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
Moore'S Lagoon Dam North Carolina Nash 18 Significant — — Other
C C Gilbert Alabama Chilton 18 Significant Not Rated 1968 Fish and Wildlife Pond
Old Daniels Dam Connecticut Windham 18 Significant Satisfactory 1880 Recreation
Willard Creek Debris Basin Utah Box Elder 18 Significant Not Rated — Flood Risk Reduction
Timberlake Dam A North Carolina Wake 18 Significant Fair — Recreation
C Shuptrine Alabama Dallas 18 Significant Not Rated 1945 Recreation
Helms Lake Dam North Carolina Union 18 Significant Fair 1972 Recreation
Greenwater Pond Dam Massachusetts Berkshire 18 Significant Fair 1944 Recreation
Mountain Brook Reservoir Dam New Hampshire Cheshire 18 Significant Fair 1951 Recreation
Ballingers Mill Pond Dam New Jersey Salem 18 Significant Poor 1929 Recreation
Jepps Pond Dam Connecticut New Haven 18 Significant Satisfactory — Recreation
Clear Springs Cs-1 Florida Polk 18 Significant Not Rated 1950 Tailings
Slatersville Reservoir Lower Rhode Island Providence 18 Significant Fair 1886
Swede Pond Dam Connecticut Hartford 18 Significant Poor — Recreation
Clear Springs Cs-3 Florida Polk 18 Significant Not Rated 1954 Tailings
Broadacres Lake Dam North Carolina Richmond 18 Significant Fair 1934 Recreation
Lower Wilson Pond Dam New Hampshire Cheshire 18 Significant Satisfactory 1925 Recreation
Crystal Lake Colorado Otero 18 Significant Unsatisfactory — Recreation
Highland Pond Dam Connecticut Middlesex 18 Significant Satisfactory 1875 Irrigation
Murphy Foundation Dam New York Schoharie 18 Significant Poor — Recreation
Bomb Range Dam South Dakota Fall River 18 Significant — 1951 Fire Protection, Stock, Or ...
Erickson Dam Washington Clark 18 Significant Poor 1968 Irrigation
Mathers Pond Dam Connecticut Fairfield 18 Significant Satisfactory 1921 Recreation
Grandy Wyoming Fremont 18 Significant Fair 1957 Irrigation
Mustang Creek California Merced 18 Significant Satisfactory 1975 Flood Risk Reduction
Rimmon Dam Connecticut New Haven 18 Significant Not Rated 1900 Recreation
George Weathersbee Georgia Dodge 18 Significant Not Available 1979 Fish and Wildlife Pond
Sd Noname 134 South Dakota Fall River 18 Significant — 1951 Fire Protection, Stock, Or ...
Rastoka Pennsylvania Greene 18 Significant Fair — Recreation
Naultaug Brook Pond Dam Massachusetts Worcester 18 Significant Fair — Recreation
Dry Draw Dam South Dakota Fall River 18 Significant — 1920 Fire Protection, Stock, Or ...
East Pond Dam Connecticut Fairfield 18 Significant Poor — Recreation
Noanet Pond Dam Massachusetts Norfolk 18 Significant Satisfactory 1963 Recreation
Hopkinton Sewage Lagoon Dam New Hampshire Merrimack 18 Significant Satisfactory 1983 Other
Borden Estate Dam New York Orange 18 Significant Poor 1912 Fire Protection, Stock, Or ...
Spring Hill Pennsylvania Cumberland 18 Significant Not Rated 1970 Recreation
Louis Simpson Dam South Carolina York 18 Significant Poor 1965 Recreation
Tree Top Prosser Lagoons 2 & 3 Washington Benton 18 Significant Fair 1991 Other
Onteora Pond Dam New York Greene 18 Significant Poor 1924 Irrigation
North Ottawa Minnesota Grant 18 Significant Satisfactory 2008 Flood Risk Reduction
Werner Ranch Site Wyoming Converse 18 Significant Fair 1982 Other
Carroll'S of Warsaw Dam North Carolina Sampson 18 Significant Fair 1979 Other
Comins Pond Dam Massachusetts Worcester 18 Significant Fair 1957 Recreation
West Brook Dam New York Delaware 18 Significant Fair 1888 Other
Lost Creek Pennsylvania Somerset 18 Significant Fair 1954 Recreation
Sand Run Lake West Virginia Tucker 18 Significant Satisfactory 1978 Recreation
Hilda Norman Dam 3 Nebraska Sioux 18 Significant Poor 1961 Irrigation
F. Smith Dam Florida Gadsden 18 Significant Not Rated 1955 Recreation
Southington Reservoir #1 Dam Connecticut Hartford 18 Significant Satisfactory — Water Supply
Valley View Pennsylvania Pike 18 Significant Fair 1956 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.