Browse Dams

7,892 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 7,892 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
Silver Hook Lake Dam Indiana Brown 52 Significant Poor 1976
Second Creek WS Str No. 7 Dam Mississippi Adams 52 High Poor 1966 Flood Risk Reduction
Ajies Dam Structure 2a Puerto Rico Añasco 52 High Poor 1984 Flood Risk Reduction
Mcpherson State Fishing Lake Dam Improvements Kansas McPherson 51 High Poor 1954 Recreation
Emigrant Process Ponds Dam Nevada Elko 51 Low Poor 2012 Other
Jensen Dam 1623 Nebraska Washington 51 Low Poor 1974 Other
Strader Lake Dam Ohio Clermont 51 Significant Poor 1954 Recreation
Polaris Wyoming Laramie 51 Significant Poor 1909 Irrigation
Upper Helemano Reservoir Hawaii Honolulu 51 High Poor 1912 Irrigation
Delaney Creek Dam No. 3 Indiana Washington 51 High Poor 1973 Flood Risk Reduction
Melzingah Dam New York Dutchess 51 High Poor 1924 Water Supply
Apache Brazito Mesquite Dam No. 3 New Mexico Doña Ana 51 High Poor 1964 Flood Risk Reduction
International Animal Preserve Pond Dam Ohio Muskingum 51 Significant Poor - Water Supply
Kaneha Reservoir Hawaii Kauai 51 High Poor 1910 Irrigation
Detention 1593 #3 Dam Wyoming Carbon 51 Low Poor 1957 Debris Control
Willow Lake Dam Georgia Fulton 51 High Poor 1974 Recreation
Frd No 31 Kansas Douglas 51 High Poor 1971 Flood Risk Reduction
Jocko Montana Missoula 51 High Poor 1937 Irrigation
Lake Susquehanna Pennsylvania Luzerne 51 High Poor 1973 Recreation
Southern Hills Lake Dam Indiana Clark 51 High Poor 1971 Recreation
Rc&D Project Measure 83 Dam New Mexico Taos 51 High Poor 1967 Flood Risk Reduction
Emerson Produce Reservoir Dam & Dike New York Yates 50 Significant Poor 1962 Recreation
Twin Valley Lakes - East Dam Iowa Johnson 50 Significant Poor 1965
Ipuolono Reservoir Hawaii Kauai 50 High Poor 1910 Irrigation
Hughes California Monterey 50 Low Poor 1966 Fire Protection, Stock, Or ...
Windmill No. 1 Wyoming Niobrara 50 Low Poor 1956 Fire Protection, Stock, Or ...
Sun Valley Detention Dam Nevada Washoe 50 High Poor - Flood Risk Reduction
Eagle Falls Resort & Restaurant Kentucky McCreary 50 Significant Poor 1960 Recreation
Rush Meadows Dam California Mono 50 High Poor 1925 Hydroelectric
International Animal Preserve Pond Dam #2 Ohio Muskingum 50 Significant Poor 1959 Water Supply
West Logan Ridge Trail Dam Nevada Washoe 50 High Poor 2003 Flood Risk Reduction
Thurman W. Dix Reservoir Vermont Orange 50 High Poor 1950 Water Supply
Jubilee Lake Oregon Union 50 High Poor 1967 Recreation
White Lake Dam Indiana Brown 50 Significant Poor - Recreation
Daguey Dam Structure 3 Puerto Rico Añasco 50 High Poor 1978 Flood Risk Reduction
Cortez Hills Dam Fresh Water Reservoir Nevada Lander 50 Low Poor 2009 Other
Kaupale Reservoir Hawaii Kauai 50 High Poor 1910 Irrigation
Merriewold Lake Dam New York Orange 50 Significant Poor 1953 Recreation
Ashe Lake Dam North Carolina Ashe 50 High Poor 1955 Recreation
Enl. P3-2 Wyoming Campbell 50 Low Poor 2008 Fire Protection, Stock, Or ...
Monterra Dam Kentucky Nelson 50 Low Poor 2007 Recreation
Crystal Lake Dam Connecticut Middlesex 50 High Poor 1850 Recreation
Rhodes Arroyo Retarding Dam New Mexico Doña Ana 50 High Poor 1960 Flood Risk Reduction
Crisp County (Warwick) Georgia Worth 50 High Poor 1930 Hydroelectric
Bill Greer Dam Kentucky Butler 50 Significant Poor 1955 Other
Pigeon Roost Creek Mps 1 Kentucky Jackson 50 High Poor 1995 Flood Risk Reduction
Dam 31 Texas Coryell 50 Low Poor 1999 Debris Control
A P Bowden Pond Dam 1 South Carolina Kershaw 50 Low Poor 1975 Recreation
Vance Mills Lake Dam B Kentucky Laurel 50 Significant Poor 1980 Recreation
Blanchard Lake Dam #1 North Carolina Harnett 50 High Poor 1943 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.