Browse Dams

92,766 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,766 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
Eramet Waste Retention Dam Ohio Washington 118 High Satisfactory 1982 Tailings
Upper North River #76 Virginia Augusta 118 High Satisfactory - Flood Risk Reduction
Druid Hill Lake Reservoir and Storage Tanks Maryland Baltimore City 118 High Poor 1871 Water Supply
Green Verdugo California Los Angeles 118 High Satisfactory 1953 Water Supply
North Springfield Dam Vermont Windsor 118 High Not Available 1960 Flood Risk Reduction
Dewey Dam Kentucky Floyd 118 High Not Available 1949 Flood Risk Reduction
Settlement Canyon Utah Tooele 118 High Fair 1966 Irrigation
Schoens Arizona Navajo 118 High Satisfactory 1988 Flood Risk Reduction
Paint Creek Dam Ohio Highland 118 High Not Available 1973 Flood Risk Reduction
Lake Gaillard Dam Connecticut New Haven 118 High Satisfactory 1929 Water Supply
Two Rivers Diamond A Dam New Mexico Chaves 118 High Not Available 1963 Flood Risk Reduction
Wirtz Dam Texas Burnet 118 High Satisfactory 1951 Irrigation
Sardis Dam Mississippi Panola 117 High Not Available 1940 Flood Risk Reduction
Farmington Lake Dam New Mexico San Juan 117 High Fair 1964 Water Supply
Rio Grande Colorado Hinsdale 117 High Satisfactory 1914 Irrigation
Macoupin Energy Refuse Disposal Area 6 Illinois Macoupin 117 High Not Available 1991 Tailings
Rocky Creek-Cedar Creek South Carolina Fairfield 117 High Satisfactory 1909 Hydroelectric
Plant Wansley Potable Water Supply Pond Dam Georgia Carroll 117 Low Not Rated 1975 Water Supply
Gunlock Utah Washington 117 High Satisfactory 1970 Irrigation
Ash Basin No 3 Pennsylvania Snyder 117 High Fair 1971 Other
Sugar Camp/Mine 1/North Refuse Disposal Facility Dam Illinois Franklin 117 High Not Available - Tailings
Dexter Dam Oregon Lane 117 High Not Available 1955 Flood Risk Reduction
Peacock Site 1a Tailings Reservoir Dam Texas Morris 116 High Fair 1983 Other
Dixon California San Diego 116 High Satisfactory 1970 Water Supply
Inlet Control Structure Arizona Pinal 116 Significant Satisfactory 2008 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. 4 Dam West Virginia Hardy 116 High Satisfactory 1965 Flood Risk Reduction
Clinton Dam Kansas Douglas 116 High Not Available 1977 Flood Risk Reduction
Lake Temescal California Alameda 116 High Satisfactory 1869 Water Supply
Saltlick Pennsylvania Cambria 116 High Satisfactory 1913 Water Supply
Gold Gulch #2 Arizona Gila 116 Significant Satisfactory 1982 Other
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
Thorton Quarry Gap Dam Illinois Cook 116 High Not Available 2013 Flood Risk Reduction
Hyrum Dam Utah Cache 116 High Not Available 1935 Irrigation
C J Strike Idaho Owyhee 115 High Satisfactory 1952 Hydroelectric
Blue Mountain Dam Arkansas Yell 115 High Not Available 1947 Flood Risk Reduction
Mill Meadow Utah Wayne 115 High Satisfactory 1954 Irrigation
Maple Creek #3 Slurry Pond #1 Pennsylvania Washington 115 High Satisfactory - Other
Old Viburnum Tailings Dam #1 Missouri Iron 115 High Satisfactory 1968 Tailings
Cidra Dam Puerto Rico Cidra 115 High Satisfactory 1946 Water Supply
Soft Maple Diversion New York Lewis 115 High Satisfactory 1926 Hydroelectric
Bmg Mine Willow Creek Dam Nevada Lander 115 Significant Fair 1989 Recreation
Lake Kemp Dam Texas Baylor 115 High Satisfactory 1923 Flood Risk Reduction
Little Flint Creek Dam Arkansas Benton 115 High Satisfactory 1977 Water Supply
Lake Winona Dam Arkansas Saline 115 Low Satisfactory 1938 Water Supply
Seeger California Marin 115 High Satisfactory 1961 Other
Gribben Tailings Basin Dam Michigan Marquette 115 Significant Satisfactory 1977 Tailings
Fajardo Dam Puerto Rico Fajardo 115 High Satisfactory 2002 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.