Churchill is a concrete dam located in Piscataquis County, Maine, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 470 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Churchill
The primary purpose of Churchill 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 Bpl, Doc/state of Maine (allagash Wilderness Waterway) (state). It impounds the Allagash River near T11 R13.
The dam stands 20 feet tall and stretches 470 feet across, creates a reservoir covering 10,016 acres, and has a maximum storage capacity of 99,000 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 08/05/2014. That was over 12 years ago.
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Location
| State | Maine |
| County | Piscataquis |
| Nearest City | T11 R13 |
| River/Stream | Allagash River |
| Coordinates | 46.49333, -69.28833 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 470 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 99,000 acre-ft |
| Max Storage | 99,000 acre-ft |
| Normal Storage | 78,000 acre-ft |
| Surface Area | 10,016 acres |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Bpl, Doc/state of Maine (allagash Wilderness Waterway) |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/05/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00237 |
| Federal ID | ME00237 |
| More Info | State Dam Safety Program |