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Browse Dams

1,402 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,402 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
Beckjord Ash Pond C Ext. Dam Ohio Clermont 40 Significant Fair 1985 Tailings
Holiday Lake Dam Ohio Huron 40 High Satisfactory 1965 Recreation
Paradise Lakes - South Lake Dam Ohio Preble 40 High Poor 1946 Recreation
Lake Medina Dam Ohio Medina 40 High Fair 1966 Recreation
Seven Springs Lake Dam Ohio Medina 40 High Poor 1961 Recreation
Hinckley Lake Dam Ohio Medina 40 High Poor 1928 Recreation
Red Hill Farm Dam No. 4 Ohio Guernsey 40 Low Satisfactory 1994 Irrigation
Hunters Run Structure No. R-23 Ohio Fairfield 40 Significant Satisfactory 1960 Flood Risk Reduction
Clark Lake No. 2 Dam Ohio Pickaway 40 Low Poor — Recreation
Seneca Lake Peninsula Dmra Pond Dam Ohio Noble 40 Undetermined Not Rated 2020 Tailings
Elkem Fluid Waste Pond 3a Ohio Ashtabula 40 Significant Fair 1967 Tailings
Kyger Creek South Fly Ash Pond Ohio Gallia 40 Significant Satisfactory 1955 Tailings
Lake Rupert Dam Ohio Vinton 40 High Poor 1968 Water Supply
Kerruish Stormwater Control Facility Dam Ohio Cuyahoga 40 High Satisfactory 1954 Flood Risk Reduction
Charles Mill Dam - Dike 1 Ohio Ashland 40 High Not Available 1936
Naco Lake Dam Ohio Jefferson 40 Significant Satisfactory 1958 Recreation
Bridge Creek Dam Ohio Geauga 40 High Poor 1961 Water Supply
Mcclain Lake Dam Ohio Licking 40 Low Satisfactory 2018 Recreation
Lake Maria Dam Ohio Richland 40 Significant Poor 1958 Recreation
Royal Oak Golf Course Pond No. 2 Dam Ohio Clermont 39 Significant Poor 1966 Water Supply
Stevens Lake Dam Ohio Harrison 39 High Poor 1963 Recreation
Lake White Dam Ohio Pike 39 High Fair 1935 Recreation
Jefferson Sportsman'S Lake No. 1 Dam Ohio Jefferson 39 Low Satisfactory 1966 Recreation
Hickory Lake Dam Ohio Holmes 39 Low Fair 1967 Recreation
Oeder Lake No. 3 Dam Ohio Warren 39 Significant Satisfactory 1953 Recreation
Lake Austin Dam Ohio Jefferson 39 High Satisfactory 1947 Recreation
Norwalk Upper Reservoir Ohio Huron 39 High Satisfactory 1896 Water Supply
East Fork Buck Creek Structure Iv-A Ohio Champaign 39 Significant Fair 1966 Flood Risk Reduction
Russellville Reservoir Dam Ohio Brown 39 Low Poor 1963 Recreation
Seleski Lake No. 2 Dam Ohio Harrison 39 Significant Poor 1963 Recreation
Swift Run Lake Dam Ohio Miami 39 Significant Poor 1876 Water Supply
Summitcrest Farm Pond Dam Ohio Columbiana 39 Significant Poor 1960 Recreation
Siedel Lake Dam Ohio Medina 39 High Fair 1968 Recreation
Jm Stuart Station Ash Pond No. 7 Ohio Adams 39 Significant Poor — Tailings
Echo Valley Lake Dam Ohio Lorain 39 Low Satisfactory 1999 Water Supply
New London Reservoir Ohio Huron 39 High Satisfactory 1975 Water Supply
Thor Lake Dam Ohio Preble 39 Low Fair 1970 Recreation
Lamborn No. 4 Dam Ohio Harrison 39 Low Satisfactory 1968 Recreation
Ohio Power Company Pond Mb-115 Dam Ohio Morgan 38 Low Fair 1967 Recreation
International Animal Preserve Dam 9715-009 Ohio Muskingum 38 Low Poor 1972 Water Supply
Greenbriar Lake Dam Ohio Butler 38 Low Poor 1958 Recreation
Acacia Country Club Lake Dam Ohio Cuyahoga 38 Significant Poor — Flood Risk Reduction
Eldon Reservoir Dam Ohio Guernsey 38 Low Poor 1933 Water Supply
East Fork Buck Creek Structure I-B Ohio Champaign 38 Significant Poor 1966 Flood Risk Reduction
Ledge Lake Dam Ohio Medina 38 Low Satisfactory 1965 Recreation
Lost Creek Upground Reservoir Ohio Allen 38 High Poor 1917 Water Supply
Holiday Haven Lake Dam I Ohio Hocking 38 High Satisfactory 1961 Recreation
Veto Lake Dam Ohio Washington 38 High Fair 1954 Recreation
Ohio Power Company Pond Mb-141 Dam Ohio Morgan 38 Low Fair 1968 Other
Havens Lake Dam Ohio Delaware 38 Low Fair 1980 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.