Avery
Key Takeaway
Avery is classified as low hazard in New Hampshire. It was completed in 1947 and is 79 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 13 ft (taller than 36.5% in NH) |
| Dam Length | 114 ft |
| Dam Type | Concrete |
| Max Storage | 3.7K acre-ft |
| Normal Storage | 3.7K acre-ft |
| Surface Area | 455 acres |
| Drainage Area | 374 sq mi |
| Max Discharge | 5,960 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | NH00465 |
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
Dichotomy Capital LLC
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Avery?
Avery 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 Avery?
Avery is owned by Dichotomy Capital LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Avery built?
Avery was completed in 1947, making it 79 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 Avery?
Avery serves the following purposes: Hydroelectric, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Avery?
Avery has a dam height of 13 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 Avery last inspected?
Avery was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.