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
Still Branch Reservoir Dam Georgia Pike 88 High Satisfactory -
C.L. Tilden Park California Contra Costa 88 High Satisfactory 1938 Other
Colstrip Evaporation Pond Dam Montana Rosebud 88 High Satisfactory 1976 Other
Long Draw Colorado Larimer 88 High Satisfactory 1975 Irrigation
Little Schuylkill River (Pa-422) Pennsylvania Schuylkill 87 High Satisfactory 1968 Flood Risk Reduction
Bullhook Dam Montana Hill 87 High Satisfactory 1955 Flood Risk Reduction
Lunice Creek No. 10 West Virginia Grant 87 High Satisfactory 1970 Flood Risk Reduction
Heitz California Napa 87 High Satisfactory 1991 Other
Pocatalico Structure No.28 West Virginia Jackson 87 High Satisfactory 1987 Flood Risk Reduction
Nine Mile Washington Spokane 87 High Satisfactory 1908 Hydroelectric
Howard Creek No. 12 Dam West Virginia Greenbrier 87 High Satisfactory 1995 Flood Risk Reduction
Spencer Lake California San Mateo 87 High Satisfactory 1876 Flood Risk Reduction
Dry Comal Ck FRS 11 Texas Comal 87 High Satisfactory 2012
Pleasant Valley California Inyo 87 High Satisfactory 1957 Other
Pedlar River Dam Virginia Amherst 87 High Satisfactory - Water Supply
Frd No 36 Kansas Elk 87 Significant Satisfactory 1974 Flood Risk Reduction
Upper Cibolo Creek WS SCS Site 1 Dam Texas Kendall 87 High Satisfactory 1978 Flood Risk Reduction
Yates Alabama Elmore 87 High Satisfactory 1928 Hydroelectric
Green Lane Reservoir Pennsylvania Montgomery 87 High Satisfactory 1957 Water Supply
Pine Creek California Contra Costa 87 High Satisfactory 1956 Flood Risk Reduction
Newport Landing Dam Nebraska Douglas 87 High Satisfactory 2000 Flood Risk Reduction
Ira Holliman Tailings Impoundment Dam Georgia Wilkinson 87 High Satisfactory 2003 Tailings
Upper Hollywood California Los Angeles 87 Low Satisfactory 1933 Other
North Fork Hughes River Site 21c Dam West Virginia Ritchie 86 High Satisfactory 2002 Flood Risk Reduction
Point of Rocks Colorado Logan 86 High Satisfactory 1948 Irrigation
Caples Lake Main Dam California Alpine 86 High Satisfactory 1923 Hydroelectric
Foothill Park California Santa Clara 86 High Satisfactory 1988 Water Supply
Cedar Creek Dam Kentucky Lincoln 86 High Satisfactory 1999 Recreation
Lake Thunderbird Dam Arkansas Marion 86 High Satisfactory 1962 Recreation
Pa-486 Pennsylvania Washington 86 High Satisfactory 1979 Flood Risk Reduction
Ler Sunset Debris Basin California Los Angeles 86 High Satisfactory 1963 Debris Control
Aps Lined Decant Water Pond New Mexico San Juan 86 Significant Satisfactory 2003 Tailings
Shannondale Club Ltd. Dam West Virginia Jefferson 86 Significant Satisfactory 1965 Recreation
Mt Ida Water Supply Dam Arkansas Montgomery 86 High Satisfactory 1991 Water Supply
Weiss - Main Dam Alabama Cherokee 86 High Satisfactory 1961 Hydroelectric
Still Creek Pennsylvania Schuylkill 86 High Satisfactory 1935 Water Supply
Humphreys Colorado Mineral 85 High Satisfactory 1923 Hydroelectric
Granville Reservoir Dam Massachusetts Hampden 85 High Satisfactory 1930 Water Supply
Las Cruces Dam New Mexico Doña Ana 85 High Satisfactory 1975 Flood Risk Reduction
Vivi Dam Puerto Rico Utuado 85 High Satisfactory 1950 Hydroelectric
Wheeling Creek #3 West Virginia Marshall 85 High Satisfactory 1995 Flood Risk Reduction
Ward Lake Dam Arkansas Polk 85 High Satisfactory 1946 Flood Risk Reduction
Blackwell Mine Dam Missouri Washington 85 High Satisfactory 1980 Tailings
Lake Monticello Dam Virginia Fluvanna 85 High Satisfactory - Recreation
West Branch Dam New York Putnam 85 High Satisfactory 1895 Water Supply
Pitch Reservoir Dam Connecticut Litchfield 85 High Satisfactory 1944 Water Supply
Lake Fork Dam Texas Wood 85 High Satisfactory 1980 Water Supply
Amawalk Dam New York Westchester 85 High Satisfactory 1897 Water Supply
Wachusett Reservoir North Dike Massachusetts Worcester 85 High Satisfactory 1904 Water Supply
Scott Candler Reservoir #3 Dam Georgia Gwinnett 85 High Satisfactory -

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.