Ellsworth
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Maine |
| County | Hancock |
| Nearest City | Ellsworth |
| River/Stream | Union River |
| Coordinates | 44.54466, -68.42954 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 62 ft |
| Dam Height | 62 ft |
| Dam Length | 377 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 2,500 acre-ft |
| Max Storage | 2,500 acre-ft |
| Normal Storage | 2,500 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 613 sq mi |
| Max Discharge | 17,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Black Bear Hydro Partners, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/21/2022 |
| Emergency Action Plan | Yes |