Penobscot Lake
Penobscot Lake is a concrete dam located in Somerset County, Maine, built in 1916. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Penobscot Lake
The primary purpose of Penobscot Lake is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Penobscot Brook.
The dam stands 14 feet tall and stretches 565 feet across, creates a reservoir covering 1,075 acres, has a maximum storage capacity of 8,081 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1916, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/12/2018.
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Location
| State | Maine |
| County | Somerset |
| River/Stream | Penobscot Brook |
| Coordinates | 45.91090, -70.22110 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 565 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 8,081 acre-ft |
| Max Storage | 8,081 acre-ft |
| Normal Storage | 8,081 acre-ft |
| Surface Area | 1,075 acres |
| Drainage Area | 16 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/12/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00216 |
| Federal ID | ME00216 |
| More Info | State Dam Safety Program |