Gustafson Lake Dam
Key Takeaway
Gustafson Lake Dam is classified as significant hazard in Iowa. It was completed in 1974 and is 52 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 49 ft (taller than 94.6% in IA) |
| Dam Length | 1,150 ft |
| Dam Type | Earth |
| Max Storage | 176 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | IA02159 |
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
Iowa Department of Transportation
State Government
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Gustafson Lake Dam?
Gustafson 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 Gustafson Lake Dam?
Gustafson Lake Dam is owned by Iowa Department of Transportation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gustafson Lake Dam built?
Gustafson Lake Dam was completed in 1974, making it 52 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 Gustafson Lake Dam?
Gustafson Lake Dam serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gustafson Lake Dam?
Gustafson Lake Dam has a dam height of 49 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 Gustafson Lake Dam last inspected?
Gustafson Lake Dam was last inspected on October 2, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.