Port Perry Dam
Key Takeaway
Port Perry Dam is classified as high hazard in Missouri. It was completed in 1973 and is 53 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 | 70 ft (taller than 98.5% in MO) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 6.5K acre-ft |
| Normal Storage | 828 acre-ft |
| Surface Area | 187 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 6,992 cfs |
| Year Completed | 1973 (53 years old) |
| Year Modified | 1985 |
| NID ID | MO30030 |
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
State Government
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High Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Port Perry Dam?
Port Perry Dam 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 Port Perry Dam?
Port Perry Dam is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Port Perry Dam built?
Port Perry Dam was completed in 1973, making it 53 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 Port Perry Dam?
Port Perry Dam 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 Port Perry Dam?
Port Perry Dam has a dam height of 70 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 Port Perry Dam last inspected?
Port Perry Dam was last inspected on January 5, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.