Browse Dams
1,356 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 1,356 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 |
|---|---|---|---|---|---|---|---|
| Deerfield No. 5 - Canal #1 | Massachusetts | Franklin | 39 | Low | Satisfactory | 1910 | Hydroelectric |
| Mill Pond South Dike | Massachusetts | Middlesex | 39 | High | Satisfactory | 1973 | Water Supply |
| October Mountain Lake Dam | Massachusetts | Berkshire | 39 | High | Satisfactory | 1972 | Flood Risk Reduction |
| Crocker Pond Dam | Massachusetts | Worcester | 39 | High | Satisfactory | 1933 | Hydroelectric |
| Washington Mountain Lake Dam | Massachusetts | Berkshire | 38 | High | Satisfactory | 1974 | Flood Risk Reduction |
| Kettle Brook Reservoir No. 3 Dam | Massachusetts | Worcester | 38 | High | Fair | 1902 | Water Supply |
| Great Stone | Massachusetts | Essex | 38 | Low | Satisfactory | 1848 | Hydroelectric |
| Ware River Diversion Dam | Massachusetts | Worcester | 38 | Significant | Satisfactory | 1910 | Water Supply |
| Rising Paper Company Dam | Massachusetts | Berkshire | 38 | Significant | Satisfactory | - | |
| Great River Wall (Grw) | Massachusetts | Middlesex | 38 | Low | Satisfactory | 1848 | Hydroelectric |
| Southbridge Reservoir No. 5 Dam | Massachusetts | Worcester | 38 | Significant | Satisfactory | 1938 | Water Supply |
| Barre Falls Dam - Dike 2 | Massachusetts | Worcester | 38 | High | Not Available | 1958 | Flood Risk Reduction |
| Horse Pond Dam | Massachusetts | Worcester | 38 | Significant | Satisfactory | 1964 | Flood Risk Reduction |
| Gardners Falls | Massachusetts | Franklin | 37 | Low | Satisfactory | 1904 | Hydroelectric |
| Egypt Reservoir Dam | Massachusetts | Berkshire | 37 | High | Satisfactory | 1894 | Water Supply |
| Putnamville Reservoir Dam | Massachusetts | Essex | 37 | High | Satisfactory | 1954 | Water Supply |
| Grandin Reservoir Dam | Massachusetts | Franklin | 37 | High | Satisfactory | 1935 | Water Supply |
| Braintree Dam | Massachusetts | Norfolk | 37 | High | Fair | 1888 | Flood Risk Reduction |
| Fall Brook Reservoir Dam and Dike | Massachusetts | Worcester | 37 | High | Poor | 1896 | Water Supply |
| Upper Root Reservoir Dam | Massachusetts | Berkshire | 36 | High | Satisfactory | 1960 | Water Supply |
| Middle Roberts Meadow Reservoir Dam | Massachusetts | Hampshire | 36 | High | Fair | 1894 | Water Supply |
| New Charles River Dam | Massachusetts | Suffolk | 36 | Significant | Satisfactory | 1978 | Flood Risk Reduction |
| Kettle Brook Reservoir No. 4 Dam | Massachusetts | Worcester | 36 | High | Fair | 1904 | Water Supply |
| Blue Hills Reservoir Dam | Massachusetts | Norfolk | 36 | High | Satisfactory | 1950 | Recreation |
| Cabot Spillway | Massachusetts | Franklin | 35 | Low | Satisfactory | 1915 | Hydroelectric |
| Cabot Station | Massachusetts | Franklin | 35 | Low | Satisfactory | 1916 | Hydroelectric |
| Montague | Massachusetts | Franklin | 35 | Low | Satisfactory | 1915 | Hydroelectric |
| Mclean Reservoir Dam | Massachusetts | Hampden | 35 | Significant | Satisfactory | 1903 | Water Supply |
| Goose Cove North Dam | Massachusetts | Essex | 35 | High | Fair | 1963 | Water Supply |
| Norumbega Reservoir Dike No. 3 | Massachusetts | Middlesex | 34 | Significant | Satisfactory | 1940 | Water Supply |
| Windemere Lake Dam | Massachusetts | Berkshire | 34 | Low | Satisfactory | 1968 | Recreation |
| Ashmere Lake Dam | Massachusetts | Berkshire | 34 | High | Satisfactory | 1875 | Recreation |
| Horse Pond Dam | Massachusetts | Worcester | 34 | Significant | Satisfactory | - | Water Supply |
| Bear Hole Reservoir Dam | Massachusetts | Hampden | 34 | Significant | Satisfactory | 1957 | Recreation |
| Palmer Brook Dam | Massachusetts | Berkshire | 34 | High | Satisfactory | 1968 | Recreation |
| Lower Root Reservoir Dam | Massachusetts | Berkshire | 34 | High | Satisfactory | - | Water Supply |
| Norumbega Reservoir Dike No. 2 | Massachusetts | Middlesex | 34 | Significant | Satisfactory | 1940 | Water Supply |
| Central Street Dam | Massachusetts | Middlesex | 34 | High | Fair | 1659 | Other |
| Aldrich Lake Dam | Massachusetts | Hampshire | 34 | Significant | Fair | 1934 | Recreation |
| Sugden Reservoir Dam | Massachusetts | Worcester | 34 | High | Fair | 1882 | Recreation |
| Norumbega Reservoir East Dike | Massachusetts | Middlesex | 34 | High | Satisfactory | 1940 | Water Supply |
| Tyler Dam | Massachusetts | Middlesex | 34 | High | Satisfactory | 1965 | Flood Risk Reduction |
| Ware Upper | Massachusetts | Hampshire | 34 | Low | Satisfactory | 1890 | Hydroelectric |
| Norumbega Reservoir Dike No. 4 | Massachusetts | Middlesex | 34 | High | Satisfactory | 1940 | Water Supply |
| Watershops Pond Dam | Massachusetts | Hampden | 33 | High | Satisfactory | 1824 | Recreation |
| Atkins Reservoir Dam | Massachusetts | Franklin | 33 | High | Fair | 1930 | Water Supply |
| Mountain Street Reservoir Dam | Massachusetts | Hampshire | 33 | High | Fair | 1902 | Water Supply |
| Deerfield No. 5 - Canal #2 | Massachusetts | Berkshire | 33 | Low | Satisfactory | 1910 | Hydroelectric |
| Lower Bemis Pond Dam (Deleted) | Massachusetts | Hampden | 33 | Significant | Poor | 1862 | Recreation |
| Whitin Reservoir Dam | Massachusetts | Worcester | 33 | High | Satisfactory | 1854 | 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.