Ashuelot River Dam
Key Takeaway
Ashuelot River Dam is classified as low hazard in New Hampshire. It was completed in 1919 and is 107 years old. Its primary use is recreation.
Physical Details
| Dam Height | 16 ft (taller than 54.9% in NH) |
| Dam Length | 1,860 ft |
| Dam Type | Stone |
| Max Storage | 280 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 113 sq mi |
| Max Discharge | 5,500 cfs |
| Year Completed | 1919 (107 years old) |
| NID ID | NH00100 |
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
CITY OF KEENE DPW
Local Government
Nearby Dams
Robinhood Park Reservoir Dam
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High Hazard 18 ftWilson Pond Dam
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Low Hazard 8 ftGoose Pond Dam
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High Hazard 22 ftUpper Wilson Pond Dam
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High Hazard 17 ftLower Wilson Pond Dam
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Significant Hazard 18 ftThree Mile Reservoir Dam
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High Hazard 20 ftOtter Brook Dam
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High Hazard 119 ftFrequently Asked Questions
What is the hazard classification of Ashuelot River Dam?
Ashuelot River Dam 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 Ashuelot River Dam?
Ashuelot River Dam is owned by CITY OF KEENE DPW (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ashuelot River Dam built?
Ashuelot River Dam was completed in 1919, making it 107 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 Ashuelot River Dam?
Ashuelot River Dam 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 Ashuelot River Dam?
Ashuelot River Dam has a dam height of 16 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 Ashuelot River Dam last inspected?
Ashuelot River Dam was last inspected on November 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.