North Fork (Pa-406)
Key Takeaway
North Fork (Pa-406) is classified as high hazard in Pennsylvania. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 58 ft (taller than 88% in PA) |
| Dam Length | 622 ft |
| Dam Type | Earth |
| Max Storage | 749 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | PA00028 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
POTTER COUNTY COMMISSIONERS
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of North Fork (Pa-406)?
North Fork (Pa-406) is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates North Fork (Pa-406)?
North Fork (Pa-406) is owned by POTTER COUNTY COMMISSIONERS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Fork (Pa-406) built?
North Fork (Pa-406) was completed in 1960, making it 66 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 North Fork (Pa-406)?
North Fork (Pa-406) serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is North Fork (Pa-406)?
North Fork (Pa-406) has a dam height of 58 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 North Fork (Pa-406) last inspected?
North Fork (Pa-406) was last inspected on November 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.