Browse Dams

12,906 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,906 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
South Fourche Lafave Wid Site 4 Arkansas Perry 90 Low Satisfactory 1981 Flood Risk Reduction
Miner's Ranch Dam California Butte 90 High Satisfactory 1962 Hydroelectric
Emerald No. 1 Back Valley Western Pennsylvania Greene 90 High Satisfactory - Other
Yahuecas Dam Puerto Rico Adjuntas 90 High Satisfactory 1956 Hydroelectric
Two Lick Creek Pennsylvania Indiana 90 High Satisfactory 1968 Grade Stabilization
Chevy Chase 1290 Reservoir California Los Angeles 90 High Satisfactory 1940 Water Supply
Jeffrey Dam Nebraska Lincoln 90 High Satisfactory 1941 Irrigation
Pso Southwestern Power Station No.3 Oklahoma Caddo 90 High Satisfactory 1957 Other
Bois D Arc Lake Dam Texas Fannin 90 High Satisfactory 2023
New Melle Quarry Missouri St. Charles 90 High Satisfactory 1999
Phoenix Lake California Marin 90 High Satisfactory 1907 Water Supply
Brush Hollow Colorado Fremont 90 High Satisfactory 1922 Irrigation
Piute Utah Piute 90 High Satisfactory 1938 Irrigation
Coleman Dam Texas Coleman 90 High Satisfactory 1966 Irrigation
Muddy Run Recreation Dam Pennsylvania Lancaster 90 Low Satisfactory 1967 Hydroelectric
Upper Shepaug Dam Connecticut Litchfield 90 High Satisfactory 1965 Water Supply
Day Creek Debris Basin California San Bernardino 90 High Satisfactory 1988 Debris Control
Weiss - Highway 411 Dike Alabama Cherokee 90 High Satisfactory 1961 Hydroelectric
East Dike South Carolina Oconee 90 High Satisfactory 1991 Hydroelectric
Emerald No. 2 Back Valley Western Pennsylvania Greene 90 High Satisfactory - Other
Camanche Dike No. 1 California Calaveras 90 High Satisfactory - Water Supply
West Peak Quarry Dam #1 Missouri Iron 90 High Satisfactory 2001 Tailings
Dam B Georgia Floyd 90 Low Satisfactory 1991 Hydroelectric
Charles Fork #17 West Virginia Roane 90 High Satisfactory 1973 Flood Risk Reduction
Lake Konstanz Dam Missouri Warren 90 High Satisfactory 1999
Oak Orchard Creek Dam New York Orleans 90 High Satisfactory 1917 Hydroelectric
Dresser No. 11 Missouri Jefferson 90 High Satisfactory 1975 Tailings
Lower Urad Colorado Clear Creek 90 High Satisfactory 1965 Water Supply
Leesville Virginia Pittsylvania 90 High Satisfactory 1963 Hydroelectric
Hillview Reservoir Dam New York Westchester 90 High Satisfactory 1915 Water Supply
Camanche Dike No. 2 California San Joaquin 90 High Satisfactory - Water Supply
Empire Mine Tertiary Pond Dam Michigan Marquette 90 Low Satisfactory 1975 Other
Lake Coronado Dam Arkansas Saline 90 Significant Satisfactory 1976 Recreation
Weiss - Spillway Diversion Dam Alabama Cherokee 90 High Satisfactory 1961 Hydroelectric
Aps Ash Pond Tailings Dam No. 6 New Mexico San Juan 90 Low Satisfactory 1983 Tailings
Lake Gregory California San Bernardino 90 High Satisfactory 1938 Water Supply
Adobe Arizona Maricopa 89 High Satisfactory 1982 Flood Risk Reduction
Lake Arlington Dam Texas Tarrant 89 High Satisfactory 1957 Water Supply
Mill Creek No.13 West Virginia Jackson 89 High Satisfactory 1986 Flood Risk Reduction
Maple River Dam North Dakota Cass 89 High Satisfactory 2006 Flood Risk Reduction
Lynx Lake Arizona Yavapai 89 High Satisfactory 1962 Fish and Wildlife Pond
Mahoney Pond Vermont Bennington 89 High Satisfactory 1997 Recreation
Lake Madigan California Solano 89 High Satisfactory 1908 Water Supply
Lost River #4 Dam West Virginia Hardy 89 High Satisfactory 1996 Flood Risk Reduction
Hunting Run Dam Virginia Spotsylvania 89 High Satisfactory - Water Supply
Swan Falls Idaho Ada 88 High Satisfactory 1901 Hydroelectric
Colstrip Evaporation Pond Dam Montana Rosebud 88 High Satisfactory 1976 Other
Bristlecone Colorado El Paso 88 Significant Satisfactory 1986 Recreation
Long Draw Colorado Larimer 88 High Satisfactory 1975 Irrigation
C.L. Tilden Park California Contra Costa 88 High Satisfactory 1938 Other

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.