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Browse Dams

13,002 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 13,002 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
Patterson Creek No.15 West Virginia Mineral 92 High Satisfactory 1965 Flood Risk Reduction
Weber California El Dorado 92 High Satisfactory 1924 Water Supply
Timber Creek Mpd No 29 Kansas Cowley 91 High Satisfactory 1970 Flood Risk Reduction
Martinsdale, North Dam Montana Wheatland 91 High Satisfactory 1939 Irrigation
Wheeler Branch Dam Texas Somervell 91 High Satisfactory 2008 Irrigation
South Creek - Washington County Utah Washington 91 High Satisfactory 1988 Irrigation
Enterprise (Upper) Utah Washington 91 High Satisfactory 1912 Irrigation
Joe B Hogsett Dam Texas Henderson 91 High Satisfactory 1966 Irrigation
Pogo R.T.P. Dam Alaska Southeast Fairbanks Census Area 91 High Satisfactory 2005 Flood Risk Reduction
North Fork of Smith River Dam Montana Meagher 91 High Satisfactory 1936 Irrigation
Fish Barrier California Butte 91 Low Satisfactory 1964 Water Supply
Floodwater Ret. B-5 Colorado Larimer 91 Significant Satisfactory 1977 Flood Risk Reduction
Thermalito Forebay California Butte 91 High Satisfactory 1967 Hydroelectric
Maple Creek Slurry Pond No 2 - A Pennsylvania Washington 91 High Satisfactory 1978 Other
East Dike, Bad Creek South Carolina Oconee 90 High Satisfactory 1991 Hydroelectric
Phoenix Lake California Marin 90 High Satisfactory 1907 Water Supply
South Fourche Lafave Wid Site 4 Arkansas Perry 90 Low Satisfactory 1981 Flood Risk Reduction
New Melle Quarry Missouri St. Charles 90 High Satisfactory 1999
Weiss - Highway 411 Dike Alabama Cherokee 90 High Satisfactory 1961 Hydroelectric
Hillview Reservoir Dam New York Westchester 90 High Satisfactory 1915 Water Supply
Lower Urad Colorado Clear Creek 90 High Satisfactory 1965 Water Supply
Leesville Virginia Pittsylvania 90 High Satisfactory 1963 Hydroelectric
Lake Coronado Dam Arkansas Saline 90 Significant Satisfactory 1976 Recreation
Day Creek Debris Basin California San Bernardino 90 High Satisfactory 1988 Debris Control
Piute Utah Piute 90 High Satisfactory 1938 Irrigation
Oak Orchard Creek Dam New York Orleans 90 High Satisfactory 1917 Hydroelectric
West Peak Quarry Dam #1 Missouri Iron 90 High Satisfactory 2001 Tailings
Lake Gregory California San Bernardino 90 High Satisfactory 1938 Water Supply
Bois D Arc Lake Dam Texas Fannin 90 High Satisfactory 2023
Upper Shepaug Dam Connecticut Litchfield 90 High Satisfactory 1965 Water Supply
Dresser No. 11 Missouri Jefferson 90 High Satisfactory 1975 Tailings
Chevy Chase 1290 Reservoir California Los Angeles 90 High Satisfactory 1940 Water Supply
Weiss - Spillway Diversion Dam Alabama Cherokee 90 High Satisfactory 1961 Hydroelectric
Miner'S Ranch California Butte 90 High Satisfactory 1962 Hydroelectric
Empire Mine Tertiary Pond Dam Michigan Marquette 90 Low Satisfactory 1975 Other
Emerald No. 1 Back Valley Western Pennsylvania Greene 90 High Satisfactory — Other
Lake Konstanz Dam Missouri Warren 90 High Satisfactory 1999
Two Lick Creek Pennsylvania Indiana 90 High Satisfactory 1968 Grade Stabilization
Ozark Water Supply Lake Dam Arkansas Franklin 90 Significant Satisfactory 1971 Water Supply
Emerald No. 2 Back Valley Western Pennsylvania Greene 90 High Satisfactory — Other
Camanche Dike No. 2 California San Joaquin 90 High Satisfactory — Water Supply
Brush Hollow Colorado Fremont 90 High Satisfactory 1922 Irrigation
Charles Fork #17 West Virginia Roane 90 High Satisfactory 1973 Flood Risk Reduction
Rocky Mtn Dam B Georgia Floyd 90 Low Satisfactory 1991 Hydroelectric
Jeffrey Dam Nebraska Lincoln 90 High Satisfactory 1941 Irrigation
Yahuecas Dam Puerto Rico Adjuntas 90 High Satisfactory 1956 Hydroelectric
Marshall Active Ash Basin Dam North Carolina Catawba 90 High Satisfactory 1962 Other
Camanche Dike No. 1 California Calaveras 90 High Satisfactory — Water Supply
Aps Ash Pond Tailings Dam No. 6 New Mexico San Juan 90 Low Satisfactory 1983 Tailings
Muddy Run Recreation Dam Pennsylvania Lancaster 90 Low Satisfactory 1967 Hydroelectric

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.