Indian Rock Lake Dam
Key Takeaway
Indian Rock Lake Dam is classified as high hazard in Missouri. It was completed in 1978 and is 48 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 Type | Earth |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 310 sq mi |
| Year Completed | 1978 (48 years old) |
| NID ID | MO31033 |
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
COMMERCE BNK OF ST LOUIS
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Indian Rock Lake Dam?
Indian Rock 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 Indian Rock Lake Dam?
Indian Rock Lake Dam is owned by COMMERCE BNK OF ST LOUIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Indian Rock Lake Dam built?
Indian Rock Lake Dam was completed in 1978, making it 48 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 Indian Rock Lake Dam?
Indian Rock 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.
When was Indian Rock Lake Dam last inspected?
Indian Rock Lake Dam was last inspected on May 12, 1978. Inspection dates indicate when a formal review occurred, not the results of that inspection.