Pratt Pond Spillway Section
Key Takeaway
Pratt Pond Spillway Section is classified as low hazard in New Hampshire. It was completed in 1935 and is 91 years old. Its primary use is recreation.
Physical Details
| Dam Height | 6 ft (taller than 0.8% in NH) |
| Dam Length | 140 ft |
| Dam Type | Earth |
| Max Storage | 183 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 741 cfs |
| Year Completed | 1935 (91 years old) |
| Year Modified | 1978 |
| NID ID | NH00413 |
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
NH DES WATER DIVISION
State Government
Nearby Dams
Pratt Pond Dam
Hillsborough, NH
Low Hazard 9 ftPratt Pond Dike
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Low Hazard 9 ftSouhegan River Site 15 Dam
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Significant Hazard 13 ftOtis Falls
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Significant Hazard 27 ftPeters Farm Pond Dam
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Significant Hazard 9 ftNew Wilton Reservoir Dam
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High Hazard 24 ftWs Packaging Canal Dam
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High Hazard 15 ftHillsborough Mill
Hillsborough, NH
Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Pratt Pond Spillway Section?
Pratt Pond Spillway Section 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 Spillway Section?
Pratt Pond Spillway Section is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pratt Pond Spillway Section built?
Pratt Pond Spillway Section was completed in 1935, making it 91 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 Spillway Section?
Pratt Pond Spillway Section 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 Spillway Section?
Pratt Pond Spillway Section has a dam height of 6 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 Spillway Section last inspected?
Pratt Pond Spillway Section was last inspected on May 5, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.