New Hampshire Dams
664 dams tracked by the National Inventory of Dams
Total Dams
664
High Hazard
162
24.4%
Poor / Unsatisfactory
152
Average Age
100 yrs
Hazard Classification
High162 (24.4%)
Significant185 (27.9%)
Low300 (45.2%)
Condition Assessment
Satisfactory267 (40.2%)
Fair169 (25.5%)
Poor / Unsatisfactory152 (22.9%)
Not Rated76 (11.4%)
Federal
22
State
170
Local
195
Private
261
Tallest Dams
- Comerford 170 ft
- Moore 149 ft
- Otter Brook Dam119 ft
- Franklin Falls Dam116 ft
- Everett Dam115 ft
High Hazard Dams
- Comerford High
- Moore High
- Otter Brook DamHigh
- Franklin Falls DamHigh
- Everett DamHigh
Poor Condition Dams
All Dams in New Hampshire
Showing 126–147 of 147
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Stubbs Pond Dam Rockingham County | 8 | 1963 | Low | Poor |
| Suncook Lake Dam Belknap County | 16 | 1882 | High | Poor |
| Sunset Lake Dam Belknap County | 17 | 1860 | High | Poor |
| Taylor Reservoir Dam Rockingham County | 21 | 1918 | Significant | Poor |
| Todd Lake Dam Merrimack County | 17 | 1858 | Significant | Poor |
| Turtle Pond Dam Merrimack County | 8 | 1932 | Low | Poor |
| Union Meadows Dam Carroll County | 10 | 1935 | Significant | Poor |
| Upper Kimball Pond Dam Carroll County | 10 | 1800 | High | Poor |
| Upper Wilson Pond Dam Cheshire County | 17 | 1910 | High | Poor |
| Vilas Pool Dam Cheshire County | 31 | 1866 | Significant | Poor |
| Village Pond Dam Cheshire County | 15 | 1919 | Significant | Poor |
| Wadleigh Falls Dam Strafford County | 13 | 1906 | Undetermined | Poor |
| Walpole Reservoir Dam Cheshire County | 20 | 1901 | High | Poor |
| Warren Lake Dam Cheshire County | 13 | 1771 | High | Poor |
| Weare Reservoir Dam Hillsborough County | 34 | 1913 | High | Poor |
| Webster Valve CO Dam Merrimack County | 15 | 1901 | Significant | Poor |
| Whittemore Lake Dam Hillsborough County | 11 | 1886 | Low | Poor |
| Wildlife Pond Dam Belknap County | 9 | 1973 | Low | Poor |
| Wilson Pond Dam Cheshire County | 8 | 1920 | Significant | Poor |
| Winding Brook Road Dam Rockingham County | 8 | 1980 | Significant | Poor |
| Winnipocket Lake Dam Merrimack County | 7 | 1944 | Low | Poor |
| Wong Wildlife Pond Dam Belknap County | 19 | 1976 | Low | Poor |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.