North Twin - Dike 3
Maine — Penobscot County — West Branch Penobscot River
Location
| State | Maine |
| County | Penobscot |
| River | West Branch Penobscot River |
| Coordinates | 45.64273, -68.77962 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 660 ft |
| NID Storage | 346,000 acre-ft |
| Max Storage | 346,000 acre-ft |
| Surface Area | 17,790 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 10, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1934 |
| Primary Purpose | Hydroelectric |
| Dam Type | Earth |
| Owner Type | Not Listed |
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.