Heishman Dam
Key Takeaway
Heishman Dam is classified as low hazard in Iowa. It was completed in 2017 and is 9 years old. Its primary use is recreation.
Physical Details
| Dam Height | 40 ft (taller than 84% in IA) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 112 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2017 (9 years old) |
| NID ID | IA04263 |
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
Ed Heishman
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Heishman Dam?
Heishman 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 Heishman Dam?
Heishman Dam is owned by Ed Heishman (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heishman Dam built?
Heishman Dam was completed in 2017, making it 9 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 Heishman Dam?
Heishman Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heishman Dam?
Heishman Dam has a dam height of 40 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.