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Browse Dams

3,540 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 3,540 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.

Name State County Height (ft) Hazard Condition Year Purpose
Mount Morris Dam New York Livingston 249 High Not Available 1952 Flood Risk Reduction
Lost Creek Dam Utah Morgan 248 High Not Available 1966 Irrigation
Norfork Dam Arkansas Baxter 248 High Not Available 1944 Flood Risk Reduction
Ball Mountain Dam Vermont Windham 247 High Not Available 1961 Flood Risk Reduction
Browns Run Impoundment West Virginia Marshall 246 High Not Available — Tailings
Pueblo Dam Colorado Pueblo 245 High Not Available 1975 Flood Risk Reduction
Arthur R. Bowman Dam Oregon Crook 245 High Not Available 1961 Flood Risk Reduction
Horsetooth-Dixon Canyon Colorado Larimer 245 High Not Available 1949 Irrigation
Oahe Dam - Fort Yates Flood Protection Project South Dakota Sioux 245 High Not Available 1966 Flood Risk Reduction
Pactola Dam South Dakota Pennington 245 High Not Available 1956 Flood Risk Reduction
Oahe Dam South Dakota Stanley 245 High Not Available 1966 Flood Risk Reduction
Kortes Dam Wyoming Carbon 244 High Not Available 1951 Hydroelectric
DeGray Dam - Saddle Dike Arkansas Clark 243 High Not Available 1969 Flood Risk Reduction
Applegate Dam Oregon Jackson 242 High Not Available 1980 Flood Risk Reduction
Twitchell Dam California Santa Barbara 241 High Not Available 1958 Flood Risk Reduction
Deer Creek Dam Utah Wasatch 240 High Not Available 1941 Irrigation
Blakely Mountain Dam Arkansas Garland 240 High Not Available 1953 Flood Risk Reduction
Francis E. Walter Dam Pennsylvania Luzerne 239 High Not Available 1961 Flood Risk Reduction
Stampede Dam California Sierra 239 High Not Available 1970 Irrigation
Mount St. Helens Sediment Retention Structure Washington Cowlitz 239 High Not Available 1988 Flood Risk Reduction
Mayflower Pond # 5 Colorado Summit 237 High Not Available — Tailings
Conchas Dam New Mexico San Miguel 235 High Not Available 1940 Flood Risk Reduction
Robinson Tailing Pond #1dam Colorado Summit 235 High Not Available — Other
#1 Tailings Pond Colorado Eagle 235 Significant Not Available — Tailings
Twelvepole Refuse Impoundment West Virginia Mingo 235 High Not Available — Tailings
Howard A. Hanson Dam Washington King 235 High Not Available 1962 Flood Risk Reduction
Tygart Dam West Virginia Taylor 234 High Not Available 1938 Flood Risk Reduction
Buford Dam Georgia Gwinnett 231 High Not Available 1958 Flood Risk Reduction
Horsetooth-Soldier Canyon Colorado Larimer 230 High Not Available 1949 Irrigation
Raccoon Mountain Dam Tennessee Marion 230 High Not Available 1978 Hydroelectric
Chief Joseph Dam Washington Douglas 230 High Not Available 1955 Hydroelectric
El Vado Dam New Mexico Rio Arriba 230 High Not Available 1935 Irrigation
John Day Lock and Dam Oregon Klickitat 230 High Not Available 1968 Navigation
Beaver Dam - Saddle Dike 3 Arkansas Carroll 229 High Not Available 1963 Flood Risk Reduction
Lower Granite Lock and Dam Washington Whitman 228 High Not Available 1975 Navigation
Beaver Dam Arkansas Carroll 228 High Not Available 1963 Flood Risk Reduction
Sanford Dam Texas Hutchinson 228 High Not Available 1965 Recreation
Little Goose Lock and Dam Washington Columbia 226 High Not Available 1970 Navigation
Lower Monumental Lock and Dam Washington Franklin 226 High Not Available 1969 Navigation
4 West Arizona Graham 226 High Not Available — Tailings
Broken Bow Dam - Reregulation Dam Oklahoma McCurtain 225 Low Not Available 1968 Flood Risk Reduction
Canyon Ferry Dam Montana Lewis and Clark 225 High Not Available 1954 Flood Risk Reduction
Raystown Dam Pennsylvania Huntingdon 225 High Not Available 1973 Flood Risk Reduction
Horsetooth-Spring Canyon Colorado Larimer 225 High Not Available 1949 Irrigation
Broken Bow Dam Oklahoma McCurtain 225 High Not Available 1968 Flood Risk Reduction
Silver Basin 1 Arizona Graham 225 Significant Not Available — Tailings
Canyon Lake Dam - Dike A Texas Comal 224 High Not Available 1964 Flood Risk Reduction
Mormon Flat Dam Arizona Maricopa 224 High Not Available 1926 Hydroelectric
Canyon Lake Dam Texas Comal 224 High Not Available 1964 Flood Risk Reduction
Colebrook River Dam Connecticut Litchfield 223 High Not Available 1969 Flood Risk Reduction

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.