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
Condition Assessment
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 526–550 of 664
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Shop Pond Dam Rockingham County | 13 | 1930 | Significant | Satisfactory |
| Silica Pond Dam Cheshire County | 9 | 1930 | Significant | Poor |
| Silver Lake Dam Cheshire County | 12 | 1924 | Low | Satisfactory |
| Silver Lake Dam Carroll County | 8 | 1926 | Low | Fair |
| Silver Lake Dam Hillsborough County | 8 | 1930 | Low | Satisfactory |
| Skating Pond Dam Rockingham County | 8 | 1974 | Undetermined | Not Rated |
| Skatutakee Lake Dam Cheshire County | 13 | 1778 | Significant | Satisfactory |
| Smith Pond Dam Grafton County | 12 | 1830 | High | Fair |
| Socha Dam Rockingham County | 8 | 1930 | Low | Poor |
| Somersworth Strafford County | 17 | 1929 | Significant | Satisfactory |
| Souhegan River Site 10a Dam Hillsborough County | 59 | 1966 | High | Satisfactory |
| Souhegan River Site 12a North Dike Hillsborough County | 39 | 1965 | High | Fair |
| Souhegan River Site 12a South Dam Hillsborough County | 38 | 1965 | High | Fair |
| Souhegan River Site 13 Dam Hillsborough County | 14 | 1964 | Low | Satisfactory |
| Souhegan River Site 15 Dam Hillsborough County | 13 | 1963 | Significant | Fair |
| Souhegan River Site 19 Dam Hillsborough County | 36 | 1962 | High | Fair |
| Souhegan River Site 25b Dam Hillsborough County | 74 | 1967 | High | Fair |
| Souhegan River Site 26 Dam Hillsborough County | 79 | 1965 | High | Fair |
| Souhegan River Site 28 Dam Hillsborough County | 29 | 1964 | High | Satisfactory |
| Souhegan River Site 33 Dam Hillsborough County | 21 | 1971 | High | Fair |
| Souhegan River Site 35 Dam Hillsborough County | 30 | 1965 | High | Fair |
| Souhegan Site 14 Dam Hillsborough County | 28 | 1836 | High | Fair |
| Souhegan Site 8 Cemetery Dike Hillsborough County | 16 | 1977 | Low | Satisfactory |
| Souhegan Site 8 Dam Hillsborough County | 25 | 1977 | High | Satisfactory |
| Souhegan Site 8 South Dike Hillsborough County | 9 | 1977 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.