Browse Dams

11,361 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,361 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
S-99 Florida St. Lucie 30 Significant Not Rated 1961 Flood Risk Reduction
Greenes Lake Dam Texas Rockwall 30 Significant Not Rated 1963 Fire Protection, Stock, Or ...
Big L Lake Dam Texas Wood 30 Significant Not Rated 1959 Other
Big Pond North Carolina Stanly 30 Significant Not Available — Water Supply
South Deerfield Water Supply Dam Massachusetts Franklin 30 Significant Fair — Water Supply
Hamlin Lake Dam North Carolina Transylvania 30 Significant Poor — Recreation
Kratky Vermont Orange 30 Significant Satisfactory 1966 Recreation
Moody Dam North Carolina Buncombe 30 Significant Satisfactory — Recreation
Tanglewood Lake Dam Kentucky Menifee 30 Significant Poor 1963 Recreation
Sunny Slopes Pond 2 Dam South Carolina Spartanburg 30 Significant Fair 1968 Irrigation
Huckaby Lake Dam Tennessee Hickman 30 Significant — 1960
Allie Montana Valley 30 Significant — 1960 Fire Protection, Stock, Or ...
Rasmussen No.1 South Dakota Custer 30 Significant — 1943 Fire Protection, Stock, Or ...
Lake Meredith Colorado Crowley 30 Significant Fair 1926 Irrigation
Victor Ashe Dam Tennessee Knox 30 Significant Satisfactory 2004 Recreation
Homesteaders Settlement Montana Chouteau 30 Significant — 1960 Fire Protection, Stock, Or ...
Kury Lake Dam Texas Robertson 30 Significant Fair 1957 Recreation
Roberdel Lake Dam North Carolina Richmond 30 Significant Not Rated — Hydroelectric
Anderson Dam Florida Gadsden 30 Significant Not Rated — Recreation
General Motors Primary Lagoon Ohio Defiance 30 Significant Fair 1940 Water Supply
Mine Hill Reservoir Dam New Jersey Morris 30 Significant Poor 1896 Water Supply
Bayou Dupont No 8 Louisiana Natchitoches 30 Significant Fair 1959 Flood Risk Reduction
Willson Water Treatment Plant Levee Maryland Washington 30 Significant Fair 1927 Flood Risk Reduction
Taftville Reservoir #1 Dam Connecticut New London 30 Significant Fair 1880 Recreation
New Hope Trails Dam North Carolina Chatham 30 Significant Satisfactory 1988 Recreation
La Jara - Dam No. 2 Colorado Conejos 30 Significant Satisfactory 1906 Recreation
Bellwood 6-E Nebraska Butler 30 Significant Satisfactory 1969 Flood Risk Reduction
Doty Dam Iowa Dallas 30 Significant Satisfactory 1961 Fire Protection, Stock, Or ...
Elk Lake Colorado Moffat 30 Significant Fair 1904 Fire Protection, Stock, Or ...
Paul Rigsby Dam Alabama Cullman 30 Significant Not Rated 1952 Fire Protection, Stock, Or ...
Gering Valley G Lower Nebraska Scotts Bluff 30 Significant Satisfactory 1972 Flood Risk Reduction
Sleepy Hollow Dam Michigan Clinton 30 Significant Satisfactory 1974 Flood Risk Reduction
Garnett Wyoming Big Horn 30 Significant Poor 1944 Irrigation
Mingus Lake Dam Texas Palo Pinto 30 Significant Not Rated — Irrigation
Ben Smith Dam South Carolina York 30 Significant Fair 1957 Irrigation
Trail Idaho Elmore 30 Significant Fair 1960 Irrigation
Kingsford A-6 Florida Polk 30 Significant Not Rated 1964 Tailings
Geneva Hills Lake Dam Ohio Fairfield 30 Significant Fair — Recreation
Club 20 Lake Dam Texas Van Zandt 30 Significant Not Rated 1962 Irrigation
Hart Lake Dam Lower North Carolina Catawba 30 Significant Fair 1970 Other
White Lake Dam South Dakota Marshall 30 Significant — 1933 Recreation
Assam South Dakota Minnehaha 30 Significant — 1968 Recreation
Griffin Lake Dam Texas Gregg 30 Significant Fair 1953 Irrigation
Adams Lake Dam South Carolina Union 30 Significant Fair 1948 Recreation
Deadmans Basin Water Supply Canal Storage Reservoir #5 Montana Wheatland 30 Significant — — Water Supply
Martin Vermont Windsor 30 Significant Satisfactory 1969 Recreation
Minorca Pit South Minnesota St. Louis 30 Significant Satisfactory 2008 Tailings
Cane Creek #3 Dam Tennessee Lauderdale 30 Significant Fair 1965
Grant Mine Tailings Dam Alaska Fairbanks North Star Borough 30 Significant Not Rated 1987 Tailings
Lithium Lagoon A Dam North Carolina Gaston 30 Significant Fair 1960 Other

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.