North Arrowhead Lake
Key Takeaway
North Arrowhead Lake is classified as high hazard in Pennsylvania. It was completed in 1971 and is 55 years old. Its primary use is recreation. 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 | 21 ft (taller than 46.9% in PA) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 942 acre-ft |
| Normal Storage | 433 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1971 (55 years old) |
| NID ID | PA00743 |
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
ARROWHEAD LAKE COMMUNITY ASSOCIATION, INC.
Private
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High Hazard 16 ftFrequently Asked Questions
What is the hazard classification of North Arrowhead Lake?
North Arrowhead Lake 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 Arrowhead Lake?
North Arrowhead Lake is owned by ARROWHEAD LAKE COMMUNITY ASSOCIATION, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Arrowhead Lake built?
North Arrowhead Lake 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 North Arrowhead Lake?
North Arrowhead Lake 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 North Arrowhead Lake?
North Arrowhead Lake 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 North Arrowhead Lake last inspected?
North Arrowhead Lake was last inspected on October 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.