Pratt Pond Dam
Key Takeaway
Pratt Pond Dam is classified as low hazard in New Hampshire. It was completed in 1890 and is 136 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.4% in NH) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 128 cfs |
| Year Completed | 1890 (136 years old) |
| Year Modified | 2004 |
| NID ID | NH00557 |
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
PRATT POND ASSOCIATION
Private
Nearby Dams
Souhegan River Site 35 Dam
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Low Hazard 13 ftIsland Pond Dam
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Low Hazard 17 ftMill Pond Dam
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Low Hazard 20 ftWallace Pond Dam
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Significant Hazard 11 ftBancroft Reservoir Dam
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Low Hazard 15 ftPond At West Road Dam
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Low Hazard 20 ftSouhegan Site 14 Dam
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High Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Pratt Pond Dam?
Pratt Pond 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 Pratt Pond Dam?
Pratt Pond Dam is owned by PRATT POND ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pratt Pond Dam built?
Pratt Pond Dam was completed in 1890, making it 136 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 Pratt Pond Dam?
Pratt Pond 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 Pratt Pond Dam?
Pratt Pond Dam 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 Pratt Pond Dam last inspected?
Pratt Pond Dam was last inspected on November 14, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.