Lower Tumbling Run
Key Takeaway
Lower Tumbling Run is classified as high hazard in Pennsylvania. It was completed in 1832 and is 194 years old. Its primary use is water supply. 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 | 49 ft (taller than 83.6% in PA) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Max Storage | 698 acre-ft |
| Normal Storage | 531 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1832 (194 years old) |
| NID ID | PA00688 |
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
BOROUGH OF SCHUYLKILL HAVEN
Local Government
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What is the hazard classification of Lower Tumbling Run?
Lower Tumbling Run 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 Lower Tumbling Run?
Lower Tumbling Run is owned by BOROUGH OF SCHUYLKILL HAVEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Tumbling Run built?
Lower Tumbling Run was completed in 1832, making it 194 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 Lower Tumbling Run?
Lower Tumbling Run serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lower Tumbling Run?
Lower Tumbling Run has a dam height of 49 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 Lower Tumbling Run last inspected?
Lower Tumbling Run was last inspected on April 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.