Walpole Reservoir Dam
New Hampshire, Cheshire County
Location
| State | New Hampshire |
| County | Cheshire |
| Coordinates | 43.08020, -72.40830 |
Physical Characteristics
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 414 ft |
| NID Storage | 11,700 acre-ft |
| Max Storage | 11,700 acre-ft |
| Surface Area | 900 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | November 4, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1842 |
| Primary Purpose | - |
| Dam Type | Rockfill |
| Owner Type | Private |
| Owner | GUMPAS POND PRESERVATION ASSOC LTD |
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.