Simmons
Key Takeaway
Simmons is classified as significant hazard in Tennessee. It was completed in 1971 and is 55 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 193 acre-ft |
| Normal Storage | 158 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1971 (55 years old) |
| NID ID | TN08502 |
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
DETTWILLER, FREDERICK G.
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Simmons?
Simmons 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 Simmons?
Simmons is owned by DETTWILLER, FREDERICK G. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simmons built?
Simmons was completed in 1971, making it 55 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
When was Simmons last inspected?
Simmons was last inspected on January 19, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.