Dams in Carroll County, New Hampshire
35Total Dams
10High Hazard
14Significant
Dam Safety in Carroll County, New Hampshire
Carroll County has 35 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 14 carry a significant hazard classification. Currently, 15 dams have a condition assessment of poor or unsatisfactory.
The average dam in Carroll County is 112 years old. The most common purpose is recreation. The tallest dam is Wolfeboro Sewage Lagoon Dam at 45 ft.
Explore more: Oldest dams in New Hampshire · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Wolfeboro Sewage Lagoon Dam | High | Fair | 45 | Other | 1975 |
| Cold River Site 1 Dam | High | Satisfactory | 43 | Flood Risk Reduction | 1969 |
| Copps Pond Dam | High | Satisfactory | 16 | Recreation | 1940 |
| Great East Lake Dam | High | Poor | 15 | Recreation | 1825 |
| Crescent Lake Dam | High | Satisfactory | 15 | Recreation | 1854 |
| Horn Pond Dam | High | Poor | 14 | Recreation | 1930 |
| Beech River Mill Dam | High | Poor | 14 | Hydroelectric | 1851 |
| Purity Lake Dam | High | Poor | 13 | Recreation | 1750 |
| Lovell Lake Dam | High | Poor | 12 | Recreation | 1910 |
| Upper Kimball Pond Dam | High | Poor | 10 | Recreation | 1800 |
| Upper Bucknell Pond Dam | Significant | Not Rated | 31 | Recreation | 2010 |
| Dan Hole River Dam | Significant | Poor | 29 | Recreation | 1935 |
| Shannon Lake Dam | Significant | Fair | 20 | Recreation | 1930 |
| Conway Lake Dam | Significant | Fair | 17 | Recreation | 1763 |
| Pea Porridge Pond Middle Little Dam | Significant | Fair | 17 | Recreation | 1966 |
| Lake Kanasatka Dam | Significant | Poor | 17 | Recreation | 1928 |
| Melvin River Dam | Significant | Poor | 17 | Recreation | 1930 |
| Belleau Lake Dam | Significant | Poor | 16 | Recreation | 1962 |
| Pine River Pond Dam | Significant | Fair | 14 | Recreation | |
| Big Dan Hole Pond Dam | Significant | Fair | 13 | Recreation | 1910 |
| Jones Pond Dike | Significant | Poor | 12 | Fish and Wildlife Pond | 1981 |
| Union Meadows Dam | Significant | Poor | 10 | Recreation | 1935 |
| Rust Pond Dam | Significant | Satisfactory | 8 | Recreation | |
| Conway Treatment Lagoon Dam | Significant | Satisfactory | 7 | Other | 1985 |
| Lower Bucknell Pond Dam | Low | Not Rated | 35 | Recreation | 2000 |
| Goodrich Falls Dam | Low | Not Rated | 25 | Hydroelectric | 1935 |
| Pequawket Pond Dam | Low | Fair | 15 | Recreation | |
| Ossipee Lake Dam Headworks Dam | Low | Poor | 12 | Recreation | 1919 |
| Ossipee Lake Dam Berry Bay | Low | Fair | 12 | Recreation | 1919 |
| Mountain Lake Dam | Low | Satisfactory | 11 | Recreation | |
| Huckins Mill Pond Dam | Low | Poor | 10 | Recreation | 1947 |
| Lower Beech Pond Dam | Low | Satisfactory | 10 | Recreation | 1860 |
| Kingswood Lake Dam | Low | Not Rated | 10 | Recreation | 1900 |
| Silver Lake Dam | Low | Fair | 8 | Recreation | 1926 |
| Red Hill Pond Dam | Low | Poor | 7 | Recreation | 1870 |