Carlson/Walsh Dam
Key Takeaway
Carlson/Walsh Dam is classified as low hazard in Iowa. It was completed in 1969 and is 57 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 45 ft (taller than 91.4% in IA) |
| Dam Length | 616 ft |
| Dam Type | Earth |
| Max Storage | 136 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | IA00953 |
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
R&R Carlson and A Walsh
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Carlson/Walsh Dam?
Carlson/Walsh 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/Walsh Dam?
Carlson/Walsh Dam is owned by R&R Carlson and A Walsh (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Carlson/Walsh Dam built?
Carlson/Walsh Dam was completed in 1969, making it 57 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/Walsh Dam?
Carlson/Walsh 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 Carlson/Walsh Dam?
Carlson/Walsh Dam has a dam height of 45 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/Walsh Dam last inspected?
Carlson/Walsh Dam was last inspected on October 5, 1961. Inspection dates indicate when a formal review occurred, not the results of that inspection.