Black Reservoir Dam
New Hampshire — Cheshire County — WILLOW BROOK
Location
| State | New Hampshire |
| County | Cheshire |
| River | WILLOW BROOK |
| Coordinates | 42.79000, -71.97989 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 180 ft |
| NID Storage | 253 acre-ft |
| Max Storage | 253 acre-ft |
| Surface Area | 48 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | September 2, 2022 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1850 |
| 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.