Grand Lake (Matagamon)
Maine — Penobscot County
Location
| State | Maine |
| County | Penobscot |
| Coordinates | 46.14110, -68.79044 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 218 ft |
| NID Storage | 45,800 acre-ft |
| Max Storage | 45,800 acre-ft |
| Surface Area | 4,200 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1941 |
| Primary Purpose | Hydroelectric |
| Dam Type | — |
| Owner Type | — |
| Owner | Mattagamon Lake Association |
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.