Rivermill Mascoma Hydro Dam
New Hampshire — Grafton County — MASCOMA RIVER
Location
| State | New Hampshire |
| County | Grafton |
| River | MASCOMA RIVER |
| Coordinates | 43.63840, -72.25720 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 300 ft |
| NID Storage | 210 acre-ft |
| Max Storage | 210 acre-ft |
| Surface Area | 8 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | August 8, 2018 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1920 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | RIVERMILL HYDROELECTRIC INC |
| Other Name | Hdi Mascoma |
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.