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Browse Dams

1,289 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,289 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.

Name State County Height (ft) Hazard Condition Year Purpose
Hopeville Pond Dam Connecticut New London 18 Significant Satisfactory 1910 Recreation
Jepps Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Highland Pond Dam Connecticut Middlesex 18 Significant Satisfactory 1875 Irrigation
Rizzo Pond Dam Connecticut Litchfield 18 Low Satisfactory 1964 Recreation
Silvermine Dam Connecticut Fairfield 18 Significant Fair — Recreation
Rimmon Dam Connecticut New Haven 18 Significant Not Rated 1900 Recreation
Ladner Pond Dam Connecticut Litchfield 18 Significant Satisfactory 1965 Recreation
Lee'S Pond Dam Connecticut Fairfield 18 Significant Poor 1903 Recreation
Rubber Pond Dam Connecticut New London 18 Significant Not Rated — Recreation
Mill Pond Dam Connecticut Middlesex 18 High Fair 1721 Recreation
Morosani Pond #2 Dam Connecticut Litchfield 18 Low Not Rated 1971 Recreation
Mathers Pond Dam Connecticut Fairfield 18 Significant Satisfactory 1921 Recreation
Savin Lake Dam Connecticut New London 18 Significant Fair 1920 Recreation
Great Hill Road Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Lower Hart Ponds Dam Connecticut Hartford 18 High Satisfactory 1920 Water Supply
Old Daniels Dam Connecticut Windham 18 Significant Satisfactory 1880 Recreation
Mechanicsville Connecticut Windham 18 Low Satisfactory 1900 Hydroelectric
Wepawaug Reservoir Dam Connecticut New Haven 18 Significant Satisfactory 1911 Water Supply
Poquonnock Reservoir Dam Connecticut New London 18 High Satisfactory 1901 Water Supply
Towantic Pond Dam Connecticut New Haven 18 Significant Poor 1870 Recreation
Red Mill Pond Dam Connecticut New London 18 Significant Satisfactory — Other
Lithuanian Scout Association Pond Dam Connecticut New London 18 Significant Satisfactory — Recreation
Morosani Pond #1 Dam Connecticut Litchfield 18 Significant Satisfactory 1969 Fish and Wildlife Pond
Bendels Pond Dam Connecticut Fairfield 18 Significant Satisfactory — Recreation
East Pond Dam Connecticut Fairfield 18 Significant Poor — Recreation
Upper Collinsville Connecticut Hartford 18 Significant Satisfactory 1837
Beaver Brook Dam Connecticut New Haven 17 Significant Not Rated 1897 Recreation
Gunsight Pond Dam Connecticut Middlesex 17 Significant Fair — Irrigation
North Pond Reservoir Dikes Connecticut Litchfield 17 High Satisfactory — Water Supply
Foster Pond Dam Connecticut Middlesex 17 Significant Satisfactory 1900 Recreation
Chestnut Brook Dam Connecticut Middlesex 17 Significant Satisfactory — Recreation
Fairy Lake Dike Connecticut New London 17 Significant Fair 1957 Water Supply
Ross Pond Dam Connecticut Windham 17 Significant Satisfactory 1900 Recreation
Cedar Lake Dam Connecticut New Haven 17 Significant Satisfactory 1869 Recreation
Plainville Reservoir Dam Connecticut Hartford 17 High Satisfactory 1884 Water Supply
Williams Pond Dam Connecticut Hartford 17 High Poor 1900 Recreation
Ulbrich Reservoir Dam Connecticut New Haven 17 High Satisfactory 1966 Water Supply
Windsorville Pond Dam Connecticut Hartford 17 Significant Fair 1880 Recreation
Spooner Connecticut Litchfield 17 Low Satisfactory 1902 Hydroelectric
Millard Pond Dam Connecticut Fairfield 17 Significant Satisfactory — Recreation
Mill Street Dam Connecticut Hartford 17 Significant Fair — Recreation
Pachaug Pond Dam Connecticut New London 17 High Fair 1888 Fish and Wildlife Pond
Burr Pond Dam Connecticut Litchfield 17 High Satisfactory 1935 Recreation
Lake Garda Dam Connecticut Hartford 17 Significant Satisfactory 1930 Recreation
Margerie Lake Reservoir North Dike Connecticut Fairfield 17 High Satisfactory — Water Supply
New Hartford Reservoir Dam Connecticut Litchfield 17 Significant Not Rated — Recreation
High Hill Pond Dam Connecticut New Haven 17 Significant Satisfactory 1968 Recreation
Pickerel Lake Dam Connecticut Middlesex 17 Significant Poor 1870 Recreation
Bog Meadow Reservoir Dam Connecticut New London 17 Significant Poor 1893 Recreation
Gills Pond Dam Connecticut Hartford 17 Significant Not Rated — Recreation

Frequently Asked Questions

Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.

Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.

Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.