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
Eads Lake Dam Illinois Edgar 15 Significant Not Available 1956 Recreation
Mcafee Glenwood Road Dam No. 2 New Jersey Sussex 15 Significant Satisfactory 2000 Flood Risk Reduction
Whitehall Reservoir Distribution Dam Massachusetts Middlesex 15 Significant Satisfactory — Recreation
Cyril Johnson Mill Dam Connecticut Tolland 15 Significant Not Rated — Water Supply
Beaver Lake Dam Illinois Grundy 15 Significant Not Available 1984 Recreation
Smithfield Packing Anaerobic Basin Dam North Carolina Bladen 15 Significant Satisfactory 1992 Other
Mooseheart Lake Dam Illinois Kane 15 Significant Not Available 1914 Flood Risk Reduction
Horseshoe Lake Dam Texas Val Verde 15 Significant Not Rated 1979 Irrigation
Frog Pond Dam New Hampshire Hillsborough 15 Significant Not Rated 1916 Recreation
Carpenter Pond Dam Massachusetts Norfolk 15 Significant Poor 1888 Recreation
Birnen Pond Dam North Carolina Mecklenburg 15 Significant Fair —
Newkirk Pond Dam New York Fulton 15 Significant Poor — Recreation
Regional Stormwater Facility T-40 Virginia Hanover 15 Significant Satisfactory — Recreation
Grover'S Mill Dam New Jersey Mercer 15 Significant Fair 1931 Recreation
Zelina Pennsylvania Erie 15 Significant Not Rated 1974 Recreation
Fawn Lake Dam North Alaska Ketchikan Gateway Borough 15 Significant Satisfactory 1959 Hydroelectric
Hutchinson Minnesota McLeod 15 Significant Satisfactory 1857 Recreation
Shaker Mill Pond Dam Massachusetts Berkshire 15 Significant Fair — Recreation
Faun Lake Dam New York Wyoming 15 Significant Not Rated 1955 Recreation
Wakely Dam New York Hamilton 15 Significant Poor 1967 Recreation
Illinois Central Reservoir Dam Illinois Jefferson 15 Significant Not Available 1926 Recreation
Bethune Pond Dam Massachusetts Essex 15 Significant Fair — Recreation
John Deere Tcao Dam Iowa Black Hawk 15 Significant Satisfactory 1980 Flood Risk Reduction
White Oak Lake Dam No. 1 (East) Indiana Knox 15 Significant Poor 1935 Recreation
Upper East Highland Lake Dam New Jersey Sussex 15 Significant Satisfactory 1957 Recreation
Pastorius - East Dike Colorado La Plata 15 Significant Fair 1923 Irrigation
Barrett Park Pond Dam Massachusetts Worcester 15 Significant Unsatisfactory — Recreation
Atkinson Lake Dam Missouri Callaway 15 Significant Not Rated 1976 Irrigation
Rose Brook Lower Dam Massachusetts Plymouth 15 Significant Fair 1930 Fire Protection, Stock, Or ...
Siverton Dam North Dakota McKenzie 15 Significant Not Rated 1934 Recreation
Blacksmith Fork Utah Cache 15 Significant Fair 1972 Hydroelectric
Rocky Mount Millpond Dam North Carolina Nash 15 Significant — 1923 Other
Nottoway Falls Dam Virginia Nottoway 15 Significant Fair — Water Supply
Lebo #2 Ne Dam Montana Wheatland 15 Significant Fair 1969 Irrigation
Rockland Print CO Dam #2 New York Rockland 15 Significant Poor 1875 Irrigation
Salt Point Mill Pond Dam New York Dutchess 15 Significant Poor 1908 Fire Protection, Stock, Or ...
Little Sebago Lake Maine Cumberland 15 Significant Fair 1890 Other
East Highland Lake Dam New Jersey Sussex 15 Significant Satisfactory 1947 Recreation
Upper Derby Colorado Adams 15 Significant Not Available 1942 Flood Risk Reduction
Scarletts Mill Dam Connecticut Hartford 15 Significant Fair — Recreation
Ravenwood Lake Dam Illinois St. Clair 15 Significant Not Available 1990 Recreation
Higgins Evaporation Pond Dam Nevada Clark 15 Significant Fair 2002 Other
Cook Lake Dam North Carolina Durham 15 Significant Poor 1960 Recreation
North Twin - Dike 3 Maine Penobscot 15 Significant Satisfactory 1934 Hydroelectric
Neponset River Dam - Lower Mills Massachusetts Suffolk 15 Significant Poor — Flood Risk Reduction
Farnsworth Reservoir Dam Utah Sevier 15 Significant Satisfactory 1885 Recreation
Union Street New Hampshire Hillsborough 15 Significant Satisfactory 1916 Hydroelectric
Lock C-11 Dam New York Washington 15 Significant Satisfactory 1910 Navigation
Jackson Pond Dam New York Chenango 15 Significant Satisfactory 1941 Other
Payette Lake Upper Idaho Valley 15 Significant Fair 1953 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.