Northwood Lake Dam
New Hampshire, Merrimack County, NEWFOUND RIVER
Location
| State | New Hampshire |
| County | Merrimack |
| River | NEWFOUND RIVER |
| Coordinates | 43.21979, -71.29063 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 117 ft |
| NID Storage | 40,000 acre-ft |
| Max Storage | 40,000 acre-ft |
| Surface Area | 4,462 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | May 16, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1840 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | NH DES WATER DIVISION |
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.