Long Run Reservoir No 1
Key Takeaway
Long Run Reservoir No 1 is classified as high hazard in Pennsylvania. It was completed in 1885 and is 141 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 | 26 ft (taller than 58.2% in PA) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 73 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1885 (141 years old) |
| NID ID | PA00882 |
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
LEHIGHTON WATER AUTHORITY
Local Government
Nearby Dams
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High Hazard 135 ftPenn Forest
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High Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Long Run Reservoir No 1?
Long Run Reservoir No 1 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 Long Run Reservoir No 1?
Long Run Reservoir No 1 is owned by LEHIGHTON WATER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Run Reservoir No 1 built?
Long Run Reservoir No 1 was completed in 1885, making it 141 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 Long Run Reservoir No 1?
Long Run Reservoir No 1 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 Long Run Reservoir No 1?
Long Run Reservoir No 1 has a dam height of 26 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 Long Run Reservoir No 1 last inspected?
Long Run Reservoir No 1 was last inspected on June 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.