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Browse Dams

1,340 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,340 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
Conant Brook Dam - Dike Massachusetts Hampden 14 High Not Available 1966 Flood Risk Reduction
Ocean Spray Dam Massachusetts Plymouth 13 Low — —
Beaver Dam Pond Dam Massachusetts Plymouth 13 Low — 1928 Irrigation
Ortolani No. 2 Dam Massachusetts Plymouth 13 Low — 1900 Fire Protection, Stock, Or ...
Mill Pond Dam Massachusetts Essex 13 Significant Satisfactory 2013 Recreation
Indian Brook Dam Massachusetts Plymouth 13 High Fair 1930 Irrigation
Ortolani Reservoir No. 3 Dam Massachusetts Plymouth 13 Low Fair 1910 Fire Protection, Stock, Or ...
Mill Pond Dam Massachusetts Barnstable 13 Significant Fair — Recreation
W.D. Cheney Dam Massachusetts Hampden 13 Low — 1930 Fire Protection, Stock, Or ...
Shawville Pond Dam Massachusetts Hampden 13 Significant Satisfactory — Recreation
Bogastow Pond Dam Massachusetts Norfolk 13 Low Poor 1900 Recreation
Perryville Pond Dam Massachusetts Worcester 13 Significant Fair 1870 Recreation
Fountain Pond Dam Massachusetts Essex 13 High Fair 1902 Water Supply
Parsons Reservoir Dam Massachusetts Worcester 13 Significant Fair — Recreation
Irish Dam Massachusetts Worcester 13 Significant Fair — Recreation
Taft Pond Dam Massachusetts Worcester 13 Low Poor — Recreation
Briggs Reservoir Dam No. 1 Massachusetts Plymouth 13 Low Fair 1917 Fire Protection, Stock, Or ...
Greenes Pond Dam Massachusetts Worcester 13 Significant Poor 1925 Recreation
Riceville Pond Dam Massachusetts Worcester 13 Low Fair 1950 Recreation
Mill Pond Dam Massachusetts Worcester 13 Significant Poor —
Oakman Pond Dam Massachusetts Plymouth 13 Significant Satisfactory — Fish and Wildlife Pond
Hammershop Pond Dam Massachusetts Norfolk 13 Significant Satisfactory — Recreation
Old Water Supply Dam Massachusetts Middlesex 13 Significant Satisfactory 1900 Recreation
Lac Marie Dam Massachusetts Worcester 13 Significant Satisfactory — Recreation
Dunn Pond Dam Massachusetts Worcester 13 Significant Satisfactory 1934 Recreation
Benedict Pond Dam Massachusetts Berkshire 13 Low Satisfactory 1934 Recreation
Eames Pond Dam Massachusetts Worcester 13 Significant Poor — Recreation
Lake Ellis Dam Massachusetts Worcester 13 Significant Fair 1852 Recreation
Alden Street Dike Massachusetts Hampden 13 Significant Fair 1940 Hydroelectric
Hayden Pond Dam Massachusetts Berkshire 13 Significant Fair 1886
Factory Pond Dam Massachusetts Middlesex 13 Significant Poor 1873 Recreation
Howe Mill Pond Dam Massachusetts Worcester 13 Significant Fair — Recreation
O'Brien Pond Dam Massachusetts Hampshire 13 Significant Poor — Recreation
Field Pond Dam Massachusetts Essex 13 Significant Satisfactory 1930 Recreation
Stevens Pond East Dam Massachusetts Essex 13 Significant Fair — Recreation
Mill River Culvert and Tide Gate Massachusetts Essex 13 Low Fair — Flood Risk Reduction
Milford Pond Dam Massachusetts Bristol 13 Low Poor 1900 Recreation
Cow Pond Brook Dam Massachusetts Middlesex 13 Significant Fair — Recreation
Collins Pond Dam Massachusetts Essex 13 Significant Satisfactory 1930 Recreation
Cochichewick River Dam Massachusetts Essex 13 Significant Unsatisfactory 1820
Old Mill Pond Dam Massachusetts Worcester 13 Significant Poor —
Vinica Pond Dam Massachusetts Hampden 13 Low Poor — Recreation
Lake Como Dam Massachusetts Bristol 13 Significant Fair — Recreation
Morey'S Bridge Dam Massachusetts Bristol 13 High Satisfactory 1832 Recreation
Blackstone River Saranac Dam At Canal Street Massachusetts Worcester 13 Low Fair 1910 Recreation
Lake Cochichewick Outlet Dam Massachusetts Essex 13 High Fair 1865 Water Supply
Lake Bray Dam Massachusetts Hampden 13 Significant Fair — Recreation
Louisa Lake Dam Massachusetts Worcester 13 Significant Satisfactory 1900 Recreation
Mount Pleasant Pond Dam Massachusetts Worcester 13 Significant Fair 1967 Irrigation
Thompson Lake Dam Massachusetts Hampden 13 Low Fair 1900 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.