Dams in Cheshire County, New Hampshire
89Total Dams
22High Hazard
23Significant
Dam Safety in Cheshire County, New Hampshire
Cheshire County has 89 dams tracked in the National Inventory of Dams. Of these, 22 are classified as high hazard — meaning failure would probably cause loss of human life. Another 23 carry a significant hazard classification. Currently, 22 dams have a condition assessment of poor or unsatisfactory.
The average dam in Cheshire County is 117 years old. The most common purpose is recreation. The tallest dam is Otter Brook Dam at 119 ft.
Explore more: Oldest dams in New Hampshire · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Otter Brook Dam | High | Not Available | 119 | Flood Risk Reduction | 1958 |
| Surry Mountain Dam | High | Not Available | 83 | Flood Risk Reduction | 1941 |
| Minnewawa | High | Satisfactory | 63 | Hydroelectric | 1923 |
| Babbidge Reservoir Dam | High | Satisfactory | 38 | Water Supply | 1931 |
| Pisgah Reservoir Dam | High | Poor | 33 | Recreation | 1870 |
| Seaver Reservoir Dam | High | Satisfactory | 30 | Recreation | 1924 |
| Howe Reservoir Dam | High | Fair | 30 | Recreation | 1924 |
| Woodward Pond Dam | High | Satisfactory | 22 | Water Supply | 1836 |
| Goose Pond Dam | High | Satisfactory | 22 | Recreation | 1868 |
| Walpole Reservoir Dam | High | Poor | 20 | Water Supply | 1901 |
| Three Mile Reservoir Dam | High | Satisfactory | 20 | Flood Risk Reduction | 1986 |
| Cheshire Mills Lower Dam | High | Poor | 18 | Hydroelectric | 1848 |
| Robinhood Park Reservoir Dam | High | Satisfactory | 18 | Recreation | 1872 |
| Upper Wilson Pond Dam | High | Poor | 17 | Recreation | 1910 |
| Childs Bog Dam | High | Satisfactory | 17 | Recreation | 1924 |
| Harrisville Pond Dam | High | Fair | 16 | Recreation | 1886 |
| Chesham Pond Dam | High | Satisfactory | 16 | Recreation | 1921 |
| Damon Upper Reservoir Dam | High | Satisfactory | 14 | Recreation | 1835 |
| Warren Lake Dam | High | Poor | 13 | Recreation | 1771 |
| Lower Damon Reservoir Dam | High | Poor | 13 | Recreation | 1832 |
| Granite Lake Dam | High | Satisfactory | 11 | Recreation | 1814 |
| Highland Lake Dam | High | Poor | 11 | Recreation | 1911 |
| Vilas Pool Dam | Significant | Poor | 31 | Recreation | 1866 |
| Cheshire Mills | Significant | Satisfactory | 27 | Hydroelectric | 1886 |
| Jaffrey Sewage Lagoon Dam | Significant | Fair | 25 | Other | 1984 |
| Ches Cnty Ww Lagoon Dam | Significant | Satisfactory | 20 | Other | 1971 |
| Paper Mills Holding Pond Dam | Significant | Fair | 20 | Other | 1974 |
| Mountain Brook Reservoir Dam | Significant | Fair | 18 | Recreation | 1951 |
| Lower Wilson Pond Dam | Significant | Satisfactory | 18 | Recreation | 1925 |
| Nubanusit Lake Dam | Significant | Poor | 16 | Recreation | 1861 |
| Troy Sewage Lagoons Dam | Significant | Satisfactory | 16 | Other | 1983 |
| Mill Pond Dam | Significant | Fair | 16 | Recreation | 1937 |
| Village Pond Dam | Significant | Poor | 15 | Recreation | 1919 |
| Contoocook River Dam | Significant | Fair | 15 | Recreation | 1861 |
| Poole Reservoir Dam | Significant | Poor | 14 | Recreation | 1926 |
| Bowker Pond Dam | Significant | Fair | 14 | Recreation | 1859 |
| Skatutakee Lake Dam | Significant | Satisfactory | 13 | Recreation | 1778 |
| Spofford Lake Dam | Significant | Satisfactory | 11 | Recreation | 1919 |
| Sand Pond Dam | Significant | Fair | 10 | Recreation | 1920 |
| Scott Pond Dam | Significant | Poor | 10 | Recreation | 1918 |
| Black Reservoir Dam | Significant | Poor | 10 | Recreation | 1850 |
| Silica Pond Dam | Significant | Poor | 9 | Recreation | 1930 |
| Hubbard Pond Dam & Dike | Significant | Fair | 8 | Recreation | 1836 |
| Ymca Camp Takodah Sewage Lagoon Dam | Significant | Satisfactory | 8 | Other | 1940 |
| Wilson Pond Dam | Significant | Poor | 8 | Recreation | 1920 |
| Vernon | Low | Satisfactory | 58 | Hydroelectric | 1909 |
| Bellows Falls | Low | Satisfactory | 48 | Hydroelectric | 1907 |
| Mill Pond Dam | Low | Poor | 20 | Recreation | 1880 |
| Spoons Pond Dam | Low | Poor | 20 | Recreation | 1966 |
| Fiske Mill Hydro Dam | Low | Not Rated | 20 | Hydroelectric | 1922 |
| Larrys Pond Dam | Low | Not Rated | 19 | Recreation | 1970 |
| Mud Pond Dam | Low | Fair | 18 | Recreation | 1899 |
| Fullam Pond Dam | Low | Not Rated | 18 | Recreation | |
| Ashuelot Paper Mill Dam | Low | Not Rated | 18 | Hydroelectric | 1910 |
| Lower Robertson | Low | Satisfactory | 18 | Hydroelectric | 1905 |
| Pioneer Lake Dam | Low | Not Rated | 17 | Recreation | 1971 |
| Island Pond Dam | Low | Poor | 17 | Recreation | 1920 |
| Stone Pond Dam | Low | Poor | 16 | Recreation | 1922 |
| Hidden Pond Dam | Low | Fair | 16 | Recreation | 1966 |
| Ashuelot River Dam | Low | Not Rated | 16 | Recreation | 1919 |
| Bancroft Reservoir Dam | Low | Poor | 15 | Recreation | 1935 |
| Kilburn Pond Dam | Low | Satisfactory | 15 | Recreation | 1935 |
| Sportsman Pond Dam | Low | Satisfactory | 15 | Recreation | 1910 |
| Rodgers Pond Dam | Low | Fair | 14 | Recreation | 1922 |
| Thorndike Pond Dam | Low | Satisfactory | 13 | Recreation | 1915 |
| Robb Reservoir Dam | Low | Fair | 13 | Recreation | 1912 |
| Cheshire | Low | Satisfactory | 13 | Hydroelectric | 1939 |
| Village Pond Dam | Low | Satisfactory | 12 | Recreation | 1915 |
| Russell Reservoir Dam | Low | Fair | 12 | Recreation | 1923 |
| Sand Pond Dam | Low | Fair | 12 | Recreation | 1925 |
| Swanzey Lake Dam | Low | Fair | 12 | Recreation | 1790 |
| Silver Lake Dam | Low | Satisfactory | 12 | Recreation | 1924 |
| Spoonwood Pond Dam | Low | Not Rated | 12 | Recreation | 1855 |
| Rockwood Pond Dam | Low | Fair | 11 | Recreation | 1915 |
| Gilson Pond Dam | Low | Satisfactory | 11 | Recreation | 1875 |
| Cranberry Pond Dam | Low | Poor | 11 | Recreation | 1925 |
| Robbins Pond Dam | Low | Satisfactory | 10 | Fish and Wildlife Pond | 1918 |
| Crowcroft Pond Dam | Low | Fair | 10 | Recreation | 1939 |
| Cold Spring Pond Dam | Low | Fair | 9 | Recreation | 1932 |
| Forest Lake Dam | Low | Poor | 8 | Recreation | 1915 |
| Goose Pond Dike | Low | Fair | 8 | Recreation | 1868 |
| Van Dyke Dam | Low | Fair | 8 | Recreation | 1982 |
| Perkins Pond Dam | Low | Fair | 7 | Recreation | 1935 |
| Pearly Pond Dam | Low | Fair | 7 | Recreation | 1935 |
| Meetinghouse Pond Dam | Low | Satisfactory | 7 | Recreation | 1840 |
| Stone Pond Mill Dam | Low | Satisfactory | 7 | Recreation | 1920 |
| Contoocook Lake Dam | Low | Not Rated | 7 | Recreation | 1885 |
| Stone Pond Overflow Dam | Low | Satisfactory | 6 | Recreation | |
| Mill Pond Road Dam | Undetermined | Not Rated | 17 | Recreation | 1979 |