Ridley Park Lake
Key Takeaway
Ridley Park Lake is classified as high hazard in Pennsylvania. It was completed in 1998 and is 28 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 | 15 ft (taller than 27.6% in PA) |
| Dam Length | 230 ft |
| Dam Type | Earth |
| Max Storage | 43 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1998 (28 years old) |
| NID ID | PA01464 |
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 RIDLEY PARK
Local Government
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Ridley Park Lake?
Ridley Park 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 Ridley Park Lake?
Ridley Park Lake is owned by BOROUGH OF RIDLEY PARK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ridley Park Lake built?
Ridley Park Lake was completed in 1998, making it 28 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 Ridley Park Lake?
Ridley Park 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 Ridley Park Lake?
Ridley Park Lake has a dam height of 15 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 Ridley Park Lake last inspected?
Ridley Park Lake was last inspected on December 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.