Browse Dams

11,351 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,351 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
Collins Pond Dam Connecticut Fairfield 10 Significant Poor — Recreation
Hamilton Reservoir Rhode Island Washington 10 Significant Poor — Fish and Wildlife Pond
Nichols Pond Dam Connecticut New Haven 10 Significant Satisfactory — Recreation
Morris Lake Louisiana Vernon 10 Significant Fair 1944 Recreation
Stuts Dam New York Orange 10 Significant Poor — Fire Protection, Stock, Or ...
Wangum Lake Dam Connecticut Litchfield 10 Significant Satisfactory 1890 Water Supply
Clifton Grove Dam 1 North Carolina Wake 10 Significant Fair — Debris Control
Goslee Mill Pond Dam Delaware Sussex 10 Significant Not Rated — Recreation
Sunshine Lake Dam New Jersey Camden 10 Significant Satisfactory — Recreation
Nick Pond Pennsylvania Susquehanna 10 Significant Satisfactory 1996 Recreation
Busbees Pond Dam South Carolina Orangeburg 10 Significant Not Rated 1960 Recreation
Harris Pond Dam Massachusetts Hampden 10 Significant Fair — Recreation
Beaver Lake Dam Texas Burleson 10 Significant Not Rated 1960 Recreation
Gay City Pond Dam Connecticut Tolland 10 Significant Satisfactory — Recreation
Slopers Pond Dam Connecticut Hartford 10 Significant Satisfactory — Recreation
Doolittle Lake Dam Connecticut Litchfield 10 Significant Satisfactory 1920 Recreation
Henrich Pond Dam New York Rockland 10 Significant Poor 1960 Other
Davidsons Mill Pond Dam New Jersey Middlesex 10 Significant Fair 1950 Water Supply
Harvey Shaw Dam South Carolina Lee 10 Significant Fair 1950 Recreation
Gale Pond Dam Connecticut Hartford 10 Significant Satisfactory 1930 Recreation
Wurtsboro Hills Dam New York Sullivan 10 Significant Poor 1948 Recreation
Mill Pond Dam New York Columbia 10 Significant Not Rated 1890 Hydroelectric
Stepney Dam Connecticut Fairfield 10 Significant Fair 1927 Fish and Wildlife Pond
Tomlinson Lake Dam Connecticut Litchfield 10 Significant Poor 1950 Recreation
Rudy Pond Pennsylvania York 10 Significant Satisfactory 2005 Recreation
Hoover Pond Dam Connecticut Litchfield 10 Significant Satisfactory 1920 Recreation
Hawes Pond Dam Massachusetts Bristol 10 Significant Fair — Recreation
Sanders Lake Dam #1 North Montana Missoula 10 Significant — 1913 Water Supply
Whitehall Upper Pond Dam Massachusetts Middlesex 10 Significant Poor — Recreation
Middle Pond Dam No. 3 Massachusetts Bristol 10 Significant Satisfactory 1969 Recreation
Lake Hartridge Dam Florida Polk 10 Significant Not Rated 1959 Recreation
Lake Mattawa South Dam Massachusetts Franklin 10 Significant Poor 1893 Recreation
Walker Dam Texas Nacogdoches 10 Significant Not Rated 1982 Recreation
Levine Reservoir Dam New Jersey Passaic 10 Significant Fair — Water Supply
Lebanon Forest #1 Dam New Jersey Burlington 10 Significant Satisfactory — Recreation
Henion Pond Dam New Jersey Passaic 10 Significant Fair 1926 Recreation
Mcgirt's Millpond Dam South Carolina Lee 10 Significant Fair 1900 Recreation
Ulmer Brook Maine Hancock 10 Significant Unsatisfactory 1981 Recreation
Clarks Pond Dam Connecticut New Haven 10 Significant Fair — Recreation
Lake Boon Dam Massachusetts Middlesex 10 Significant Poor 1847 Recreation
Juniata Lake Pennsylvania Clearfield 10 Significant Fair 1934 Recreation
Lake Manitou Dam Indiana Fulton 10 Significant Poor 1827 Recreation
Schofield Pond Dam Connecticut New London 10 Significant Not Rated 1920 Recreation
South Middleton Dam Massachusetts Essex 10 Significant Poor —
Koa Lake Dam Texas La Salle 10 Significant Not Rated 1971 Water Supply
Jacobs Creek Pennsylvania Dauphin 10 Significant Satisfactory 1999 Flood Risk Reduction
Schrock Lake Dam Ohio Franklin 10 Significant Fair 1965 Recreation
Smeallie Dam New York Montgomery 10 Significant Poor 1974 Irrigation
Agfa Lake Dam New York Broome 10 Significant Poor — Recreation
Merriewold Lake Dam New York Sullivan 10 Significant Poor 1914 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.