Dams in Hampden County, Massachusetts
84Total Dams
20High Hazard
36Significant
Dam Safety in Hampden County, Massachusetts
Hampden County has 84 dams tracked in the National Inventory of Dams. Of these, 20 are classified as high hazard — meaning failure would probably cause loss of human life. Another 36 carry a significant hazard classification. Currently, 17 dams have a condition assessment of poor or unsatisfactory.
The average dam in Hampden County is 110 years old. The most common purpose is recreation. The tallest dam is Cobble Mountain Reservoir Dam at 245 ft.
Explore more: Oldest dams in Massachusetts · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Cobble Mountain Reservoir Dam | High | Satisfactory | 245 | Water Supply | 1930 |
| Granville Reservoir Dam | High | Satisfactory | 85 | Water Supply | 1930 |
| Borden Brook Reservoir Dam | High | Satisfactory | 77 | Water Supply | 1909 |
| Black Brook Pl-566 Flood Control Dam | High | Satisfactory | 60 | Water Supply | 1971 |
| Arm Brook Pl-566 Flood Control Dam | High | Satisfactory | 58 | Flood Risk Reduction | 1963 |
| Lower Van Horn Reservoir Dam | High | Satisfactory | 52 | Recreation | 1848 |
| Powdermill Brook Pl-566 Flood Control Dam | High | Fair | 48 | Flood Risk Reduction | 1962 |
| Chicopee Reservoir Dam | High | Fair | 47 | Recreation | 1927 |
| Cherry Valley Dam | High | Fair | 41 | Water Supply | 1877 |
| Westfield Reservoir Dam | High | Fair | 41 | 1874 | |
| West Parish Filter No. 3 Dam | High | Fair | 39 | Water Supply | 1910 |
| Watershops Pond Dam | High | Satisfactory | 33 | Recreation | 1824 |
| Mountain Lake Dam | High | Satisfactory | 32 | Flood Risk Reduction | 1923 |
| Indian Orchard | High | Satisfactory | 30 | Hydroelectric | 1846 |
| Holyoke - Overflow No. 2 | High | Satisfactory | 30 | Hydroelectric | 1860 |
| Provin Mountain Reservoir Dam | High | Satisfactory | 30 | Water Supply | 1910 |
| Ludlow Reservoir Dam | High | Satisfactory | 19 | Water Supply | 1877 |
| Whiting Street Reservoir Dam | High | Fair | 19 | Water Supply | 1900 |
| Hamilton Reservoir Dam | High | Fair | 17 | Recreation | |
| Conant Brook Dam - Dike | High | Not Available | 14 | Flood Risk Reduction | 1966 |
| Mclean Reservoir Dam | Significant | Satisfactory | 35 | Water Supply | 1903 |
| Bear Hole Reservoir Dam | Significant | Satisfactory | 34 | Recreation | 1957 |
| Lower Bemis Pond Dam | Significant | Poor | 33 | Recreation | 1862 |
| Upper Van Horn Reservoir Dam | Significant | Poor | 31 | Recreation | 1848 |
| West Parish Filter No. 2 Dam | Significant | Poor | 30 | Water Supply | 1910 |
| West Parish Filter No. 1 Dam | Significant | Fair | 28 | Water Supply | 1924 |
| Palmer Upper Reservoir Dam | Significant | Satisfactory | 25 | Water Supply | 1930 |
| Calkins Pond Upper Dam | Significant | Fair | 25 | Recreation | |
| Dwight | Significant | Satisfactory | 24 | Hydroelectric | 1860 |
| Porter Lake Dam | Significant | Poor | 24 | Recreation | 1919 |
| Diamond International Corp Upper Dam | Significant | Satisfactory | 23 | Hydroelectric | 1876 |
| Lost Wilderness Lake Southern Dam | Significant | Satisfactory | 23 | Recreation | 1975 |
| Lost Wilderness Lake Northern Dam | Significant | Satisfactory | 23 | Recreation | 1976 |
| Dean Pond Dam | Significant | Satisfactory | 21 | Recreation | 1933 |
| Breckwood Pond Dam | Significant | Poor | 20 | Recreation | 1934 |
| Pulpit Rock Pond Dam And Auxiliary Spillway | Significant | Fair | 20 | Recreation | |
| Wards Pond Dam | Significant | Fair | 20 | Recreation | 1892 |
| Longmeadow Country Club Dam | Significant | Poor | 18 | Irrigation | 1890 |
| Zero Manufacturing Company Dam | Significant | Fair | 18 | Recreation | |
| Wheeler Pond Dam | Significant | Fair | 17 | Recreation | 1956 |
| Boulder Hill Pond Dam | Significant | Satisfactory | 16 | Recreation | |
| Springfield Country Club Dam | Significant | Satisfactory | 15 | Flood Risk Reduction | 2000 |
| Silver Lake Dam | Significant | Satisfactory | 15 | Recreation | 1878 |
| Calkins Pond Dam | Significant | Satisfactory | 14 | Recreation | 1961 |
| Shawville Pond Dam | Significant | Satisfactory | 13 | Recreation | |
| Lake Bray Dam | Significant | Fair | 13 | Recreation | |
| Lake George Dam | Significant | Fair | 11 | Recreation | |
| Cooley Lake Dam | Significant | Fair | 11 | Recreation | |
| Ashley Pond Dam | Significant | Satisfactory | 11 | Water Supply | 1897 |
| Lunden Dam | Significant | Fair | 10 | Recreation | 1958 |
| Wade Lake Dam | Significant | Fair | 10 | Recreation | |
| Russell Pond Dam | Significant | Fair | 10 | Recreation | |
| Squires Dam | Significant | Fair | 10 | Recreation | |
| Harris Pond Dam | Significant | Fair | 10 | Recreation | |
| Westfield Sportsman's Club Dam | Significant | Satisfactory | 10 | Recreation | 1955 |
| Long Pond Dam | Significant | Satisfactory | 8 | Water Supply | 1893 |
| Intake Dam | Low | Fair | 59 | Water Supply | 1909 |
| Stevens Paper Company Lower Dam | Low | Poor | 30 | 1957 | |
| Russell | Low | Satisfactory | 30 | Hydroelectric | 1905 |
| Stevens Paper Company Upper Dam | Low | Fair | 26 | Recreation | 1901 |
| Woronoco - North Dam | Low | Satisfactory | 25 | Hydroelectric | 1938 |
| Cranberry Pond Dam | Low | Satisfactory | 24 | Recreation | 1966 |
| Clear Pond Dam | Low | Poor | 22 | ||
| Putts Bridge | Low | Satisfactory | 22 | Hydroelectric | 1918 |
| Norcross Pond No. 2 Dam | Low | Poor | 19 | Recreation | |
| Diamond International Corp Lower Dam | Low | Fair | 19 | Hydroelectric | 1872 |
| Clear Pond West Dike | Low | Poor | 19 | ||
| West Springfield | Low | Satisfactory | 18 | Hydroelectric | 1840 |
| Upper Bemis Pond Dam | Low | Poor | 17 | 1954 | |
| Mill Pond Dam | Low | Fair | 17 | Recreation | 1892 |
| Norcross Pond No. 3 Dam | Low | Poor | 16 | Recreation | |
| Chapin Pond | Low | Fair | 15 | 1900 | |
| Woodman Pond Dam | Low | Fair | 15 | Recreation | 1930 |
| Church Manufacturing Company Dam | Low | Poor | 14 | 1900 | |
| W.d. Cheney Dam | Low | 13 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Vinica Pond Dam | Low | Poor | 13 | Recreation | |
| Thompson Lake Dam | Low | Fair | 13 | Recreation | 1900 |
| Trout Pond Dam | Low | Unsatisfactory | 11 | Recreation | 1920 |
| Collins | Low | Satisfactory | 11 | Hydroelectric | 1984 |
| Camp Kinderland Dam | Low | Unsatisfactory | 11 | Recreation | 1950 |
| Railroad Dike | Low | Fair | 10 | Hydroelectric | 1901 |
| Chicopee | Low | Satisfactory | 9 | Hydroelectric | 1898 |
| Paradise Lake Dam | Low | Satisfactory | 8 | Recreation | 1930 |
| Wetstone Tobacco Company No. 3 Dam | Low | Poor | 7 | Irrigation | 1955 |