Back Lake Dam
New Hampshire — Coos County — BACK LAKE BROOK
Location
| State | New Hampshire |
| County | Coos |
| River | BACK LAKE BROOK |
| Coordinates | 45.08330, -71.36410 |
Physical Characteristics
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 36 ft |
| NID Storage | 1,269 acre-ft |
| Max Storage | 1,269 acre-ft |
| Surface Area | 348 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | June 16, 2022 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1930 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | NH FISH AND GAME DEPARTMENT |
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.