Hibernia (Pa-436f)
Key Takeaway
Hibernia (Pa-436f) is classified as high hazard in Pennsylvania. It was completed in 1994 and is 32 years old. Its primary use is flood risk reduction. 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 | 65 ft (taller than 90% in PA) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Normal Storage | 1.2K acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1994 (32 years old) |
| NID ID | PA01505 |
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
CHESTER COUNTY WATER RESOURCES AUTHORITY
Local Government
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What is the hazard classification of Hibernia (Pa-436f)?
Hibernia (Pa-436f) 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 Hibernia (Pa-436f)?
Hibernia (Pa-436f) is owned by CHESTER COUNTY WATER RESOURCES AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hibernia (Pa-436f) built?
Hibernia (Pa-436f) was completed in 1994, making it 32 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 Hibernia (Pa-436f)?
Hibernia (Pa-436f) serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hibernia (Pa-436f)?
Hibernia (Pa-436f) has a dam height of 65 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 Hibernia (Pa-436f) last inspected?
Hibernia (Pa-436f) was last inspected on September 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.