Mill Pond Dam
Key Takeaway
Mill Pond Dam is classified as significant hazard in New Hampshire. It was completed in 1937 and is 89 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 54.9% in NH) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 392 cfs |
| Year Completed | 1937 (89 years old) |
| Year Modified | 1978 |
| NID ID | NH00230 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF WALPOLE
Local Government
Nearby Dams
Walpole Reservoir Dam
Cheshire, NH
High Hazard 20 ftBellows Falls
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Low Hazard 48 ftMinards Pond
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Significant Hazard 25 ftVilas Pool Dam
Cheshire, NH
Significant Hazard 31 ftChes Cnty Ww Lagoon Dam
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Significant Hazard 20 ftCharlestown Ww Lagoon Dam
Sullivan, NH
Significant Hazard 5 ftWarren Lake Dam
Cheshire, NH
High Hazard 13 ftCranberry Pond Dam
Cheshire, NH
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Mill Pond Dam?
Mill Pond Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. 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 TOWN OF WALPOLE (Local Government). 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 1937, making it 89 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 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 Mill Pond Dam last inspected?
Mill Pond Dam was last inspected on September 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.