Loon Lake Dam
New Hampshire — Sullivan County — LONG POND BROOK
Location
| State | New Hampshire |
| County | Sullivan |
| River | LONG POND BROOK |
| Coordinates | 43.40660, -72.14550 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 100 ft |
| NID Storage | 458 acre-ft |
| Max Storage | 458 acre-ft |
| Surface Area | 54 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | October 7, 2021 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1920 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | FRIENDS OF LOON LAKE LLC |
| Other Name | The Overflow, Lake Su |
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.