Pontook
Key Takeaway
Pontook is classified as low hazard in New Hampshire. It was completed in 1909 and is 117 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 15 ft (taller than 47.8% in NH) |
| Dam Length | 399 ft |
| Dam Type | Timber Crib |
| Max Storage | 883 acre-ft |
| Normal Storage | 883 acre-ft |
| Surface Area | 280 acres |
| Drainage Area | 1,214 sq mi |
| Max Discharge | 20,500 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | NH00601 |
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
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Pontook?
Pontook 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 Pontook?
Pontook is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pontook built?
Pontook was completed in 1909, making it 117 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 Pontook?
Pontook serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pontook?
Pontook has a dam height of 15 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 Pontook last inspected?
Pontook was last inspected on August 7, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.