Dams in Sullivan County, New Hampshire
42Total Dams
7High Hazard
19Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Whitewater Brook Dam | High | Fair | 95 | Water Supply | 1968 |
| Gunnison Lake Site D2 Dam | High | Fair | 62 | Flood Risk Reduction | 1983 |
| Rice Reservoir Dam | High | Satisfactory | 48 | Water Supply | 1935 |
| Dole Reservoir Dam | High | Fair | 43 | Water Supply | 1913 |
| Eastman Lake Dam | High | Satisfactory | 35 | Recreation | 1972 |
| Loon Lake Dam | High | Poor | 15 | Recreation | 1920 |
| Ashuelot Pond Dam | High | Poor | 13 | Recreation | 1872 |
| Sweetwater | Significant | Satisfactory | 33 | Hydroelectric | 1922 |
| Lower Valley | Significant | Satisfactory | 33 | Hydroelectric | 1921 |
| Millen Lake Dam | Significant | Satisfactory | 23 | Recreation | 1970 |
| Dorr Woolen Sewage Lagoon Dam | Significant | Fair | 20 | Other | 1982 |
| Cold Brook Pond Dam | Significant | Satisfactory | 19 | Recreation | 1956 |
| Eastman Treatment Lagoons Dam | Significant | Not Rated | 18 | Flood Risk Reduction | |
| Mcgary Fletcher Rec Pond Dam | Significant | Satisfactory | 18 | Recreation | 1978 |
| Sugar River I | Significant | Satisfactory | 18 | Hydroelectric | 1928 |
| Wendall Marsh Dam | Significant | Fair | 15 | Recreation | |
| Sunapee | Significant | Satisfactory | 15 | Hydroelectric | 1856 |
| Sunapee Lake Dam | Significant | Not Rated | 14 | Recreation | 1872 |
| May Pond Dam | Significant | Fair | 14 | Recreation | 1830 |
| Morgan Pond Dam | Significant | Fair | 12 | Recreation | 1939 |
| Municipal Primary Sewage Lagoon 1 | Significant | Satisfactory | 11 | Other | 1968 |
| Municipal Finishing Sewage Lagoon 2 | Significant | Satisfactory | 11 | Other | 1968 |
| Dole Reservoir Dike | Significant | Fair | 11 | Water Supply | 1913 |
| Sugar River Ii | Significant | Satisfactory | 10 | Hydroelectric | 2009 |
| Meriden Village Sewage Lagoon Dam | Significant | Satisfactory | 9 | Other | 1982 |
| Charlestown Ww Lagoon Dam | Significant | Satisfactory | 5 | Other | 1995 |
| High View Wildlife Pond Dam | Low | Poor | 27 | Recreation | 1968 |
| Eastman Holding Pond Dam | Low | Not Rated | 23 | Other | |
| Davison Wildlife Pond Dam | Low | Satisfactory | 23 | Fish and Wildlife Pond | 1968 |
| Bog Brook Pond Dam | Low | Satisfactory | 18 | Recreation | 1957 |
| Washburn Corners Dam | Low | Satisfactory | 14 | Recreation | 1950 |
| Island Pond Dam | Low | Satisfactory | 13 | Recreation | 1861 |
| Otter Pond Dam | Low | Satisfactory | 12 | Recreation | 1920 |
| Richardson Brook Pond Dam | Low | Poor | 12 | Recreation | 1968 |
| Wildlife Pond Dam | Low | Satisfactory | 12 | Fish and Wildlife Pond | 1972 |
| Long Pond Dam | Low | Fair | 10 | Recreation | 1910 |
| Willow Pond Dam | Low | Satisfactory | 10 | Recreation | 1982 |
| Hall Pond Dam | Low | Satisfactory | 9 | Recreation | 1935 |
| Red Leaf Pond Dam | Low | Not Rated | 8 | Recreation | 1892 |
| Hall Pond Dike | Low | Satisfactory | 7 | Recreation | 1955 |
| Star Lake Dam | Low | Satisfactory | 7 | Hydroelectric | 1920 |
| Wildlife Pond Dam | Undetermined | Not Rated | 16 | Fish and Wildlife Pond | 1955 |