Riley
Riley is a timber crib dam located in Franklin County, Maine, built in 1897. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Riley
The primary purpose of Riley 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 Eagle Creek Renewable Energies, Llc Parent Org (cro) (private). It impounds the Androscoggin River near Jay.
The dam stands 23 feet tall and stretches 757 feet across, creates a reservoir covering 578 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 2,440 square miles. Completed in 1897, 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 09/12/2023.
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Location
| State | Maine |
| County | Franklin |
| Nearest City | Jay |
| River/Stream | Androscoggin River |
| Coordinates | 44.50244, -70.25014 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 757 ft |
| Year Completed | 1897 (129 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 578 acres |
| Drainage Area | 2,440 sq mi |
| Max Discharge | 64,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Eagle Creek Renewable Energies, LLC Parent Org (CRO) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/12/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00011 |
| Federal ID | ME00011 |
| More Info | State Dam Safety Program |