Thomson Dam
Key Takeaway
Thomson Dam is classified as low hazard in Iowa. It was completed in 1975 and is 51 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 30.7% in IA) |
| Dam Length | 610 ft |
| Dam Type | Earth |
| Max Storage | 109 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | IA01512 |
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
Clyde Thomson
Private
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What is the hazard classification of Thomson Dam?
Thomson 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 Thomson Dam?
Thomson Dam is owned by Clyde Thomson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thomson Dam built?
Thomson Dam was completed in 1975, making it 51 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 Thomson Dam?
Thomson 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 Thomson Dam?
Thomson Dam has a dam height of 27 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.