Graham Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Maine |
| County | Hancock |
| Nearest City | Ellsworth |
| River/Stream | Union River |
| Coordinates | 44.59095, -68.44067 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 630 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 130,000 acre-ft |
| Max Storage | 130,000 acre-ft |
| Normal Storage | 130,000 acre-ft |
| Surface Area | 10,300 acres |
| Drainage Area | 499 sq mi |
| Max Discharge | 24,000 cfs |
| Spillway Type | Controlled |
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 |