Browse Dams

92,628 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,628 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.

Name State County Height (ft) Hazard Condition Year Purpose
Bradley Jxn 2 Florida Polk 105 Significant Not Rated — Tailings
Mountain Dell Utah Salt Lake 105 High Poor 1916 Water Supply
Mulberry W (Ctr) Florida Polk 105 Significant Not Rated — Tailings
Keysville (N) Florida Polk 105 Significant Not Rated — Tailings
Mulberry E Florida Polk 105 Significant Not Rated — Tailings
Mulberry (2) Florida Polk 105 Significant Not Rated — Tailings
Council Grove Dam Kansas Morris 105 High Not Available 1964 Flood Risk Reduction
South Fourche Lafave Wid Site 3 Arkansas Perry 105 Significant Poor 1981 Flood Risk Reduction
Nichols (W-Center) Florida Polk 105 Significant Not Rated — Tailings
Keysville (W) Florida Polk 105 Significant Not Rated — Tailings
Smithville Dam Missouri Clay 105 High Not Available 1979 Flood Risk Reduction
Folsom Dike 5 California Placer 105 High Not Available 1956 Flood Risk Reduction
Haystack Dam Oregon Jefferson 105 High Not Available 1957 Irrigation
Bradley Junction N (Ctr) Florida Polk 105 Significant Not Rated — Tailings
Dresser No.4 Dam Missouri Washington 105 High Not Rated 1975 Tailings
Three Creeks (Beaver) Utah Beaver 105 High Satisfactory 1949 Irrigation
Mulberry (8) Florida Polk 105 Significant Not Rated — Tailings
Mulberry Sw Florida Polk 105 Significant Not Rated —
South Fork No. 5 Dam West Virginia Hardy 105 High Satisfactory 1965 Flood Risk Reduction
Gibsonton (Sw1) Florida Hillsborough 105 Significant Not Rated — Tailings
Nichols (E-Center) Florida Polk 105 Significant Not Rated — Tailings
Mulberry N Florida Polk 105 Significant Not Rated — Tailings
Nichols (E) Florida Polk 105 Significant Not Rated — Tailings
Bradley Jxn 3 Florida Polk 105 Significant Not Rated — Tailings
Felsenthal Lock and Dam Arkansas Union 105 Significant Not Available 1978 Navigation
Keysville (S) Florida Polk 105 Significant Not Rated — Tailings
North Fork Pennsylvania Somerset 105 High Poor 1932 Water Supply
Hillsdale Dam Kansas Miami 105 High Not Available 1981 Flood Risk Reduction
Mulberry (3) Florida Polk 105 Significant Not Rated — Tailings
Nevada Creek Dam Montana Powell 105 High Satisfactory 1938 Irrigation
Mulberry E Florida Polk 105 Significant Not Rated — Tailings
Bradley Junction 1 Florida Polk 105 Significant Not Rated — Tailings
Mulberry E Florida Polk 105 Significant Not Rated — Tailings
Mulberry (1) Florida Polk 105 Significant Not Rated — Tailings
Carters Re-Regulation Dam Georgia Murray 105 High Not Available 1974 Hydroelectric
Keysville (E) Florida Polk 105 Significant Not Rated — Tailings
Bradley Jxn 6 Florida Polk 105 Significant Not Rated — Tailings
Live Oak Reservoir California Los Angeles 105 High Satisfactory 1975 Water Supply
Mulberry Nw Florida Polk 105 Significant Not Rated — Tailings
Do Gypsum Florida Hamilton 105 Significant Satisfactory — Tailings
Gibsonton (Sw2) Florida Hillsborough 105 Significant Not Rated — Tailings
Bradley Jxn 4 Florida Polk 105 Significant Not Rated — Tailings
Box Canyon Washington Pend Oreille 105 Low Satisfactory 1955 Hydroelectric
Fishing Creek South Carolina Lancaster 105 High Satisfactory 1916 Hydroelectric
Fishpond Lake Dam Kentucky Letcher 105 High Fair 1964 Recreation
South Fork No. 6 West Virginia Pendleton 105 High Fair 1963 Flood Risk Reduction
Keysville (N-Center) Florida Polk 105 Significant Not Rated — Tailings
Mulberry W Florida Polk 105 Significant Not Rated — Tailings
Bradley Junction S (Ctr) Florida Polk 105 Significant Not Rated — Tailings
Mulberry (12) Florida Polk 105 Significant Not Rated — Tailings

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.