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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

1,039 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,039 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
Mary Lake Dam Michigan Dickinson 7 Low Satisfactory — Other
Matteson Lake Level Control Structure Michigan Branch 7 Low Satisfactory 1966 Recreation
Sand Lake Level Control Structure Michigan St. Joseph 7 Low Fair 1970 Recreation
Sawdel Lake Dam Michigan Lapeer 7 Low Satisfactory 1949 Recreation
Crystal Lake Level Control Dam Michigan Benzie 7 Low Satisfactory 1977 Recreation
Greens Flooding Dam Michigan Montcalm 7 Low Fair — Other
Big Star Lake Level Control Structure Michigan Lake 7 Low Not Rated 1987 Recreation
North Gaede Marsh Dam Michigan Tuscola 7 Low Fair — Fish and Wildlife Pond
Sand Lake Level Control Dam Michigan Clare 7 Low Not Rated 1981 Recreation
Big Bradford Lake Level Control Structure Michigan Crawford 7 Low Not Rated 1979 Recreation
Farwell & Pinehill Level Control Dam Michigan Jackson 7 Low Satisfactory 1970 Recreation
Union Lake Level Control Structure Michigan Oakland 7 Low Satisfactory 1964 Recreation
Barnes Lake Dam Michigan Lapeer 7 Low Not Rated 1935 Recreation
Muskellunge Lake Level Control Struct Michigan Montmorency 7 Low Not Rated 1957 Recreation
Fox Lake Dam Michigan Oakland 7 Low Fair 1965 Other
Willo's Lake Dam Michigan Washtenaw 7 Low Satisfactory — Recreation
Roberts Lake Dam Michigan Cheboygan 7 Low Satisfactory 1948 Recreation
White Rapids Left Causeway Michigan Menominee 7 Low Satisfactory 1927 Hydroelectric
Hunter Lake Level Control Structure Michigan Montcalm 7 Low Not Rated 1964 Recreation
Posey Lake Level Control Structure Michigan Lenawee 7 Low Satisfactory 1955 Recreation
Milli-Ander Pond Dam Michigan Gratiot 7 Low Poor 1983 Recreation
Nahma Marsh Dam Michigan Delta 7 Low Satisfactory 1988 Recreation
Scotts Marsh Dike 1 Michigan Schoolcraft 7 Low Not Rated 1971 Fish and Wildlife Pond
Lapeer State Game Area Flooding #13 Dam Michigan Lapeer 7 Low Satisfactory 1987 Recreation
Gratiot-Saginaw Sga Impoundment #1 Dam Michigan Gratiot 7 Low Fair 1963 Other
Lake Lansing Dam Michigan Ingham 7 Low Fair 1975 Recreation
Scotts Marsh Dike 2 & 3 Michigan Schoolcraft 7 Low Not Rated 1974 Fish and Wildlife Pond
North Show Pool Dam Michigan Schoolcraft 7 Low Unsatisfactory 1937
Bulldog Lake Dam Michigan Marquette 7 Low Poor 1916 Recreation
Cannon Creek #2 Flooding Dam Michigan Missaukee 7 Low Poor 1964 Recreation
Bullard Lake Dam Michigan Livingston 6 Low Not Rated 1929 Recreation
Lake Michigamme Dam Michigan Marquette 6 Low Fair — Other
Coldwater Lake Level Control Structure Michigan Branch 6 Low Satisfactory 1962 Recreation
Lake Chemung Control Structure Michigan Livingston 6 Low Satisfactory 1968 Recreation
Horton Dam Michigan Jackson 6 Significant Fair 1850 Recreation
Woodland Waters Dam Michigan Macomb 6 Low Fair 1962 Recreation
Shavehead Lake Level Control Structure Michigan Cass 6 Low Satisfactory 1960 Recreation
Corey Lake Level Overflow Structure Michigan St. Joseph 6 Low Fair 1974 Recreation
Baw Beese Lake Dam Michigan Hillsdale 6 Low Satisfactory 1979 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.