam | Significant | Not Rated | 13 | Recreation | |
| Baldwin Dudley Pond Dam | Significant | Not Rated | 12 | Other | |
| Round Hill Pond Dam | Significant | Fair | 12 | Recreation | 1961 |
| Bladens River Dam | Significant | Poor | 12 | Water Supply | 1906 |
| Wire Company Dam #2 | Significant | Not Rated | 12 | Recreation | 1900 |
| Farm River (northford) Diversion | Significant | Satisfactory | 12 | Water Supply | |
| Lake Elise Dam | Significant | Fair | 12 | Recreation | 1900 |
| Beaver Pond Dam | Significant | Poor | 12 | Recreation | 1893 |
| Upper Guilford Lakes Dam | Significant | Fair | 12 | Recreation | 1929 |
| Guilford Sportsman Association Dam | Significant | Not Rated | 12 | Recreation | |
| Carmel Pond Dam | Significant | Satisfactory | 12 | Recreation | 1956 |
| Duffield Dam | Significant | Fair | 12 | Recreation | 1880 |
| Great Brook Reservoir Dam | Significant | Not Rated | 12 | Recreation | 1925 |
| Bristol Myers Squibb Dam | Significant | Satisfactory | 12 | Other | |
| Rose Mill Pond Dam | Significant | Not Rated | 12 | Recreation | |
| Long Meadow Pond Dam | Significant | Satisfactory | 12 | Water Supply | |
| Moss Farm Dam | Significant | Fair | 11 | Recreation | 1920 |
| Pages Millpond Dam | Significant | Satisfactory | 11 | Recreation | 1880 |
| Hurley Road Pond Dam | Significant | Satisfactory | 10 | Recreation | |
| Youngs Pond Dam | Significant | Not Rated | 10 | Recreation | |
| Goulds Pond Dam | Significant | Not Rated | 10 | Recreation | |
| Jeremy Brook Dam | Significant | Not Rated | 10 | Recreation | |
| Yaskot & Ahearn Spillway | Significant | Not Rated | 10 | Recreation | 1880 |
| Jepps Brook Pond | Significant | Not Rated | 10 | Recreation | |
| Nichols Pond Dam | Significant | Satisfactory | 10 | Recreation | |
| Clarks Pond Dam | Significant | Fair | 10 | Recreation | |
| Indian Lake Dam | Significant | Fair | 10 | Recreation | 1900 |
| Mondo Pond #4 Dam | Significant | Not Rated | 10 | Recreation | |
| Witch Hazel Mill Pond Dam | Significant | Poor | 10 | Recreation | |
| Abbotts Pond Dam | Significant | Not Rated | 9 | Recreation | |
| Kleeman Dam | Significant | Not Rated | 9 | Other | |
| Spring Lake Dam | Significant | Not Rated | 9 | Recreation | |
| Ridge Lower Detention Dam | Significant | Satisfactory | 9 | Other | |
| Wards Mill Pond Dam | Significant | Not Rated | 9 | Recreation | 1900 |
| Pritchard Pond Dam | Significant | Not Rated | 9 | Recreation | 1890 |
| West Pond Dam | Significant | Not Rated | 9 | Recreation | |
| Hidden Pond Park Dam | Significant | Satisfactory | 8 | ||
| Endres Pond Dam | Significant | Satisfactory | 8 | Recreation | |
| Pomperaug River Dam | Significant | Poor | 8 | Other | |
| Silver Brook Dam | Significant | Not Rated | 8 | Recreation | |
| Stannard Pond Dam | Significant | Satisfactory | 8 | Recreation | |
| Carrington Pond Dam | Significant | Satisfactory | 8 | Recreation | 1920 |
| Clark Pond Dam | Significant | Not Rated | 8 | Recreation | |
| Turners Pond Dam | Significant | Not Rated | 8 | Recreation | |
| Paddock Road Pond | Significant | Fair | 8 | Recreation | |
| Dayton Pond Dam West Dayton Hill Road Dam | Significant | Not Rated | 8 | Recreation | |
| Pierce's Detention Dam | Significant | Fair | 8 | Flood Risk Reduction | |
| Silver Lake Dam | Significant | Fair | 7 | Recreation | |
| Hog Pond Dam | Significant | Not Rated | 7 | Recreation | |
| Larkin Pond Dam | Significant | Satisfactory | 7 | Recreation | |
| Twitchell Reservoir Dam | Significant | Fair | 7 | Water Supply | |
| Kellogg Pond Dam | Significant | Not Rated | 7 | Recreation | |
| Malleys Pond Dam | Significant | Satisfactory | 7 | Recreation | 1925 |
| Turtle Pond Dam #1 | Significant | Not Rated | 7 | Recreation | |
| Ashe Pond Dam | Significant | Fair | 7 | Recreation | |
| Donovan Road Detention Basin Dam | Significant | Not Rated | 7 | Other | |
| Down Rd. Pond | Significant | Not Rated | 7 | Recreation | |
| Bishops Pond Dam | Significant | Poor | 7 | Recreation | 1955 |
| Mount Sanford Road Pond Dam | Significant | Not Rated | 7 | Recreation | |
| Papermill Pond Dam | Significant | Fair | 6 | Other | |
| Larsen's Pond Dam | Significant | Satisfactory | 6 | Recreation | |
| Goodman Upper Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Yuchnyk Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Hummer Pond | Significant | Not Rated | 6 | Recreation | |
| Snail Pond | Significant | Not Rated | 6 | Recreation | |
| Dunk Rock Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Frost Road Pond Dam | Significant | Not Rated | 6 | Other | |
| Union Ice Company Pond Dam | Significant | Not Rated | 6 | Recreation | |
| Madison Lake Dam | Significant | Poor | 6 | Recreation | |
| Graniss Pond Dam | Significant | Not Rated | 6 | Recreation | 1900 |
| Lower Hillhouse Road Pond Dam | Significant | Not Rated | 6 | Recreation | |
| West River Flood Control Dam And Levee | Significant | Fair | 6 | 1987 | |
| Summit Pond Dam | Significant | Not Rated | 5 | Recreation | |
| Quonnipaug Lake Dam | Significant | Poor | 5 | Recreation | 1850 |
| Sunset Lake | Significant | Not Rated | 5 | Recreation | |
| Griffins Pond Dam | Significant | Not Rated | 5 | Recreation | |
| Lower Lake Phipps Dam | Significant | Not Rated | 5 | ||
| Ajello's Pond | Significant | Not Rated | 5 | Other | |
| Quirks Pond Dam | Significant | Not Rated | 5 | Recreation | |
| North Farms Reservoir Dam | Significant | Poor | 5 | Recreation | 1926 |
| Lily Pond Plains Road Dam | Significant | Not Rated | 5 | ||
| Lake Wequapauset Dam | Significant | Fair | 5 | Recreation | |
| Lower Detention Basin Dam | Significant | Satisfactory | 4 | ||
| Fenn Pond | Significant | Not Rated | 4 | Recreation | |
| Myer Huber Pond Dam | Significant | Not Rated | 4 | Recreation | |
| Todds Pond | Significant | Not Rated | 4 | Recreation | |
| Kwoka's Pond Dam | Significant | Not Rated | 4 | Other | |
| Nazelrod Pond Dam | Significant | Not Rated | 4 | Other | |
| Town Millpond Dam | Significant | Not Rated | 4 | Recreation | |
| Schildgen Pond Dam | Significant | Not Rated | 4 | Recreation | |
| Dream Lake Dam | Significant | Not Rated | 4 | Recreation | |
| Eisenhower Park Pond Dam | Significant | Not Rated | 4 | Recreation | |
| Keiser Dam | Significant | Not Rated | 3 | Recreation | |
| Picketts Pond Dam | Significant | Fair | 3 | Recreation | 1963 |
| Murphy Lake Dam | Significant | Not Rated | 3 | Recreation | |
| Reilly Pond | Significant | Not Rated | 2 | Recreation | |
| Talmages Ice Pond Dam | Significant | Not Rated | 2 | Recreation | |
| Ridge Upper Det Pond | Significant | Not Rated | 0 | Other | |
| Kelsey Pond Dam | Low | Not Rated | 14 | Recreation |