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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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Browse Dams

1,492 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,492 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
Upper Tumbling Run Pennsylvania Schuylkill 55 High Poor 1836 Water Supply
Allegheny River Lock and Dam 9 Pennsylvania Armstrong 55 Low Not Available 1938 Navigation
Boyertown Reservoir Pennsylvania Berks 55 High Satisfactory 1929 Water Supply
Holtwood Pennsylvania Lancaster 55 Low Satisfactory 1910 Hydroelectric
Bailey No 1 South Saddle Dike Pennsylvania Greene 55 Low Satisfactory 2004 Other
Olyphant No 2 Pennsylvania Lackawanna 55 Significant Fair 1888 Recreation
Beaverdam Run Pennsylvania Cambria 55 High Fair 1975 Water Supply
Mauch Chunk Lake (Pa-462) Pennsylvania Carbon 55 High Fair 1971 Flood Risk Reduction
Neifert Creek (Pa-422a) Pennsylvania Schuylkill 55 High Satisfactory 1968 Flood Risk Reduction
Moraine State Park Pennsylvania Butler 55 High Satisfactory 1968 Recreation
Montour Heights Country Club Pennsylvania Allegheny 54 Significant Satisfactory 1987 Recreation
Williams Bridge Reservoir Pennsylvania Lackawanna 54 High Fair 1893 Water Supply
Kettle Pennsylvania Blair 54 High Fair 1888 Water Supply
Lake Chillisquaque Pennsylvania Montour 54 High Fair 1971 Other
Boyd Keller Reservoir Pennsylvania Clinton 53 High Poor 1956 Water Supply
Ironworks Pennsylvania Bucks 53 High Fair 1943 Water Supply
Lyman Run Pennsylvania Potter 53 High Satisfactory 2007 Recreation
Clarence F. Walker Lake (Pa-637) Pennsylvania Snyder 53 High Fair 1970 Recreation
Lake Heritage Pennsylvania Adams 53 High Poor 1966 Recreation
Hamburg Reservoir Pennsylvania Berks 53 High Fair 1963 Water Supply
Bailey No. 8 Sediment Pond Pennsylvania Greene 53 High Satisfactory - Other
Rockview Reservoir Pennsylvania Centre 53 High Poor - Water Supply
Little Buffalo Creek Pennsylvania Perry 52 High Fair 1970 Recreation
Hamburg Flood Control (Pa-477) Pennsylvania Berks 52 High Fair 1965 Flood Risk Reduction
Martins Creek (Pa-467) Pennsylvania Susquehanna 52 High Fair 1967 Flood Risk Reduction
Colver Pennsylvania Cambria 52 High Fair 1994 Water Supply
Lake Redman Pennsylvania York 52 High Poor 1967 Water Supply
Lake Nessmuk (Pa-601) Pennsylvania Tioga 52 High Satisfactory 1968 Recreation
Greenlick Run (Pa-656) Pennsylvania Fayette 52 High Satisfactory 1973 Flood Risk Reduction
Point Marion Lock and Dam Pennsylvania Greene 52 Significant Not Available 1959 Navigation
Lake Ontelaunee Pennsylvania Berks 52 High Fair 1935 Water Supply
Nesquehoning 4th Hollow Reservoir Pennsylvania Carbon 51 High Fair 1975 Water Supply
Hadley (Pa-489) Pennsylvania Mercer 51 High Fair 1968 Flood Risk Reduction
Lake Mount Union Pennsylvania Huntingdon 51 High Satisfactory 1927 Water Supply
Whitetail Land CO - A Pennsylvania Franklin 51 High Fair 1993 Water Supply
Frances Slocum Pennsylvania Luzerne 51 High Fair 1965 Recreation
Auburn Pennsylvania Schuylkill 51 High Fair 1950 Recreation
Lake Susquehanna Pennsylvania Luzerne 51 High Poor 1973 Recreation
Plane Nine Pennsylvania Blair 51 High Fair 1907 Water Supply
Tyrone Reservoir #2 Pennsylvania Blair 51 High Fair 1912 Water Supply
Pa-481 Pennsylvania Washington 51 High Satisfactory 1984 Flood Risk Reduction
Cross Creek (Pa-662) Pennsylvania Washington 50 High Satisfactory 1983 Flood Risk Reduction
Pymatuning Pennsylvania Crawford 50 High Fair 1933 Flood Risk Reduction
Leonard George Pennsylvania Greene 50 Low Satisfactory 2001 Recreation
Freshwater Impoundment Pennsylvania Indiana 50 High Fair 1974 Water Supply
Mitchell Sludge Sedimentation Pond Pennsylvania Washington 50 Significant Satisfactory 1982 Other
Sunnyside Energy Park Pennsylvania Jefferson 50 High Fair 1975 Recreation
Ringtown Reservoir No 6 Pennsylvania Schuylkill 50 High Fair 1921 Water Supply
Osborne Lagoon Pennsylvania Chester 50 Significant Satisfactory 2012 Other
Queen Lane Raw Water Basin Pennsylvania Philadelphia 50 High Fair 1900 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.