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Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents State Safety Dashboards Safety grades for all 50 U.S. states ZIP Safety Report Check any 5-digit ZIP across 9 datasets
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Vehicle Safety

Vehicle Recalls320,000+ NHTSA safety recalls Browse VehiclesEvery make, model and year Complaints2.1M+ consumer safety complaints TSBs4.7M technical service bulletins VIN LookupDecode any vehicle VIN instantly OBD Codes12,000+ diagnostic trouble codes Fuel EconomyEPA MPG data for all vehicles Safety Ratings11,700+ NHTSA crash test ratings Investigations5,300+ NHTSA defect investigations StatisticsRecall trends & safety analysis Compare VehiclesTwo vehicles side by side

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

Infrastructure

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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Nursing Homes14,700 CMS rated facilities Environmental80,000+ hazardous sites & releases BlogGuides, news & safety insights

Browse Dams

1,316 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,316 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
Mad River Dam Homestead Avenue Dam Connecticut New Haven 31 High Poor 1900 Water Supply
South Flood Control Dam Connecticut Hartford 31 High Satisfactory 1964 Flood Risk Reduction
Crystal Pond Dam Connecticut Windham 31 Significant Fair 1900 Recreation
Spaulding Pond Dam Connecticut New London 31 High Satisfactory 1965 Flood Risk Reduction
Hatch Pond Dam Connecticut Litchfield 31 Significant Poor 1900 Recreation
Lake Wintergreen Dam Connecticut New Haven 31 High Satisfactory 1863 Water Supply
Seymour Reservoir #2 Dam Connecticut New Haven 31 Significant Fair 1931 Water Supply
Old Marsh Pond Dam Connecticut Litchfield 30 High Satisfactory 1913 Water Supply
Talcott Flood Control Dam #1 Connecticut Hartford 30 High Satisfactory 1964 Flood Risk Reduction
Baltic Reservoir Dam (West) Connecticut New London 30 Significant Satisfactory 1900 Water Supply
Asylum Reservoir #4 Dam Connecticut Middlesex 30 Significant Satisfactory - Water Supply
Taftville Reservoir #1 Dam Connecticut New London 30 Significant Fair 1880 Recreation
Lake Harwinton Dam Connecticut Litchfield 30 High Satisfactory 1930 Recreation
Buckingham Reservoir Dam Connecticut Hartford 30 Significant Fair 1925 Recreation
Converse Lake Dam Connecticut Fairfield 30 High Fair 1900 Recreation
Paper Goods Pond Dam Connecticut Hartford 30 Significant Poor 1920 Recreation
Upper Kohanza Lake Dam Connecticut Fairfield 30 High Satisfactory 1866 Water Supply
Ledyard Reservoir Dam Connecticut New London 30 Significant Satisfactory 1954 Water Supply
Fairview Reservoir Dam and Dikes Connecticut New London 30 High Fair 1868 Water Supply
Clarks Pond Dam Connecticut New Haven 30 Significant Satisfactory - Recreation
Mount Higby Reservoir Dam Connecticut Middlesex 30 High Satisfactory 1897 Water Supply
Taftville Reservoir #2 Dam Connecticut New London 30 Significant Poor 1910 Water Supply
Tantaquidgeon Connecticut New London 30 Low Satisfactory - Recreation
Staffordville Reservoir Dam Connecticut Tolland 30 High Satisfactory 1850 Recreation
Bradway Reservoir Site #4 Dam Connecticut Tolland 29 Significant Satisfactory 1961 Flood Risk Reduction
Laurel Lake Dam Connecticut Litchfield 29 Significant Satisfactory 1965 Recreation
Mackenzie Reservoir Dam Connecticut New Haven 29 High Fair 1944 Water Supply
Padanaram Reservoir Dam Connecticut Fairfield 29 High Satisfactory 1883 Water Supply
Lake Phipps Dam #1 Connecticut New Haven 29 High Satisfactory 1880 Recreation
Chestnut Ridge Dam Connecticut Fairfield 29 High Fair 1910 Water Supply
Ellithorpe Flood Control Site #5 Dam Connecticut Tolland 29 High Fair 1968 Flood Risk Reduction
Bloomfield Flood Control Site #3 Dam Connecticut Hartford 29 High Satisfactory 1962 Flood Risk Reduction
Samp Mortar Reservoir Dam Connecticut Fairfield 29 High Fair 1901 Recreation
Willimantic Reservoir Dam Connecticut Windham 29 High Satisfactory 1885 Water Supply
Maltby Lake West Dam #3 Connecticut New Haven 29 Significant Satisfactory 1862 Water Supply
Shenipsit Flood Control Site #6 Dam Connecticut Tolland 29 High Satisfactory 1961 Flood Risk Reduction
Robertsville Dam Connecticut Litchfield 29 Significant Satisfactory 1887 Hydroelectric
New Britain Reservoir Dike Connecticut Hartford 29 High Satisfactory 1904 Water Supply
Farm Brook Flood Control Site #2a Dam Connecticut New Haven 29 High Satisfactory - Flood Risk Reduction
Margerie Lake Reservoir South Dam Connecticut Fairfield 29 High Satisfactory 1933 Water Supply
Abbott's Pond Dam Connecticut Windham 28 Significant Satisfactory 1960 Recreation
Portland Reservoir Dam Connecticut Middlesex 28 High Satisfactory 1964 Water Supply
Asylum Reservoir Dam #6 Connecticut Middlesex 28 Significant Fair 1954 Water Supply
Adder Reservoir Connecticut Middlesex 28 High Fair 1934 Water Supply
Risley Reservoir Dam Connecticut Tolland 28 Significant Fair 1853 Water Supply
Deep Hollow Reservoir Dam Connecticut Middlesex 28 Significant Satisfactory 1854 Water Supply
Paper Mill Pond Dam Connecticut New London 28 Significant Poor 1870 Water Supply
Seymour Reservoir #4 Dam Connecticut New Haven 28 Significant Poor 1951 Water Supply
Lake Forest Dam Connecticut Fairfield 28 High Satisfactory 1899 Recreation
Columbia Lake Dam Connecticut Tolland 28 High Poor 1865 Recreation

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.