Mattaceunk
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Maine |
| County | Penobscot |
| Nearest City | Mattawamkeag |
| River/Stream | Penobscot River |
| Coordinates | 45.57030, -68.40950 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 1,170 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 21,000 acre-ft |
| Max Storage | 21,000 acre-ft |
| Normal Storage | 21,000 acre-ft |
| Surface Area | 1,700 acres |
| Drainage Area | 3,308 sq mi |
| Max Discharge | 168,300 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/21/2022 |
| Emergency Action Plan | Yes |