Browse Dams

11,354 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 11,354 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
Arnett Lake No. 2 Dam Ohio Warren 13 Significant Fair 1967 Recreation
Antrim Sewage Lagoons Dam New Hampshire Hillsborough 13 Significant Satisfactory 1978 Other
Northridge Pond Dam New Jersey Somerset 13 Significant Satisfactory - Flood Risk Reduction
Duhernal Dam New Jersey Middlesex 13 Significant Poor 1939 Recreation
Allamuchy Pond Dam New Jersey Warren 13 Significant Poor - Recreation
Waldo Lake Oregon Marion 13 Significant Not Rated 1960 Irrigation
Brookville Subdivision Dam New York Monroe 13 Significant Not Rated 1990 Flood Risk Reduction
Upper Pond Rhode Island Kent 13 Significant Fair 1900 Recreation
Swartz Pennsylvania Cambria 13 Significant Not Rated - Recreation
Harvin's Pond Dam South Carolina Sumter 13 Significant Poor 1955 Recreation
Meeting House Pond Dam South Carolina Chesterfield 13 Significant Not Rated 1955 Recreation
Saratoga Springs - Pond #6 Utah Utah 13 Significant Not Rated 2004 Irrigation
Richards Mill Wisconsin Marquette 13 Significant Fair 1882 Recreation
Billy Boy Wisconsin Sawyer 13 Significant Fair 1936 Recreation
Morin Pond Dam #2 Connecticut Litchfield 13 Significant Not Rated - Recreation
Alden Street Dike Massachusetts Hampden 13 Significant Fair 1940 Hydroelectric
Chase Reservoir Dam Connecticut Windham 13 Significant Satisfactory 1870 Recreation
Kimball Street Dam Illinois Kane 13 Significant Not Available 1884 Navigation
Hayden Pond Dam Massachusetts Berkshire 13 Significant Fair 1886
Dunn Pond Dam Massachusetts Worcester 13 Significant Satisfactory 1934 Recreation
St. Marys Lime Sludge Lagoons Ohio Auglaize 13 Significant Satisfactory 1988 Tailings
Wakeman Wwt Lagoon Ohio Huron 13 Significant Satisfactory 1993 Debris Control
Rockingham Cnty Wastewtr Lagoon Dam New Hampshire Rockingham 13 Significant Satisfactory 1990 Other
Englishtown Lake Dam New Jersey Monmouth 13 Significant Poor 1959 Recreation
Lisbon Wastewater Lagoons Dam New Hampshire Grafton 13 Significant Satisfactory - Other
Rosenfeld Pond Dam New York Broome 13 Significant Poor 1996 Recreation
Houston Upground Reservoir Ohio Clinton 13 Significant Poor 1935 Water Supply
Crossing No 3 Pennsylvania Chester 13 Significant Fair - Flood Risk Reduction
Kimball Reservoir Rhode Island Providence 13 Significant Poor 1924 Water Supply
Fairfield Sewage Aerated Lagoon - Lagoon 1 Washington Spokane 13 Significant Fair 2003 Other
Armadillo Drive Lake Dam Texas Walker 13 Significant Not Rated -
Bobcat Pond Maryland Allegany 13 Significant Poor 2016 Flood Risk Reduction
Winona Lake Dam North Carolina Jackson 13 Significant - - Recreation
Highstead Pond Dam Connecticut Fairfield 13 Significant Fair 1985 Other
Northfield Pond Dam Connecticut Litchfield 13 Significant Satisfactory 1855 Recreation
Hidden Lake Dam Connecticut Middlesex 13 Significant Satisfactory 1860 Recreation
Crescent Lake Dam Connecticut Hartford 13 Significant Satisfactory 1900 Recreation
Cold Brook Reservoir Dam Connecticut Hartford 13 Significant Poor 1919 Water Supply
Spring Valley Park Dam Michigan Kalamazoo 13 Significant Fair 1956 Recreation
Howe Mill Pond Dam Massachusetts Worcester 13 Significant Fair - Recreation
Brainerd Lake Dam New Jersey Middlesex 13 Significant Satisfactory 1840 Recreation
James Vance Wildlife Dam New York Chenango 13 Significant Not Rated 1972 Recreation
Ginger Lake Dam South Carolina Orangeburg 13 Significant Fair 1960 Recreation
Woodlake Dam Tennessee Shelby 13 Significant Satisfactory 1950 Recreation
Sutton Lake Dam Texas Tyler 13 Significant Not Rated 1915 Recreation
Lone Man Dam Texas Hays 13 Significant Not Rated -
Sulphur Springs Country Club Dam No 2 Texas Hopkins 13 Significant Not Rated 1975
Crystal Lake Reservoir Dam Connecticut Litchfield 13 Significant Fair 1892 Water Supply
Watersedge Pond Dam Connecticut New London 13 Significant Fair 1966 Recreation
S-121 Florida Miami-Dade 13 Significant Not Rated - Flood Risk Reduction

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.