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 226–250 of 300
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Dunklee Pond Dam Hillsborough County | 9 | 1986 | Low | Fair |
| Dudley Pond Dam Hillsborough County | 13 | — | Low | Poor |
| Drew Lake South Weir Hillsborough County | 12 | — | Low | Not Rated |
| Downing Pond Dam Strafford County | 15 | 1921 | Low | Fair |
| Dole Marsh Dam Rockingham County | 8 | 1977 | Low | Satisfactory |
| Dodge Pond Dam Grafton County | 13 | 1936 | Low | Satisfactory |
| Dodge Falls Grafton County | 18 | 1905 | Low | Satisfactory |
| Deer Pond Dam Rockingham County | 12 | 1963 | Low | Fair |
| Deer Meadow Pond Dam Merrimack County | 15 | 1938 | Low | Fair |
| Deep Hole Pond Dam Rockingham County | 15 | 1974 | Low | Fair |
| Dead River Dike Coos County | 14 | 1970 | Low | Fair |
| Davison Wildlife Pond Dam Sullivan County | 23 | 1968 | Low | Satisfactory |
| Daniels Lake Dam Hillsborough County | 12 | 1961 | Low | Poor |
| Currier Pond Dam Strafford County | 10 | 1963 | Low | Poor |
| Cummins Pond Dam Grafton County | 10 | 1880 | Low | Satisfactory |
| Crowcroft Pond Dam Cheshire County | 10 | 1939 | Low | Fair |
| Cranberry Pond Dam Cheshire County | 11 | 1925 | Low | Poor |
| Cranberry Meadow Pond Dam Hillsborough County | 8 | 1937 | Low | Fair |
| Country Club Pond Dam Rockingham County | 25 | 1996 | Low | Satisfactory |
| Coon Brook Bog Dam Coos County | 10 | 1947 | Low | Poor |
| Contoocook Lake Dam Cheshire County | 7 | 1885 | Low | Not Rated |
| Compressor Pond Dam Hillsborough County | 28 | 1900 | Low | Fair |
| Commerce Park Wildlife Pond Dam Hillsborough County | 10 | 1972 | Low | Not Rated |
| Cole Pond Dam Merrimack County | 10 | 1973 | Low | Satisfactory |
| Cold Spring Pond Dam Cheshire County | 9 | 1932 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.