First Roach Pond is a concrete dam located in Piscataquis County, Maine, built in 1905. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 240 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 First Roach Pond
The primary purpose of First Roach Pond 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 Ifw/state of Maine (state). It impounds the Roach River.
The dam stands 18 feet tall and stretches 240 feet across, creates a reservoir covering 3,360 acres, has a maximum storage capacity of 35,103 acre-feet, and collects water from a drainage area of 71 square miles. Completed in 1905, 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 | Roach River |
| Coordinates | 45.67104, -69.44682 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 240 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 35,103 acre-ft |
| Max Storage | 35,103 acre-ft |
| Normal Storage | 17,010 acre-ft |
| Surface Area | 3,360 acres |
| Drainage Area | 71 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Ifw/state of Maine |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00135 |
| Federal ID | ME00135 |
| More Info | State Dam Safety Program |