Ledgemere
Key Takeaway
Ledgemere is classified as significant hazard in Maine. It was completed in 1905 and is 121 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 83.1% in ME) |
| Dam Length | 398 ft |
| Dam Type | Timber Crib |
| Max Storage | 6.3K acre-ft |
| Normal Storage | 6.3K acre-ft |
| Surface Area | 1,100 acres |
| Drainage Area | 157 sq mi |
| Max Discharge | 10,400 cfs |
| Year Completed | 1905 (121 years old) |
| NID ID | ME00039 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Ledgemere Hydro, LLC
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Ledgemere?
Ledgemere is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Ledgemere?
Ledgemere is owned by Ledgemere Hydro, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ledgemere built?
Ledgemere was completed in 1905, making it 121 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Ledgemere?
Ledgemere serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ledgemere?
Ledgemere has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Ledgemere last inspected?
Ledgemere was last inspected on May 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.