Mattaceunk
Maine — Penobscot County — Penobscot River
Location
| State | Maine |
| County | Penobscot |
| River | Penobscot River |
| Coordinates | 45.57030, -68.40950 |
Physical Characteristics
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 1,170 ft |
| NID Storage | 21,000 acre-ft |
| Max Storage | 21,000 acre-ft |
| Surface Area | 1,700 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | July 21, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1939 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Not Listed |
| Other Name | Weldon 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.