Branns Mill is a timber crib dam located in Piscataquis County, Maine, built in 1900. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 150 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Branns Mill
The primary purpose of Branns Mill is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Dover-foxcroft (local government). It impounds the Black Stream.
The dam stands 14 feet tall and stretches 150 feet across, creates a reservoir covering 271 acres, has a maximum storage capacity of 1,974 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1900, 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.
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Location
| State | Maine |
| County | Piscataquis |
| River/Stream | Black Stream |
| Coordinates | 45.11181, -69.18473 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 150 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 1,974 acre-ft |
| Max Storage | 1,974 acre-ft |
| Normal Storage | 1,550 acre-ft |
| Surface Area | 271 acres |
| Drainage Area | 13 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Dover-foxcroft |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00166 |
| Federal ID | ME00166 |
| More Info | State Dam Safety Program |