Flagpole Pond Dam
Key Takeaway
Flagpole Pond Dam is classified as low hazard in New Hampshire. It was completed in 1967 and is 59 years old. Its primary use is recreation.
Physical Details
| Dam Height | 21 ft (taller than 74.5% in NH) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 490 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 482 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | NH00616 |
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
HORIZON HOLDINGS LLC
Private
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Significant HazardFrequently Asked Questions
What is the hazard classification of Flagpole Pond Dam?
Flagpole 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 Flagpole Pond Dam?
Flagpole Pond Dam is owned by HORIZON HOLDINGS LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Flagpole Pond Dam built?
Flagpole Pond Dam was completed in 1967, making it 59 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 Flagpole Pond Dam?
Flagpole 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 Flagpole Pond Dam?
Flagpole Pond Dam has a dam height of 21 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 Flagpole Pond Dam last inspected?
Flagpole Pond Dam was last inspected on October 7, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.