The Tarn
Key Takeaway
The Tarn is classified as low hazard in Maine. It was completed in 1900 and is 126 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 0.2% in ME) |
| Dam Length | 19 ft |
| Dam Type | Other |
| Max Storage | 184 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1900 (126 years old) |
| NID ID | ME00705 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Acadia National Park
Federal Government
Nearby Dams
Eagle Lake
Hancock, ME
Low Hazard 8 ftJordan Pond
Hancock, ME
Low Hazard 7 ftLower Hadlock Pond
Hancock, ME
Low Hazard 12 ftHamilton Pond
Hancock, ME
Low Hazard 11 ftUpper Somes
Hancock, ME
Low Hazard 12 ftLittle Echo Lake
Hancock, ME
Low Hazard 10 ftLong Pond
Hancock, ME
Significant Hazard 8 ftJones Pond
Hancock, ME
Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of The Tarn?
The Tarn is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates The Tarn?
The Tarn is owned by Acadia National Park (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was The Tarn built?
The Tarn was completed in 1900, making it 126 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 The Tarn?
The Tarn serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is The Tarn?
The Tarn has a dam height of 7 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 The Tarn last inspected?
The Tarn was last inspected on October 6, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.