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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.

Name State County Height (ft) Hazard Condition Year Purpose
Crocker Pond Dam Massachusetts Worcester 39 High Satisfactory 1933 Hydroelectric
October Mountain Lake Dam Massachusetts Berkshire 39 High Satisfactory 1972 Flood Risk Reduction
Kendall Reservoir Dam Massachusetts Worcester 39 High Fair 1911 Water Supply
Deerfield No. 5 - Canal #1 Massachusetts Franklin 39 Low Satisfactory 1910 Hydroelectric
Washington Mountain Lake Dam Massachusetts Berkshire 38 High Satisfactory 1972 Flood Risk Reduction
Ware River Diversion Dam Massachusetts Worcester 38 Significant Satisfactory 1910 Flood Risk Reduction
Horse Pond Dam Massachusetts Worcester 38 Significant Satisfactory 1964 Flood Risk Reduction
Great Stone Massachusetts Essex 38 Low Satisfactory 1848 Hydroelectric
Southbridge Reservoir No. 5 Dam Massachusetts Worcester 38 Significant Satisfactory 1938 Water Supply
Great River Wall (Grw) Massachusetts Middlesex 38 Low Satisfactory 1848 Hydroelectric
Kettle Brook Reservoir No. 3 Dam Massachusetts Worcester 38 High Fair 1902 Water Supply
Rising Paper Company Dam Massachusetts Berkshire 38 Significant Satisfactory —
Barre Falls Dam - Dike 2 Massachusetts Worcester 38 High Not Available 1958 Flood Risk Reduction
Gardners Falls Massachusetts Franklin 37 Low Satisfactory 1904 Hydroelectric
Fall Brook Reservoir Dam and Dike Massachusetts Worcester 37 High Poor 1896 Water Supply
Grandin Reservoir Dam Massachusetts Franklin 37 High Satisfactory 1935 Water Supply
Putnamville Reservoir Dam Massachusetts Essex 37 High Satisfactory 1954 Water Supply
Braintree Dam Massachusetts Norfolk 37 High Fair 1888 Flood Risk Reduction
Egypt Reservoir Dam Massachusetts Berkshire 37 High Satisfactory 1894 Water Supply
Blue Hills Reservoir Dam Massachusetts Norfolk 36 High Satisfactory 1950 Recreation
New Charles River Dam Massachusetts Suffolk 36 Significant Satisfactory 1978 Flood Risk Reduction
Upper Root Reservoir Dam Massachusetts Berkshire 36 High Satisfactory 1960 Water Supply
Kettle Brook Reservoir No. 4 Dam Massachusetts Worcester 36 High Satisfactory 1904 Water Supply
Middle Roberts Meadow Reservoir Dam Massachusetts Hampshire 36 High Fair 1894 Water Supply
Goose Cove North Dam Massachusetts Essex 35 High Fair 1963 Water Supply
Mclean Reservoir Dam Massachusetts Hampden 35 Significant Satisfactory 1903 Water Supply
Montague Massachusetts Franklin 35 Low Satisfactory 1915 Hydroelectric
Cabot Station Massachusetts Franklin 35 Low Satisfactory 1916 Hydroelectric
Cabot Spillway Massachusetts Franklin 35 Low Satisfactory 1915 Hydroelectric
Ware Upper Massachusetts Hampshire 34 Low Satisfactory 1890 Hydroelectric
Bear Hole Reservoir Dam Massachusetts Hampden 34 Significant Satisfactory 1957 Recreation
Tyler Dam Massachusetts Middlesex 34 High Satisfactory 1965 Flood Risk Reduction
Norumbega Reservoir Dike No. 2 Massachusetts Middlesex 34 Significant Satisfactory 1940 Water Supply
Horse Pond Dam Massachusetts Worcester 34 Significant Satisfactory — Water Supply
Ashmere Lake Dam Massachusetts Berkshire 34 High Satisfactory 1875 Recreation
Central Street Dam Massachusetts Middlesex 34 High Fair 1659 Other
Windemere Lake Dam Massachusetts Berkshire 34 Low Satisfactory 1968 Recreation
Sugden Reservoir Dam Massachusetts Worcester 34 High Satisfactory 1882 Recreation
Norumbega Reservoir Dike No. 3 Massachusetts Middlesex 34 Significant Satisfactory 1940 Water Supply
Lower Root Reservoir Dam Massachusetts Berkshire 34 High Satisfactory — Water Supply
Palmer Brook Dam Massachusetts Berkshire 34 High Satisfactory 1968 Recreation
Norumbega Reservoir Dike No. 4 Massachusetts Middlesex 34 High Satisfactory 1940 Water Supply
Aldrich Lake Dam Massachusetts Hampshire 34 Significant Fair 1934 Recreation
Norumbega Reservoir East Dike Massachusetts Middlesex 34 High Satisfactory 1940 Water Supply
Lower Bemis Pond Dam Massachusetts Hampden 33 Significant Poor 1862 Recreation
Deerfield No. 5 - Canal #2 Massachusetts Berkshire 33 Low Satisfactory 1910 Hydroelectric
Whitin Reservoir Dam Massachusetts Worcester 33 High Satisfactory 1854 Recreation
Watershops Pond Dam Massachusetts Hampden 33 High Satisfactory 1824 Recreation
Mountain Street Reservoir Dam Massachusetts Hampshire 33 High Fair 1902 Water Supply
Atkins Reservoir Dam Massachusetts Franklin 33 High Fair 1930 Water Supply

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.