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.

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Name State County Height (ft) Hazard Condition Year Purpose
Rubber Pond Dam Connecticut New London 18 Significant Not Rated — Recreation
Addison Pond Dam Connecticut Hartford 18 Significant Not Rated 1820 Recreation
East Pond Dam Connecticut Fairfield 18 Significant Poor — Recreation
Lower Ansonia Reservoir Dam Connecticut New Haven 18 High Satisfactory 1887 Water Supply
Mechanicsville Connecticut Windham 18 Low Satisfactory 1900 Hydroelectric
Morosani Pond #2 Dam Connecticut Litchfield 18 Low Not Rated 1971 Recreation
Lower Hart Ponds Dam Connecticut Hartford 18 High Satisfactory 1920 Water Supply
Hopeville Pond Dam Connecticut New London 18 Significant Satisfactory 1910 Recreation
Savin Lake Dam Connecticut New London 18 Significant Fair 1920 Recreation
Highland Pond Dam Connecticut Middlesex 18 Significant Satisfactory 1875 Irrigation
Lake Naraneka Dam Connecticut Fairfield 18 Significant Satisfactory 1937 Recreation
Southington Reservoir #1 Dam Connecticut Hartford 18 Significant Satisfactory — Water Supply
Mill Pond Dam Connecticut Middlesex 18 High Fair 1721 Recreation
Jepps Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Lower Rocky Glen Dam Connecticut Fairfield 18 Significant Not Rated 1870 Recreation
Rimmon Dam Connecticut New Haven 18 Significant Not Rated 1900 Recreation
Lee'S Pond Dam Connecticut Fairfield 18 Significant Poor 1903 Recreation
Silvermine Dam Connecticut Fairfield 18 Significant Fair — Recreation
Rug Brook Reservoir Southeast Dike Connecticut Litchfield 18 Significant Satisfactory — Other
Red Mill Pond Dam Connecticut New London 18 Significant Satisfactory — Other
Great Hill Road Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Rizzo Pond Dam Connecticut Litchfield 18 Low Satisfactory 1964 Recreation
Lithuanian Scout Association Pond Dam Connecticut New London 18 Significant Satisfactory — Recreation
Ladner Pond Dam Connecticut Litchfield 18 Significant Satisfactory 1965 Recreation
Towantic Pond Dam Connecticut New Haven 18 Significant Poor 1870 Recreation
Maupus Pond Dam Connecticut New Haven 18 Significant Poor 1920 Recreation
Ross Pond Dam Connecticut Windham 17 Significant Satisfactory 1900 Recreation
Chestnut Brook Dam Connecticut Middlesex 17 Significant Satisfactory — Recreation
Burr Pond Dam Connecticut Litchfield 17 High Satisfactory 1935 Recreation
Windsorville Pond Dam Connecticut Hartford 17 Significant Fair 1880 Recreation
New Hartford Reservoir Dam Connecticut Litchfield 17 Significant Not Rated — Recreation
Five Mile Connecticut Windham 17 Significant Satisfactory 1855 Hydroelectric
Plainville Reservoir Dam Connecticut Hartford 17 High Satisfactory 1884 Water Supply
Cedar Lake Dam Connecticut New Haven 17 Significant Satisfactory 1869 Recreation
North Pond Reservoir Dikes Connecticut Litchfield 17 High Satisfactory — Water Supply
Lake Garda Dam Connecticut Hartford 17 Significant Satisfactory 1930 Recreation
Spooner Connecticut Litchfield 17 Low Satisfactory 1902 Hydroelectric
Beaver Brook Dam Connecticut New Haven 17 Significant Not Rated 1897 Recreation
Gunsight Pond Dam Connecticut Middlesex 17 Significant Fair — Irrigation
Foster Pond Dam Connecticut Middlesex 17 Significant Satisfactory 1900 Recreation
Ulbrich Reservoir Dam Connecticut New Haven 17 High Satisfactory 1966 Water Supply
Pickerel Lake Dam Connecticut Middlesex 17 Significant Poor 1870 Recreation
Millard Pond Dam Connecticut Fairfield 17 Significant Satisfactory — Recreation
High Hill Pond Dam Connecticut New Haven 17 Significant Satisfactory 1968 Recreation
Bog Meadow Reservoir Dam Connecticut New London 17 Significant Poor 1893 Recreation
Fairy Lake Dike Connecticut New London 17 Significant Fair 1957 Water Supply
Margerie Lake Reservoir North Dike Connecticut Fairfield 17 High Satisfactory — Water Supply
Gills Pond Dam Connecticut Hartford 17 Significant Not Rated — Recreation
Williams Pond Dam Connecticut Hartford 17 High Poor 1900 Recreation
Mill Street Dam Connecticut Hartford 17 Significant Fair — 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.