Mascoma Lake Dam
New Hampshire, Grafton County, MOHAWK RIVER
Location
| State | New Hampshire |
| County | Grafton |
| River | MOHAWK RIVER |
| Coordinates | 43.64830, -72.18220 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 240 ft |
| NID Storage | 640 acre-ft |
| Max Storage | 640 acre-ft |
| Surface Area | 26 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | June 12, 2024 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1913 |
| Primary Purpose | Recreation |
| Dam Type | Rockfill |
| Owner Type | State |
| Owner | NH DOT |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.