Henderson #1
Key Takeaway
Henderson #1 is classified as low hazard in Maine. It was completed in 1970 and is 56 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 27.3% in ME) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 230 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1970 (56 years old) |
| Year Modified | 1972 |
| NID ID | ME96013 |
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
LeGrand Association
Private
Nearby Dams
Henderson #2
Knox, ME
Low Hazard 11 ftMegunticook West
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High Hazard 14 ftMegunticook East
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High Hazard 18 ftSeabright
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High Hazard 23 ftTolman
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Significant Hazard 20 ftGrassy Pond
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Low Hazard 11 ftFish Pond
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Low Hazard 9 ftColeman Pond
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Henderson #1?
Henderson #1 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 Henderson #1?
Henderson #1 is owned by LeGrand Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henderson #1 built?
Henderson #1 was completed in 1970, making it 56 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 Henderson #1?
Henderson #1 serves the following purposes: Recreation, Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Henderson #1?
Henderson #1 has a dam height of 11 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.