Dams in Franklin County, Massachusetts
59Total Dams
10High Hazard
28Significant
Dam Safety in Franklin County, Massachusetts
Franklin County has 59 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 28 carry a significant hazard classification. Currently, 11 dams have a condition assessment of poor or unsatisfactory.
The average dam in Franklin County is 102 years old. The most common purpose is recreation. The tallest dam is Northfield Mt. - Main Dam at 145 ft.
Explore more: Oldest dams in Massachusetts · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Northfield Mt. - Main Dam | High | Satisfactory | 145 | Hydroelectric | 1973 |
| Fife Brook | High | Satisfactory | 130 | Hydroelectric | 1974 |
| Sherman | High | Satisfactory | 110 | Hydroelectric | 1927 |
| Francis P. Ryan Dam | High | Fair | 80 | Water Supply | 1970 |
| Conway Reservoir Dam | High | Satisfactory | 65 | Water Supply | 1975 |
| Grandin Reservoir Dam | High | Satisfactory | 37 | Water Supply | 1935 |
| Atkins Reservoir Dam | High | Fair | 33 | Water Supply | 1930 |
| West Whately Reservoir Dam | High | Fair | 23 | Water Supply | 1903 |
| Ashfield Lake Dam | High | Satisfactory | 16 | Recreation | 1897 |
| Lake Wyola Dam | High | Fair | 12 | Recreation | |
| Upper Glen Reservoir Dam | Significant | Satisfactory | 59 | Water Supply | 1904 |
| South Deerfield Water Supply Dam | Significant | Fair | 30 | Water Supply | |
| Shelburne Falls Fire District Reservoir Dam | Significant | Fair | 28 | Water Supply | 1921 |
| Nelson Mills Pond Dam | Significant | Poor | 27 | Recreation | 1937 |
| Packard Pond Dam | Significant | Fair | 25 | Recreation | |
| Kendall Company No. 1 Dam | Significant | Satisfactory | 25 | Other | 1831 |
| Pumping Station Dam | Significant | Satisfactory | 22 | Water Supply | |
| Greenfield Electric Light & Power Dam | Significant | Fair | 21 | ||
| Tully Pond Dam | Significant | Fair | 20 | Recreation | |
| Standish Chard Dam | Significant | Poor | 20 | Other | |
| Conway Recreation Dam | Significant | Satisfactory | 20 | Recreation | 1949 |
| Upper Reservoir Dam | Significant | Fair | 17 | Fire Protection, Stock, Or Small Fish Pond | |
| Stillwater Dam | Significant | Fair | 17 | Recreation | |
| Whitmore Pond Dam | Significant | Poor | 16 | 1967 | |
| Sheomet Lake Dam | Significant | Fair | 16 | Recreation | |
| Hallockville Pond Dam | Significant | Fair | 15 | Recreation | |
| Lake Mattawa North Dam | Significant | Poor | 15 | Recreation | 1893 |
| Colrain Lower Reservoir Dam | Significant | Fair | 15 | Fire Protection, Stock, Or Small Fish Pond | 1902 |
| Haskins Pond Dam | Significant | Poor | 15 | Recreation | 1820 |
| Pelham Lake Dam | Significant | Fair | 14 | Recreation | 1850 |
| Vorces Pond Dam | Significant | Fair | 12 | 1892 | |
| Mill Pond Dam | Significant | Satisfactory | 12 | Recreation | |
| Mcavoy Pond Dam | Significant | Fair | 12 | Recreation | 1956 |
| Papoose Lake Upper Dam | Significant | Poor | 12 | Recreation | |
| Richard Clapp Dam | Significant | Fair | 11 | Recreation | 1955 |
| Lake Mattawa South Dam | Significant | Poor | 10 | Recreation | 1893 |
| Mahar Regional School Dam | Significant | Satisfactory | 10 | Recreation | 1956 |
| Ruggles Pond Dam | Significant | Fair | 9 | Recreation | 2007 |
| Conway Electric Dam | Low | Poor | 77 | Recreation | 1898 |
| Deerfield No. 2 | Low | Satisfactory | 76 | Hydroelectric | 1913 |
| Gardners Falls | Low | Satisfactory | 37 | Hydroelectric | 1904 |
| Cabot Station | Low | Satisfactory | 35 | Hydroelectric | 1916 |
| Horse Shoe Regulating Dam | Low | 32 | Water Supply | 1938 | |
| Bear Swamp - Dike A | Low | Satisfactory | 23 | Hydroelectric | 1974 |
| Atkins Reservoir Dike | Low | Fair | 20 | Water Supply | 1932 |
| Deerfield No. 4 - Forebay | Low | Satisfactory | 20 | Hydroelectric | 1912 |
| Gales Pond Dam | Low | Satisfactory | 18 | Fish and Wildlife Pond | |
| Wheeler Pond Dam | Low | Satisfactory | 17 | Recreation | 1824 |
| Stevens Swamp Dam | Low | Poor | 15 | Recreation | |
| Ford Pond Dam | Low | Satisfactory | 12 | Recreation | 1900 |
| Deerfield No. 3 | Low | Satisfactory | 12 | Hydroelectric | 1912 |
| Mcleod Pond Dam | Low | Poor | 11 | Recreation | |
| Fiske Pond Dam | Low | Fair | 10 | Recreation | |
| Bowen's Pond Dam | Low | Poor | 10 | ||
| Whites Pond Dam | Low | Fair | 10 | Recreation | 1940 |
| New Home | Low | Satisfactory | 9 | Hydroelectric | 1936 |
| Laurel Lake Dam | Low | Fair | 9 | Recreation | |
| Richards Reservoir Upper Dam | Low | Fair | 9 | Recreation | |
| Moores Pond Dam | Low | Fair | 8 | Recreation | 2010 |