Prock Lake Dam
Key Takeaway
Prock Lake Dam is classified as high hazard in Indiana. It was completed in 1979 and is 47 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 | 57 ft (taller than 96.4% in IN) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 772 acre-ft |
| Normal Storage | 525 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,882 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | IN00504 |
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
RANDY PROCK
Private
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Prock Lake Dam?
Prock Lake 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 Prock Lake Dam?
Prock Lake Dam is owned by RANDY PROCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Prock Lake Dam built?
Prock Lake Dam 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 Prock Lake Dam?
Prock Lake 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 Prock Lake Dam?
Prock Lake Dam has a dam height of 57 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 Prock Lake Dam last inspected?
Prock Lake Dam was last inspected on July 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.