Prehm Dam
Key Takeaway
Prehm Dam is classified as low hazard in Iowa. It was completed in 1986 and is 40 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 33 ft (taller than 63.3% in IA) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 40 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | IA02320 |
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
Arlo A Prehm
Private
Nearby Dams
Juengling/Prehm Dam
Henry, IA
Low Hazard 26 ftHilleary Dam
Des Moines, IA
Low Hazard 32 ftGeode Lake Dam
Des Moines, IA
Significant Hazard 59 ftDes Moines County Roadgrade Dam 6-69-4
Des Moines, IA
Low Hazard 26 ftMoore Dam
Henry, IA
Low Hazard 32 ftBeach Dam
Henry, IA
Low Hazard 40 ftBeach Dam
Henry, IA
Low Hazard 33 ftLowary Dam
Henry, IA
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Prehm Dam?
Prehm 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 Prehm Dam?
Prehm Dam is owned by Arlo A Prehm (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Prehm Dam built?
Prehm Dam was completed in 1986, making it 40 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 Prehm Dam?
Prehm 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 Prehm Dam?
Prehm Dam has a dam height of 33 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.