Browse Dams

1,316 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,316 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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Zeiner Pond Dam Connecticut Litchfield 20 Significant Satisfactory 1911 Recreation
Shelton Reservoir #3 Dam Connecticut Fairfield 20 Significant Fair 1915 Water Supply
Twin Lakes Dam Connecticut Litchfield 20 Significant Not Rated 1900 Recreation
Blast & Cast Pond Dam Connecticut Hartford 20 Significant Satisfactory 1953 Recreation
Ragged Hill Pond Dam Connecticut Windham 20 Significant Fair - Recreation
Stiles Pond Dam (Deleted) Connecticut New London 20 Significant Not Rated 1870 Recreation
Deuses Pond Dam Connecticut Middlesex 20 Significant Satisfactory 1916 Hydroelectric
Ivy Mountain Dam Connecticut Litchfield 20 Low Fair - Recreation
Mirror Lake Dam Connecticut New Haven 20 Significant Satisfactory 1949 Recreation
Bristol Fish & Game Club Dam Connecticut New Haven 20 Significant Satisfactory 1961 Recreation
Big Pond Dam Connecticut Windham 20 High Satisfactory 1870 Recreation
Whites Pond Dam Connecticut Hartford 20 Significant Fair 1926 Recreation
Terryville Reservoir #3 Dam Connecticut Litchfield 20 Significant Fair 1920 Water Supply
Cold Spring Flood Control Site #9 Dam Connecticut Hartford 20 High Satisfactory - Flood Risk Reduction
West Side Flood Control Dam #5 Connecticut Litchfield 20 High Satisfactory 1970 Flood Risk Reduction
Upper Pond Dam Connecticut Litchfield 20 Significant Fair 1880 Recreation
Avery Flood Control Site #1 Dam Connecticut Hartford 20 High Satisfactory 1992 Flood Risk Reduction
Brunswick Connecticut Windham 19 Low Fair 1891 Hydroelectric
Rose Hill Ave Pond Dam Connecticut Fairfield 19 Significant Fair - Other
Bloomfield Flood Control Site #3 Dike Connecticut Hartford 19 High Satisfactory - Flood Risk Reduction
Talcott Reservoir Diversion Dike #2 Connecticut Hartford 19 High Satisfactory - Flood Risk Reduction
Quaddick Reservoir Dam Connecticut Windham 19 High Satisfactory 1900 Recreation
Bulls Bridge Canal Spillway Connecticut Litchfield 19 Low Satisfactory 1902 Hydroelectric
Far Mill River Dam Connecticut Fairfield 19 Significant Satisfactory - Recreation
Sterling Pond Dam Connecticut Windham 19 High Satisfactory 1870 Recreation
Billings Avery Dam Connecticut New London 19 Significant Satisfactory 1968 Water Supply
Norwich State Hospital Pond Dam Connecticut New London 19 Significant Satisfactory - Recreation
Hatchery Pond Dam Connecticut New Haven 19 Significant Fair - Other
Mill Pond Dam Connecticut Hartford 19 Significant Satisfactory 1677 Recreation
Hoadley Pond Dam Connecticut New Haven 19 Significant Satisfactory 1873 Water Supply
Morey Pond Dam Connecticut Windham 19 Significant Satisfactory 1870 Recreation
West Thompson Dam - Reardon Road Dike Connecticut Windham 19 High Not Available 1965 Flood Risk Reduction
Gay Cemetery Pond Dam Connecticut New London 19 Significant Poor 1920 Recreation
Talcott Flood Control Dam #2 Connecticut Hartford 19 High Satisfactory 1964 Flood Risk Reduction
Glenville Pond Dam Connecticut Tolland 19 Significant Fair 1842 Recreation
Island Brook Lagoon Dam Connecticut Fairfield 19 High Fair - Recreation
Quillinan Reservoir Dam Connecticut New Haven 19 High Fair 1880 Recreation
Lower Hart Ponds Dam Connecticut Hartford 18 High Satisfactory 1920 Water Supply
Red Cedar Lake Dike Connecticut New London 18 Significant Satisfactory - Recreation
Lower Ansonia Reservoir Dam Connecticut New Haven 18 High Satisfactory 1887 Water Supply
Pound Pond Dam Connecticut Fairfield 18 Significant Fair - Other
Silvermine Dam Connecticut Fairfield 18 Significant Fair - Recreation
Ladner Pond Dam Connecticut Litchfield 18 Significant Satisfactory 1965 Recreation
Eagleville Dam Connecticut Tolland 18 High Fair 1860 Recreation
Great Hill Road Pond Dam Connecticut New Haven 18 Significant Satisfactory - Recreation
Morosani Pond #2 Dam Connecticut Litchfield 18 Low Not Rated 1971 Recreation
Moodus Reservoir Dam Connecticut Middlesex 18 Significant Satisfactory 1882 Recreation
Hale Dam Connecticut Windham 18 Significant Not Rated 1900 Recreation
Old Daniels Dam Aka Warsaw Dam Connecticut Windham 18 Significant Satisfactory 1880 Recreation
Towantic Pond Dam Connecticut New Haven 18 Significant Satisfactory 1870 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.