Browse Dams

17,049 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 17,049 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
Sardis Dam Mississippi Panola 117 High Not Available 1940 Flood Risk Reduction
Gunlock Utah Washington 117 High Satisfactory 1970 Irrigation
Ash Basin No 3 Pennsylvania Snyder 117 High Fair 1971 Other
Hyrum Dam Utah Cache 116 High Not Available 1935 Irrigation
Clinton Dam Kansas Douglas 116 High Not Available 1977 Flood Risk Reduction
Lake Temescal California Alameda 116 High Satisfactory 1869 Water Supply
Thorton Quarry Gap Dam Illinois Cook 116 High Not Available 2013 Flood Risk Reduction
Dixon California San Diego 116 High Satisfactory 1970 Water Supply
Saltlick Pennsylvania Cambria 116 High Satisfactory 1913 Water Supply
Peacock Site 1a Tailings Reservoir Dam Texas Morris 116 High Fair 1983 Other
South Fork No. 4 Dam West Virginia Hardy 116 High Satisfactory 1965 Flood Risk Reduction
Boca Dam California Nevada 116 High Not Available 1939 Hydroelectric
Franklin Falls Dam New Hampshire Merrimack 116 High Not Available 1943 Flood Risk Reduction
South Fork No. 17 West Virginia Pendleton 116 High Satisfactory 1975 Flood Risk Reduction
Lake Watrous Dam Connecticut New Haven 116 High Satisfactory 1915 Water Supply
Millsite Utah Emery 115 High Satisfactory 1971 Irrigation
Granger Dam Texas Williamson 115 High Not Available 1979 Water Supply
West Pass Dike Washington Whatcom 115 High Satisfactory 1959 Hydroelectric
Soft Maple Diversion New York Lewis 115 High Satisfactory 1926 Hydroelectric
Wrightsville Vermont Washington 115 High Fair 1935 Flood Risk Reduction
Crow Creek Oregon Wasco 115 High Fair 1968 Water Supply
Fajardo Dam Puerto Rico Fajardo 115 High Satisfactory 2002 Water Supply
Lake Kemp Dam Texas Baylor 115 High Satisfactory 1923 Flood Risk Reduction
Cold Springs Dam Oregon Umatilla 115 High Not Available 1908 Irrigation
Little Flint Creek Dam Arkansas Benton 115 High Satisfactory 1977 Water Supply
Pactola Dike 1 South Dakota Pennington 115 High Not Available 1956
C J Strike Idaho Owyhee 115 High Satisfactory 1952 Hydroelectric
Mill Meadow Utah Wayne 115 High Satisfactory 1954 Irrigation
Solomon Gulch Alaska Chugach Census Area 115 High Satisfactory 1981 Hydroelectric
Grizzly Valley California Plumas 115 High Satisfactory 1966 Water Supply
Blue Mountain Dam Arkansas Yell 115 High Not Available 1947 Flood Risk Reduction
Kachess Dam Washington Kittitas 115 High Not Available 1912 Flood Risk Reduction
Old Viburnum Tailings Dam #1 Missouri Iron 115 High Satisfactory 1968 Tailings
Maple Creek #3 Slurry Pond #1 Pennsylvania Washington 115 High Satisfactory - Other
Seeger California Marin 115 High Satisfactory 1961 Other
Guineo Dam Puerto Rico Orocovis 115 High Poor 1931 Hydroelectric
Cidra Dam Puerto Rico Cidra 115 High Satisfactory 1946 Water Supply
Eshbaugh-Martin Dam Missouri Washington 115 High Satisfactory 1968 Tailings
Everett Dam New Hampshire Hillsborough 115 High Not Available 1961 Flood Risk Reduction
Westfork Southeast Dam Missouri Reynolds 115 High Satisfactory 1992 Tailings
Wachusett Reservoir Dam Massachusetts Worcester 114 High Satisfactory 1906 Water Supply
Hosler (Reeder Gulch Oregon Jackson 114 High Unsatisfactory 1928 Water Supply
Eufaula Dam Oklahoma Haskell 114 High Not Available 1964 Flood Risk Reduction
Lower North River # 82 Virginia Rockingham 114 High Fair - Flood Risk Reduction
Beaver Park Colorado Rio Grande 114 High Satisfactory 1912 Recreation
Champion Creek Dam Texas Mitchell 114 High Fair 1959 Recreation
Jeff Davis California Calaveras 114 High Satisfactory 1973 Water Supply
Narraguinnep - Main Dam Colorado Montezuma 114 High Unsatisfactory 1908 Irrigation
Fall River Colorado Clear Creek 114 High Fair 1974 Irrigation
Yellow Creek Reservoir Dam Georgia Dawson 114 High Satisfactory 1999 Water Supply

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.