Jalas Dam
Key Takeaway
Jalas Dam is classified as low hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 34 ft (taller than 67.4% in IA) |
| Dam Length | 696 ft |
| Dam Type | Earth |
| Max Storage | 92 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IA00834 |
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 Jalas & OBrien County
Private
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What is the hazard classification of Jalas Dam?
Jalas 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 Jalas Dam?
Jalas Dam is owned by Harry Jalas & OBrien County (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jalas Dam built?
Jalas Dam was completed in 1965, making it 61 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 Jalas Dam?
Jalas Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jalas Dam?
Jalas Dam has a dam height of 34 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.