Browse Dams

12,908 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,908 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
Yards Creek Lower - Main Dam New Jersey Warren 55 High Satisfactory 1965 Hydroelectric
Little Raccoon Dam No. 2c - Rockville Dam Indiana Parke 55 High Satisfactory 1971 Flood Risk Reduction
Lost Creek Watershed Site C-2 Missouri Newton 55 High Satisfactory 1992 Flood Risk Reduction
Scott Candler Reservoir Dam #1 Georgia DeKalb 55 High Satisfactory 1940 Water Supply
Halsey Forebay No. 2 California Placer 55 High Satisfactory 1913 Hydroelectric
Milton Lake Colorado Weld 55 High Satisfactory 1911 Irrigation
Chief Creek Dam Tennessee Lewis 55 Significant Satisfactory 1970
Cedar-Piney Creeks Watershed Site 3 Arkansas Yell 55 High Satisfactory 1994 Flood Risk Reduction
South Fork 2-A Nebraska Pawnee 55 Low Satisfactory 1983 Flood Risk Reduction
Boyertown Reservoir Pennsylvania Berks 55 High Satisfactory 1929 Water Supply
Upper Brushy Creek WS SCS Site 4 Dam Texas Williamson 55 High Satisfactory 1960 Flood Risk Reduction
Upper Brushy Creek WS SCS Site 3 Dam Texas Williamson 55 High Satisfactory 1962 Flood Risk Reduction
Bailey No 1 South Saddle Dike Pennsylvania Greene 55 Low Satisfactory 2004 Other
Sleeter Lake Dam Virginia Loudoun 55 High Satisfactory - Irrigation
Neifert Creek (Pa-422a) Pennsylvania Schuylkill 55 High Satisfactory 1968 Flood Risk Reduction
South Fourche Lafave Wid Site 8 Arkansas Perry 55 Low Satisfactory 1986 Flood Risk Reduction
Calero California Sacramento 55 High Satisfactory 1982 Water Supply
Point View Dam New Jersey Passaic 55 High Satisfactory 1964 Recreation
Portland #5 (Mt.Tabor) Oregon Multnomah 55 High Satisfactory 1911 Water Supply
Polk Creek No.9 West Virginia Lewis 55 High Satisfactory 1965 Flood Risk Reduction
Johnson Colorado La Plata 55 High Satisfactory 1982 Water Supply
Toreson California Modoc 55 Significant Satisfactory 1898 Water Supply
Eagle Ranch California San Luis Obispo 55 High Satisfactory 1974 Other
Moraine State Park Pennsylvania Butler 55 High Satisfactory 1968 Recreation
Westgate Detention Dam New Mexico Bernalillo 55 High Satisfactory 1976 Flood Risk Reduction
Raintree Lake Dam Missouri Cass 55 High Satisfactory 1974 Recreation
Jennings Creek #13 Dam Tennessee Jackson 55 High Satisfactory 1962
Hamburg Watershed Site M-1 Iowa Fremont 55 High Satisfactory 1961 Flood Risk Reduction
Douthat Lake Dam Virginia Bath 55 High Satisfactory - Recreation
Grinding Rock California Tuolumne 55 Low Satisfactory 1979 Water Supply
Deer Lake No 1 (Upper) Kentucky Scott 55 Significant Satisfactory 1988 Recreation
Indian Farms Arizona Graham 55 High Satisfactory 1981 Flood Risk Reduction
Belle Creek R-2 Minnesota Goodhue 55 High Satisfactory 1983 Flood Risk Reduction
Sutro Reservoir California San Francisco 55 High Satisfactory 1952 Water Supply
Watkins Mill State Park Dam Missouri Clay 55 High Satisfactory 1971 Recreation
Mill Creek No.5 West Virginia Jackson 55 High Satisfactory 1976 Flood Risk Reduction
Abert Water Plant - Sludge Lagoon Dam Virginia Bedford 55 High Satisfactory - Other
Lake Manatee Dam Florida Manatee 55 High Satisfactory 1967 Water Supply
Tekamah-Mud Creek 42-A Nebraska Burt 55 Significant Satisfactory 1995 Flood Risk Reduction
Bear Creek Diversion California Fresno 55 Low Satisfactory 1927 Hydroelectric
Schubin California El Dorado 55 Significant Satisfactory 1952 Other
Swan Creek 20 Nebraska Saline 55 High Satisfactory 1987 Flood Risk Reduction
Maneman-Haveman Dam Nebraska Cass 55 Low Satisfactory 1997 Flood Risk Reduction
Wellington Nap D-21a Missouri Lafayette 55 High Satisfactory 1973 Flood Risk Reduction
Lake Sheila Dam North Carolina Henderson 55 High Satisfactory 1964 Recreation
Big Sand Wash West Utah Duchesne 55 High Satisfactory 2006 Irrigation
Holtwood Pennsylvania Lancaster 55 Low Satisfactory 1910 Hydroelectric
Reelfoot-Indian Creek #18 Dam Tennessee Obion 55 High Satisfactory 1987 Other
Central California Alameda 55 High Satisfactory 1910 Water Supply
Lower Little Black G-2 Dam Missouri Ripley 55 High Satisfactory 1999

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.