No 5
Key Takeaway
No 5 is classified as high hazard in Pennsylvania. It was completed in 1888 and is 138 years old. Its primary use is grade stabilization. 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 | 35 ft (taller than 72.1% in PA) |
| Dam Length | 248 ft |
| Dam Type | Earth |
| Max Storage | 206 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 12 sq mi |
| Year Completed | 1888 (138 years old) |
| NID ID | PA00375 |
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
COUNTY OF LACKAWANNA
Local Government
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What is the hazard classification of No 5?
No 5 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 No 5?
No 5 is owned by COUNTY OF LACKAWANNA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was No 5 built?
No 5 was completed in 1888, making it 138 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 No 5?
No 5 serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is No 5?
No 5 has a dam height of 35 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 No 5 last inspected?
No 5 was last inspected on May 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.