Mill Pond Dam
Key Takeaway
Mill Pond Dam is classified as low hazard in New Hampshire. It was completed in 1880 and is 146 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 70.9% in NH) |
| Dam Length | 295 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 574 cfs |
| Year Completed | 1880 (146 years old) |
| NID ID | NH00385 |
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
HAMPSHIRE COUNTRY SCHOOL
Private
Nearby Dams
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Low Hazard 17 ftMountain Pond Dam
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Low Hazard 13 ftBancroft Reservoir Dam
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Low Hazard 15 ftPratt Pond Dam
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Low Hazard 7 ftWallace Pond Dam
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Significant Hazard 11 ftVan Dyke Dam
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Low Hazard 8 ftHubbard Pond Dam & Dike
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Significant Hazard 8 ftCrowcroft Pond Dam
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Mill Pond Dam?
Mill 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 Mill Pond Dam?
Mill Pond Dam is owned by HAMPSHIRE COUNTRY SCHOOL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Pond Dam built?
Mill Pond Dam was completed in 1880, making it 146 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 Mill Pond Dam?
Mill 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 Mill Pond Dam?
Mill Pond Dam has a dam height of 20 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 Mill Pond Dam last inspected?
Mill Pond Dam was last inspected on November 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.