Carlson Dam
Key Takeaway
Carlson Dam is classified as low hazard in Iowa. It was completed in 1971 and is 55 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 30.7% in IA) |
| Dam Length | 460 ft |
| Dam Type | Earth |
| Max Storage | 122 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | IA00698 |
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
Harry Carlson
Private
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Low Hazard 44 ftFrequently Asked Questions
What is the hazard classification of Carlson Dam?
Carlson 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 Carlson Dam?
Carlson Dam is owned by Harry Carlson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Carlson Dam built?
Carlson Dam 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.
What is the primary purpose of Carlson Dam?
Carlson Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Carlson Dam?
Carlson 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.
When was Carlson Dam last inspected?
Carlson Dam was last inspected on October 30, 1963. Inspection dates indicate when a formal review occurred, not the results of that inspection.