White Oak Lake Dam
Key Takeaway
White Oak Lake Dam is classified as significant hazard in Iowa. It was completed in 1983 and is 43 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 82.4% in IA) |
| Dam Length | 555 ft |
| Dam Type | Earth |
| Max Storage | 393 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | IA02274 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Mahaska County Conservation Board
Local Government
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Significant Hazard 42 ftFrequently Asked Questions
What is the hazard classification of White Oak Lake Dam?
White Oak Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates White Oak Lake Dam?
White Oak Lake Dam is owned by Mahaska County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was White Oak Lake Dam built?
White Oak Lake Dam was completed in 1983, making it 43 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 White Oak Lake Dam?
White Oak Lake 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 White Oak Lake Dam?
White Oak Lake Dam has a dam height of 39 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 White Oak Lake Dam last inspected?
White Oak Lake Dam was last inspected on May 18, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.