Dams in Rockingham County, New Hampshire
75Total Dams
11High Hazard
23Significant
Dam Safety in Rockingham County, New Hampshire
Rockingham County has 75 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 23 carry a significant hazard classification. Currently, 24 dams have a condition assessment of poor or unsatisfactory.
The average dam in Rockingham County is 94 years old. The most common purpose is recreation. The tallest dam is Arlington Mills Res Wheeler Dam at 54 ft.
Explore more: Oldest dams in New Hampshire · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Arlington Mills Res Wheeler Dam | High | Satisfactory | 54 | Water Supply | 1922 |
| Tower Hill Pond Dam | High | Satisfactory | 35 | Water Supply | 1938 |
| Mendums Pond Dam | High | Poor | 31 | Recreation | 1840 |
| Pawtuckaway Lake Dollof Dam | High | Poor | 28 | Recreation | 1842 |
| Macallen Dam | High | Satisfactory | 27 | Recreation | 1887 |
| Hoods Pond Dam | High | Satisfactory | 27 | Recreation | 1945 |
| Millville Lake Dam | High | Poor | 20 | Recreation | 1917 |
| Taylor River Pond Dam | High | Satisfactory | 19 | Fish and Wildlife Pond | 1949 |
| Pickpocket Dam | High | Poor | 15 | Recreation | 1920 |
| Exeter Reservoir Dam | High | Poor | 15 | Water Supply | 1886 |
| Ice Pond Dam And Dike | High | Satisfactory | 8 | Recreation | 1972 |
| Arlington Mill Res Evergreen Dike | Significant | Fair | 31 | Water Supply | 1922 |
| Taylor Reservoir Dam | Significant | Poor | 21 | Recreation | 1918 |
| Derry Waste Lagoon Dam | Significant | Satisfactory | 21 | Other | 1978 |
| Ballard Pond Mill Dam | Significant | Satisfactory | 21 | Recreation | 1941 |
| Newfields Sewage Lagoon Dam | Significant | Satisfactory | 19 | Other | 1982 |
| Pawtuckaway Lake /drowns Dam | Significant | Poor | 18 | Recreation | 1842 |
| Gulch Mountain Pond Dam | Significant | Poor | 15 | Recreation | 1965 |
| Exeter River Dam | Significant | Poor | 15 | Recreation | 1927 |
| Atkinson Cc Lagoon Dam | Significant | Satisfactory | 14 | Other | 2001 |
| Harantis Lake Dam | Significant | Poor | 14 | Recreation | 1930 |
| Rockingham Cnty Wastewtr Lagoon Dam | Significant | Satisfactory | 13 | Other | 1990 |
| Shop Pond Dam | Significant | Satisfactory | 13 | Recreation | 1930 |
| Exeter Sewage Lagoon Dam | Significant | Satisfactory | 12 | Other | 1989 |
| Powwow Pond Dam | Significant | Fair | 12 | Recreation | 1935 |
| Big Dodge Pond Dam | Significant | Poor | 12 | Fire Protection, Stock, Or Small Fish Pond | 1917 |
| Old Mill Pond Dam | Significant | Satisfactory | 11 | Recreation | 1930 |
| Exeter Sewage Holding Pond Dam | Significant | Satisfactory | 10 | Other | 1989 |
| Big Island Pond Walter Stickney Dam | Significant | Satisfactory | 10 | Recreation | 1905 |
| Epping Wastewater Lagoons Dam | Significant | Fair | 9 | Other | 1970 |
| Bodwell Septage Facility Dam | Significant | Satisfactory | 9 | Other | 2010 |
| Pawtuckaway Lake/gove Dike | Significant | Poor | 9 | Recreation | 1842 |
| Century Village Dam | Significant | Poor | 8 | Recreation | 1988 |
| Winding Brook Road Dam | Significant | Poor | 8 | Fish and Wildlife Pond | 1980 |
| Manchester Airport Det Pond Dam | Low | Satisfactory | 27 | Flood Risk Reduction | 1992 |
| Country Club Pond Dam | Low | Satisfactory | 25 | Recreation | 1996 |
| Wason Pond Dam | Low | Satisfactory | 18 | Recreation | 1931 |
| Eel Pond Dam | Low | Satisfactory | 15 | Fish and Wildlife Pond | |
| Deep Hole Pond Dam | Low | Fair | 15 | Recreation | 1974 |
| Meadow Lake Dam | Low | Poor | 14 | Recreation | 1975 |
| South Mill Pond Dam | Low | Satisfactory | 14 | Recreation | 1983 |
| Marston Finn Conservation Dam | Low | Not Rated | 14 | Recreation | 1778 |
| Nottingham Lake Dam | Low | Satisfactory | 14 | Recreation | |
| Freeses Pond Dam | Low | Fair | 13 | Recreation | 1930 |
| Mill Pond Dam | Low | Satisfactory | 13 | Recreation | 1935 |
| Deer Pond Dam | Low | Fair | 12 | Recreation | 1963 |
| Piscassic Ice Pond Dam | Low | Fair | 12 | Recreation | 1939 |
| Pawtuckaway Lake/ Drowns Dike | Low | Poor | 12 | Recreation | 1842 |
| Scribner Road Dam | Low | Poor | 12 | Recreation | 1930 |
| Kendall Pond Dam | Low | Fair | 12 | Recreation | 1930 |
| Little Cub Pond Dam | Low | Poor | 11 | Recreation | 1934 |
| Colby Brook Dam | Low | Fair | 11 | Recreation | |
| Upper Peverly Pond Dam | Low | Fair | 11 | Other | 1935 |
| Sauls Pond Dam | Low | Poor | 10 | Recreation | 1988 |
| Arlington Mills Res West Dike | Low | Satisfactory | 10 | Water Supply | 1922 |
| Little Cohas Brook Dam | Low | Satisfactory | 10 | Recreation | 1953 |
| Seavey Pond Dike Access Road Dam | Low | Fair | 10 | Recreation | 2002 |
| Onway Lake Dam | Low | Poor | 9 | Recreation | 1915 |
| Canobie Lake Dam | Low | Not Rated | 8 | Recreation | 1930 |
| Dole Marsh Dam | Low | Satisfactory | 8 | Recreation | 1977 |
| Seavey Pond Outlet Dam | Low | Poor | 8 | Recreation | |
| North River Pond Dam | Low | Fair | 8 | Recreation | 1932 |
| Calef Lake Dam | Low | Satisfactory | 8 | Recreation | |
| Clark Pond East Dam | Low | Fair | 8 | Water Supply | 1811 |
| Stubbs Pond Dam | Low | Poor | 8 | Fish and Wildlife Pond | 1963 |
| Socha Dam | Low | Poor | 8 | Recreation | 1930 |
| Ballard Pond Upper Dam | Low | Poor | 7 | Recreation | 1935 |
| Beaver Brook Dam | Low | Satisfactory | 7 | Recreation | 1929 |
| Pleasant Lake Dam | Low | Satisfactory | 7 | Recreation | 1921 |
| Taylor River Pond Dam | Undetermined | Not Rated | 14 | Recreation | 1935 |
| Dimond Pond Dam | Undetermined | Not Rated | 12 | Recreation | 1880 |
| Pingree Sawmill Dam | Undetermined | Not Rated | 12 | Recreation | 1812 |
| Thurston Pond Dam | Undetermined | Not Rated | 9 | Recreation | 1772 |
| Skating Pond Dam | Undetermined | Not Rated | 8 | Recreation | 1974 |
| Country Pond Dam | Undetermined | Not Rated | 6 | Recreation |