Walnut Grove Lake
Key Takeaway
Walnut Grove Lake is classified as significant hazard in Tennessee. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 915 ft |
| Dam Type | Earth |
| Max Storage | 686 acre-ft |
| Normal Storage | 470 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1963 (63 years old) |
| NID ID | TN15715 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WALNUT GROVE LAKE H.O.A.
Private
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Significant HazardFrequently Asked Questions
What is the hazard classification of Walnut Grove Lake?
Walnut Grove Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Walnut Grove Lake?
Walnut Grove Lake is owned by WALNUT GROVE LAKE H.O.A. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walnut Grove Lake built?
Walnut Grove Lake was completed in 1963, making it 63 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 Walnut Grove Lake?
Walnut Grove Lake 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 Walnut Grove Lake last inspected?
Walnut Grove Lake was last inspected on August 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.