Ledgemere
Ledgemere is a timber crib dam located in York County, Maine, built in 1905. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Ledgemere
The primary purpose of Ledgemere 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 Ledgemere Hydro, Llc (private). It impounds the Little Ossipee River near Limerick.
The dam stands 25 feet tall and stretches 398 feet across, creates a reservoir covering 1,100 acres, has a maximum storage capacity of 6,300 acre-feet, and collects water from a drainage area of 157 square miles. Completed in 1905, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/26/2022.
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Location
| State | Maine |
| County | York |
| Nearest City | Limerick |
| River/Stream | Little Ossipee River |
| Coordinates | 43.66490, -70.72310 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 398 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 6,300 acre-ft |
| Max Storage | 6,300 acre-ft |
| Normal Storage | 6,300 acre-ft |
| Surface Area | 1,100 acres |
| Drainage Area | 157 sq mi |
| Max Discharge | 10,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Ledgemere Hydro, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ME00039 |
| Federal ID | ME00039 |
| More Info | State Dam Safety Program |