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
Kotzebue Water Supply Dam Alaska Northwest Arctic Borough 16 Significant Unsatisfactory 1970 Water Supply
Mcconnell Lake Pennsylvania Pike 16 Significant Fair 1957 Recreation
Cold Spring Lake Dam New Jersey Passaic 16 Significant Satisfactory 1890 Recreation
Fenton Water Dam Michigan Genesee 16 Significant Fair 1935 Recreation
Thornwood Commons Pond Dam New Hampshire Strafford 16 Significant Satisfactory 1961 Fish and Wildlife Pond
Princeton Walk Dam New Jersey Middlesex 16 Significant Satisfactory 1988 Recreation
The Vineyards Water Storage Pond Washington Yakima 16 Significant — — Irrigation
Sucker Brook Bridge Pond Rhode Island Providence 16 Significant Poor — Other
Upper Tucker Pond East Dam Massachusetts Worcester 16 Significant Poor — Recreation
Wilmington Dam New York Essex 16 Significant Not Rated 1937 Other
Smith + Sayles Reservoir Rhode Island Providence 16 Significant Fair 1865 Recreation
Rich Lake Dam Indiana Allen 16 Significant Poor 1970 Recreation
Sweetheart Lake Dam Connecticut Tolland 16 Significant Satisfactory 1927 Recreation
Thompson Lake Dam Ohio Ashland 16 Significant Poor 1972 Recreation
West Lake Dam Illinois Crawford 16 Significant Not Available 1948 Recreation
Orson Pond Pennsylvania Wayne 16 Significant Fair 1849 Recreation
Northpark Pond Dam North Carolina Mecklenburg 16 Significant Fair — Recreation
Brookside Mill Dam Massachusetts Middlesex 16 Significant Fair 1862 Hydroelectric
F W Perry Dam Connecticut Fairfield 16 Significant Not Rated 1972 Recreation
Norway Lake Maine Oxford 16 Significant Fair 1930 Recreation
Reed Lake #2 Dam Tennessee Tipton 16 Significant Satisfactory 1952
Stone Lakes Dam Texas Tarrant 16 Significant Not Rated —
Sullivan Park Detention Dam New York Steuben 16 Significant Satisfactory 1982 Flood Risk Reduction
Brookwood Forest Dam North Carolina Buncombe 16 Significant Satisfactory — Recreation
Ross Pond Dam North Carolina Henderson 16 Significant Satisfactory — Recreation
Sewalls South Channel Dam New York Jefferson 16 Significant Not Rated 1978 Hydroelectric
West Lancaster Reservoir Dam Kentucky Garrard 16 Significant Poor 1940 Water Supply
Olson Flashboard Dam Oregon Yamhill 16 Significant Not Rated 1975 Irrigation
Turners Pond Dam South Carolina Bamberg 16 Significant Fair 1954 Recreation
Bayport Reservoir Dam Texas Harris 16 Significant Satisfactory 1975 Water Supply
Sunny Slope Colorado Larimer 16 Significant Fair — Irrigation
Hendricks Lake Dam North Carolina Wake 16 Significant Fair 1955 Irrigation
Manhan River Dam Massachusetts Hampshire 16 Significant Fair 1998 Recreation
Stony Point Dam New York Rockland 16 Significant Poor 1900 Water Supply
Hidden Valley Lake Dam Illinois Ogle 16 Significant Not Available 1968 Recreation
Pine Lake Park Dam New Jersey Ocean 16 Significant Satisfactory 1931 Recreation
Joyce Willing Dam South Carolina Edgefield 16 Significant Poor 1930 Recreation
Country Lakes Lower #2 Dam New Jersey Burlington 16 Significant Satisfactory 1956 Recreation
Greenburg Dam New York Dutchess 16 Significant Satisfactory 1965 Recreation
Meadows Lake Dam North Carolina Jackson 16 Significant Fair 1971 Recreation
Plymouth Notch Snowmaking Pond Vermont Windsor 16 Significant Fair 2014 Recreation
Walloon Lake Cc Dam #14 Michigan Charlevoix 16 Significant Not Rated 1989 Recreation
Armstrong Park Pond Dam Connecticut Fairfield 16 Significant Satisfactory — Recreation
Hailsboro Mill #3 Dam New York St. Lawrence 16 Significant Not Rated 1910 Hydroelectric
Lower Unionville Reservoir Dam Connecticut Hartford 16 Significant Fair — Recreation
James Pond Dam Massachusetts Worcester 16 Significant Satisfactory 1851 Recreation
New Pond Dam Massachusetts Bristol 16 Significant Fair 1810 Recreation
Harmony Lake Dam New York Dutchess 16 Significant Satisfactory 1931 Recreation
Mother Brook Diversion At Charles River Massachusetts Norfolk 16 Significant Satisfactory 1959 Flood Risk Reduction
Mirror Lakes Dam 1 South Carolina Chester 16 Significant Fair 1928 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.