Thompson Dam
Key Takeaway
Thompson Dam is classified as low hazard in Iowa. It was completed in 1961 and is 65 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 358 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | IA00194 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Mildred Thompson
Private
Nearby Dams
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Thompson Dam?
Thompson Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Thompson Dam?
Thompson Dam is owned by Mildred Thompson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson Dam built?
Thompson Dam was completed in 1961, making it 65 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 Thompson Dam?
Thompson Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Thompson Dam?
Thompson Dam has a dam height of 28 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 Thompson Dam last inspected?
Thompson Dam was last inspected on January 3, 1963. Inspection dates indicate when a formal review occurred, not the results of that inspection.