Cross Creek (Pa-661)
Key Takeaway
Cross Creek (Pa-661) is classified as high hazard in Pennsylvania. It was completed in 1979 and is 47 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 | 82 ft (taller than 93.3% in PA) |
| Dam Length | 855 ft |
| Dam Type | Earth |
| Max Storage | 11.2K acre-ft |
| Normal Storage | 5.8K acre-ft |
| Surface Area | 260 acres |
| Drainage Area | 11 sq mi |
| Year Completed | 1979 (47 years old) |
| NID ID | PA00911 |
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
WASHINGTON COUNTY
Local Government
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What is the hazard classification of Cross Creek (Pa-661)?
Cross Creek (Pa-661) 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 Cross Creek (Pa-661)?
Cross Creek (Pa-661) is owned by WASHINGTON COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cross Creek (Pa-661) built?
Cross Creek (Pa-661) was completed in 1979, making it 47 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 Cross Creek (Pa-661)?
Cross Creek (Pa-661) 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 Cross Creek (Pa-661)?
Cross Creek (Pa-661) has a dam height of 82 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 Cross Creek (Pa-661) last inspected?
Cross Creek (Pa-661) was last inspected on November 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.