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Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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Browse Dams

1,074 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,074 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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Mossyrock Washington Lewis 606 High Unsatisfactory 1968 Hydroelectric
Mayfield Washington Lewis 250 High Unsatisfactory 1963 Hydroelectric
Anderson California Santa Clara 240 High Unsatisfactory 1950 Water Supply
Smith Oregon Linn 235 High Unsatisfactory 1963 Hydroelectric
Garzas Dam Puerto Rico Adjuntas 201 High Unsatisfactory 1943 Hydroelectric
Fletcher Tailings Dam Missouri Reynolds 201 High Unsatisfactory 1965 Tailings
Liberty Dam Maryland Baltimore 175 High Unsatisfactory 1953 Water Supply
Sanchez Colorado Costilla 137 High Unsatisfactory 1911 Irrigation
Laprele Wyoming Converse 135 High Unsatisfactory 1909 Irrigation
Lake Hodges California San Diego 131 High Unsatisfactory 1918 Water Supply
Paradise Peak Tails Dam Nevada Nye 130 Low Unsatisfactory 1986 Tailings
Magic Dam Idaho Blaine 128 High Unsatisfactory 1910 Hydroelectric
Cat Creek Nevada Mineral 123 High Unsatisfactory 1932 Water Supply
Matrullas Dam Puerto Rico Orocovis 120 High Unsatisfactory 1934 Hydroelectric
Narraguinnep - Main Dam Colorado Montezuma 114 High Unsatisfactory 1908 Irrigation
Hosler (Reeder Gulch Oregon Jackson 114 High Unsatisfactory 1928 Water Supply
Clear Branch Oregon Hood River 110 High Unsatisfactory 1969 Irrigation
Willow Creek 3 (Malheur) Oregon Malheur 110 High Unsatisfactory 1944 Irrigation
Puu Lua Reservoir Hawaii Kauai 110 High Unsatisfactory 1925 Fish and Wildlife Pond
Toronto New York Sullivan 103 High Unsatisfactory 1926 Hydroelectric
West Newton Sludge Pennsylvania Westmoreland 99 Low Unsatisfactory — Other
Cliffside Inactive Ash Basin #5 Main Dam North Carolina Rutherford 97 High Unsatisfactory 1972 Other
Williamson Dam Texas Eastland 96 High Unsatisfactory 1923 Water Supply
Lake Ellsworth Oklahoma Comanche 96 High Unsatisfactory 1961 Water Supply
Woodrat Knob Oregon Jackson 92 High Unsatisfactory 1960 Irrigation
Livingston Texas San Jacinto 90 High Unsatisfactory 1969 Hydroelectric
Ku Tree Reservoir Hawaii Honolulu 90 High Unsatisfactory 1925 Other
Crowley Oregon Malheur 90 High Unsatisfactory 1938 Irrigation
Trail Bridge Oregon Linn 90 High Unsatisfactory 1963 Hydroelectric
Stillwater #1 Colorado Garfield 89 High Unsatisfactory 1939 Irrigation
Miramonte Colorado San Miguel 87 High Unsatisfactory 1978 Recreation
Gun Club Lake Dam Missouri Washington 85 High Unsatisfactory 1962 Tailings
Bishop Creek Dam Nevada Elko 80 High Unsatisfactory 1912 Irrigation
Cataract Creek Dam Montana Madison 80 High Unsatisfactory 1959 Irrigation
Spring Creek Colorado Gunnison 76 High Unsatisfactory 1961 Recreation
Black Lake Montana Missoula 75 High Unsatisfactory 1967 Recreation
Lake Comanche Dam Texas Comanche 74 High Unsatisfactory 1948 Irrigation
Piney Run Dam Maryland Carroll 73 High Unsatisfactory 1974 Water Supply
Lake Sympson Dam Kentucky Nelson 73 Significant Unsatisfactory 1963 Water Supply
Upper Little Black D-2 Missouri Ripley 73 High Unsatisfactory 1989 Flood Risk Reduction
Rapidan Minnesota Blue Earth 73 Significant Unsatisfactory 1910 Hydroelectric
Sheriff Colorado Rio Blanco 72 High Unsatisfactory 1955 Irrigation
Goose Pasture Tarn Colorado Summit 71 High Unsatisfactory 1965 Recreation
Tarryall Colorado Park 70 High Unsatisfactory 1929 Recreation
Gooseberry Tails Dam Nevada Storey 70 Low Unsatisfactory 1984 Tailings
Frog Lake Dam B Oregon Clackamas 70 Significant Unsatisfactory 1955 Hydroelectric
Koolau Reservoir Hawaii Honolulu 70 Low Unsatisfactory 1919 Other
Big Bone Lick State Park Dam Kentucky Boone 70 Low Unsatisfactory 1971 Recreation
Mud River MPS 6A Kentucky Logan 69 Significant Unsatisfactory 1973 Flood Risk Reduction
Intrepid Potash West Plant Dam New Mexico Eddy 68 Significant Unsatisfactory 1978 Tailings

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.