Don Williams Lake Dam
Key Takeaway
Don Williams Lake Dam is classified as significant hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 58 ft (taller than 98.1% in IA) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 4.7K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 33 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IA00134 |
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
Boone County Conservation Board
Local Government
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What is the hazard classification of Don Williams Lake Dam?
Don Williams 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 Don Williams Lake Dam?
Don Williams Lake Dam is owned by Boone County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Don Williams Lake Dam built?
Don Williams Lake 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 Don Williams Lake Dam?
Don Williams 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 Don Williams Lake Dam?
Don Williams Lake Dam has a dam height of 58 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 Don Williams Lake Dam last inspected?
Don Williams Lake Dam was last inspected on July 7, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.