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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

393 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 393 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
Upper Lake Mary Arizona Coconino 49 Significant Satisfactory 1941 Recreation
Howard Arizona Graham 49 High Fair 1975 Flood Risk Reduction
Hesperus Wash (No. 36) Arizona Maricopa 49 High Satisfactory 1973 Flood Risk Reduction
Grant Morris Arizona Graham 49 High Satisfactory 1975 Flood Risk Reduction
Fredonia Arizona Coconino 49 High Poor 1973 Flood Risk Reduction
Arivaca Arizona Pima 48 Significant Fair 1970 Fish and Wildlife Pond
Frye Creek Retarding Arizona Graham 48 High Satisfactory 1962 Flood Risk Reduction
No Name Wash Arizona Graham 48 High Satisfactory 1977 Flood Risk Reduction
Asarco 82 Arizona Gila 48 Significant Satisfactory 1983 Other
Stockton Wash Retarding Arizona Graham 48 High Poor 1964 Flood Risk Reduction
City Arizona Coconino 47 High Satisfactory 1902 Water Supply
Casandro Wash Arizona Maricopa 47 High Satisfactory 1996 Flood Risk Reduction
Sycamore Dam Arizona Pima 47 Significant Not Rated 1939
Round Rock Arizona Apache 46 High Satisfactory 1900 Fire Protection, Stock, Or ...
Steel Dam Arizona Coconino 46 Low Not Rated 1898 Water Supply
Lebanon Reservoir #1 (Upper) Arizona Graham 45 Significant Fair 1910 Irrigation
Signal Butte FRS Arizona Maricopa 45 High Satisfactory 1988 Flood Risk Reduction
Palo Verde Evaporation Pond No. 3 Arizona Maricopa 45 High Satisfactory 2009 Other
Riggs Flat Arizona Graham 45 Low Not Rated 1951 Recreation
Boulder Flood Basin Arizona Yavapai 45 Low Not Rated 1983 Other
Lower Rose Canyon Arizona Pima 45 Low Not Rated 1958 Fish and Wildlife Pond
Kaibab Arizona Coconino 44 Low Not Rated 1934 Recreation
Haralson Arizona Graham 44 High Satisfactory 1919 Water Supply
Continental #1 Arizona Coconino 44 High Satisfactory 1972 Irrigation
Thunderbird Park Reservoir Arizona Maricopa 44 High Satisfactory 1985 Water Supply
Dogtown Arizona Coconino 43 Significant Fair 1934 Fish and Wildlife Pond
Mineral Park Flood Control Basin Arizona Mohave 43 Low Not Rated 1995 Flood Risk Reduction
Laguna Diversion Dam Arizona Yuma 43 Low Not Available 1909 Debris Control
Woods Canyon Arizona Coconino 43 Low Not Rated 1956 Fish and Wildlife Pond
Dreamy Draw Arizona Maricopa 42 High Satisfactory 1973 Flood Risk Reduction
Powerline Arizona Pinal 42 High Fair 1967 Flood Risk Reduction
Point of Pines Arizona Graham 42 High Poor 1966 Recreation
Aspen (No. 6) Arizona Maricopa 42 High Satisfactory 1973 Flood Risk Reduction
Continental #2 Arizona Coconino 42 High Satisfactory 1974 Irrigation
Santa Fe Arizona Coconino 42 High Satisfactory 1892 Water Supply
Zonia Southwest Holding Tank Arizona Yavapai 42 Low Not Rated — Other
Bootleg Arizona Navajo 41 High Unsatisfactory 1965 Recreation
Horseshoe Cienega Arizona Apache 41 High Fair 1964 Recreation
Upper Chalk Tank Arizona Cochise 41 Low Not Rated 2002 Fire Protection, Stock, Or ...
Many Farms Dike Bc Arizona Apache 40 Undetermined Fair 1943 Irrigation
Rio Salado Town Lake Arizona Maricopa 40 Significant Satisfactory 1997 Recreation
Tonto Dam Arizona Apache 40 Low Not Rated 1964 Recreation
Reach 11 Detention Dike 4 Arizona Maricopa 40 High Not Available 1977 Flood Risk Reduction
Reach 11 Detention Dike 2 Arizona Maricopa 40 High Not Available 1977 Flood Risk Reduction
Canyon Diablo Arizona Coconino 40 Low Poor 1966 Flood Risk Reduction
Aspc-Safford Effluent Pond Arizona Graham 40 Low Not Rated 1992 Irrigation
Number 4 Arizona Pima 40 High Not Available — Tailings
Hassayampa Check Arizona Yavapai 40 Low Not Rated 1936 Recreation
A-1 Arizona Apache 40 High Poor 1966 Recreation
Ganado Arizona Apache 40 High Satisfactory 1919 Irrigation

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.