Browse Dams

13,008 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,008 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
Borax Solar Evaporation Ponds California Kern 18 Low Satisfactory 1984 Water Supply
Hollybrook Lake Dam Indiana Owen 18 High Satisfactory 1940 Recreation
Old Daniels Dam Connecticut Windham 18 Significant Satisfactory 1880 Recreation
Leesburg South Regional Swm Pond Dam Virginia Loudoun 18 High Satisfactory — Flood Risk Reduction
The Lakes At Red Rock Dam Virginia Loudoun 18 High Satisfactory — Recreation
Wrights Reservoir Dam Massachusetts Worcester 18 High Satisfactory 1965 Flood Risk Reduction
Grove Dam 2048 Nebraska Nuckolls 18 Low Satisfactory 1962 Fire Protection, Stock, Or ...
Argo Dam Michigan Washtenaw 18 High Satisfactory 1920 Recreation
Allentown Dam New Jersey Monmouth 18 High Satisfactory — Recreation
Jepps Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Structure P-3 Florida Polk 18 High Satisfactory 1965 Flood Risk Reduction
Buckaroo Freshwater Cell Wyoming Laramie 18 Low Satisfactory 2018 Irrigation
Loudonville Reservoir Dam New York Albany 18 High Satisfactory 1936 Water Supply
Seeley Lake Colorado Weld 18 Low Satisfactory 1902 Irrigation
Millecoquins Creek Dam Michigan Mackinac 18 Low Satisfactory 1965 Recreation
Johnson Dam Nebraska Sheridan 18 Low Satisfactory 1980 Fire Protection, Stock, Or ...
Lower Wilson Pond Dam New Hampshire Cheshire 18 Significant Satisfactory 1925 Recreation
Highland Pond Dam Connecticut Middlesex 18 Significant Satisfactory 1875 Irrigation
Lake Whittemore Dam Massachusetts Worcester 18 High Satisfactory — Recreation
Foxton Lake Pennsylvania Susquehanna 18 Low Satisfactory 1874 Recreation
Mathers Pond Dam Connecticut Fairfield 18 Significant Satisfactory 1921 Recreation
Irving Michigan Barry 18 Low Satisfactory 1939 Hydroelectric
Mustang Creek California Merced 18 Significant Satisfactory 1975 Flood Risk Reduction
Smithson Oklahoma Pittsburg 18 High Satisfactory 1930 Other
Sheppards Mill Pond Dam New Jersey Cumberland 18 Low Satisfactory 1885 Recreation
Lake Forrest Subdiv Lake Dam Mississippi DeSoto 18 Undetermined Satisfactory — Recreation
Noanet Pond Dam Massachusetts Norfolk 18 Significant Satisfactory 1963 Recreation
Hopkinton Sewage Lagoon Dam New Hampshire Merrimack 18 Significant Satisfactory 1983 Other
Smith Dam 1191 Nebraska Red Willow 18 Low Satisfactory 1935 Flood Risk Reduction
Manitou Properties Dam 2 Michigan Hillsdale 18 Low Satisfactory 1972 Recreation
Kanter Larsen Dam Nebraska Deuel 18 Low Satisfactory 1981 Other
Turkey Road Dam Nebraska Sarpy 18 Low Satisfactory 1997 Other
Bass Lake California Siskiyou 18 Low Satisfactory 1949 Water Supply
Newman Lake Dam Virginia Harrisonburg 18 High Satisfactory — Flood Risk Reduction
Orchid Lake Dam Virginia Louisa 18 Low Satisfactory 1966 Recreation
Linwood Pond Dam Massachusetts Worcester 18 High Satisfactory 1865 Recreation
Witt Feedyard Lagoon Dam Nebraska Polk 18 Low Satisfactory 2007 Other
North Ottawa Minnesota Grant 18 Significant Satisfactory 2008 Flood Risk Reduction
Mill Pennsylvania York 18 High Satisfactory 1863 Grade Stabilization
Pohopoco Creek Pennsylvania Carbon 18 Low Satisfactory 1909 Recreation
Shepherd Lake Dam New Jersey Passaic 18 Low Satisfactory — Recreation
Sand Run Lake West Virginia Tucker 18 Significant Satisfactory 1978 Recreation
Edisto Pond Dam South Carolina Bamberg 18 Low Satisfactory 1956 Recreation
Sunrise River Minnesota Chisago 18 Low Satisfactory 1885 Recreation
Heritage Park; Dam A Kansas Johnson 18 Low Satisfactory — Irrigation
Okauchee Lake Wisconsin Waukesha 18 Low Satisfactory 1961 Recreation
Southington Reservoir #1 Dam Connecticut Hartford 18 Significant Satisfactory — Water Supply
Hickory Hills Lake Dam Massachusetts Worcester 18 High Satisfactory — Recreation
Marston Lake - Northwest Dike Colorado Denver 18 High Satisfactory 1899 Water Supply
Bedford - Canal Embankment Virginia Amherst 18 Low Satisfactory 1850 Hydroelectric

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.