Ellsworth
Maine — Hancock County — Union River
Location
| State | Maine |
| County | Hancock |
| River | Union River |
| Coordinates | 44.54466, -68.42954 |
Physical Characteristics
| NID Height | 62 ft |
| Dam Height | 62 ft |
| Dam Length | 377 ft |
| NID Storage | 2,500 acre-ft |
| Max Storage | 2,500 acre-ft |
| Surface Area | 125 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 21, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1907 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Black Bear Hydro Partners, LLC |
| Other Name | Leonard Lake Dam |
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.