Gillan Pond Dam
Key Takeaway
Gillan Pond Dam is classified as low hazard in New Hampshire. It was completed in 1971 and is 55 years old. Its primary use is recreation.
Physical Details
| Dam Height | 10 ft (taller than 16% in NH) |
| Dam Length | 300 ft |
| Dam Type | Concrete |
| Max Storage | 333 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1971 (55 years old) |
| Year Modified | 1996 |
| NID ID | NH00526 |
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
MR ERNEST GILLAN
Private
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High Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Gillan Pond Dam?
Gillan 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 Gillan Pond Dam?
Gillan Pond Dam is owned by MR ERNEST GILLAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gillan Pond Dam built?
Gillan Pond Dam was completed in 1971, making it 55 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 Gillan Pond Dam?
Gillan 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 Gillan Pond Dam?
Gillan Pond Dam has a dam height of 10 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 Gillan Pond Dam last inspected?
Gillan Pond Dam was last inspected on September 28, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.