Browse Dams

11,351 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,351 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
Howlands Lake Dam New York Westchester 18 Significant Poor 1895 Recreation
Reservoir No 4 Pennsylvania Cambria 18 Significant Not Rated 1993 Water Supply
East Candlewood Lake Dam Ohio Wood 18 Significant Poor 1962 Recreation
Lower Rocky Glen Dam Connecticut Fairfield 18 Significant Not Rated 1870 Recreation
Doughty Pond Dam New Jersey Atlantic 18 Significant Satisfactory 1914 Water Supply
Gaetani Dam North Carolina Buncombe 18 Significant Satisfactory — Other
Kendale Pond Dam North Carolina Henderson 18 Significant Satisfactory — Recreation
Lost Creek Dam Tennessee Henderson 18 Significant Not Available 1963 Flood Risk Reduction
Pound Pond Dam Connecticut Fairfield 18 Significant Fair — Other
Troy Town Reservoir Dam #1 North Carolina Montgomery 18 Significant Fair 1932 Other
Morris County Ymca Dam New Jersey Morris 18 Significant Satisfactory 1928 Recreation
Dee Dam North Carolina Henderson 18 Significant Satisfactory — Recreation
Southridge Road Detention Basin Iowa Marshall 18 Significant Satisfactory 1996 Flood Risk Reduction
Weber/Box Elder - D Reservoir - 900 West Utah Weber 18 Significant Not Rated 1991 Irrigation
Washburn Lake Pennsylvania Chester 18 Significant Fair 1955 Recreation
Dayton Lake Dam Michigan Berrien 18 Significant Satisfactory 1833 Recreation
Lake Quincy Dam Ohio Portage 18 Significant Fair — Recreation
Andover Lake Dam Connecticut Tolland 18 Significant Satisfactory 1926 Recreation
Big Coldstream Dam South Carolina Lexington 18 Significant Fair 1974 Recreation
Rio Hondo Lake 1 Dam Texas Bandera 18 Significant Not Rated 1969 Recreation
Highlands Golf Course Dam Nebraska Lancaster 18 Significant Satisfactory 1992 Irrigation
Hudson Springs Lake Dam Ohio Summit 18 Significant Satisfactory 1948 Recreation
Godfrey Dam New Hampshire Coos 18 Significant Satisfactory 1920 Water Supply
Oakland Pennsylvania Susquehanna 18 Significant Not Rated 1896 Recreation
Robert Ebner Pond Dam New York Delaware 18 Significant Poor 1976 Recreation
Westgate Plaza Dam North Carolina Macon 18 Significant Fair 1988 Flood Risk Reduction
Maupus Pond Dam Connecticut New Haven 18 Significant Poor 1920 Recreation
Clegg Lake (Aka Clyde Lake) Utah Wasatch 18 Significant Not Rated 1930 Irrigation
Fieldstone Lake Dam Indiana Monroe 18 Significant Poor 1998 Flood Risk Reduction
Rolling Hills Ranch Kansas Saline 18 Significant Fair 1965 Recreation
New Pond Dam Massachusetts Worcester 18 Significant Fair — Recreation
Oliver Company (Lower Pond) Maryland Washington 18 Significant Poor 1957 Recreation
Clark Lake Dam North Carolina Durham 18 Significant — 1945 Recreation
Mill Creek Dam No 1 Colorado Hinsdale 18 Significant Not Rated 1954 Recreation
Galloway Subdivision Dam North Carolina Wake 18 Significant Fair — Recreation
Lake Conewago Pennsylvania Lebanon 18 Significant Satisfactory 1919 Recreation
Knippling Stockwater No. 4 South Dakota Buffalo 18 Significant — 1953 Fire Protection, Stock, Or ...
Diamond Lake Dam North Carolina Mitchell 18 Significant Fair — Recreation
Douglas Mill Pond Dam Massachusetts Worcester 18 Significant Poor — Recreation
Oldham Upper Lake Dam #1 North Carolina Lee 18 Significant Fair — Recreation
Pawtuckaway Lake /Drowns Dam New Hampshire Rockingham 18 Significant Poor 1842 Recreation
Bear Creek No 2 Louisiana Allen 18 Significant Fair 1960 Flood Risk Reduction
Old Mill Pond Dam Massachusetts Worcester 18 Significant Poor — Recreation
Bonclarken Lake Dam North Carolina Henderson 18 Significant Satisfactory 1958 Recreation
Manti City Creek Water Users Mutual Asso Utah Sanpete 18 Significant Not Rated 2017 Other
Sumter Farm and Stock Company Alabama Sumter 18 Significant Not Rated 1943 Recreation
Finches Pond Upper Dam New York Herkimer 18 Significant Poor — Other
Champagne Shores Pond Dam Ohio Medina 18 Significant Satisfactory 1971 Recreation
Brant Lake Lower Dam New York Warren 18 Significant Satisfactory 1907 Recreation
Allen Pond Dam New York Otsego 18 Significant Poor 1917 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.