Hickory Grove Lake Dam
Key Takeaway
Hickory Grove Lake Dam is classified as significant hazard in Iowa. It was completed in 1966 and is 60 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 56 ft (taller than 97.8% in IA) |
| Dam Length | 745 ft |
| Dam Type | Earth |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 2.1K acre-ft |
| Surface Area | 107 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1966 (60 years old) |
| Year Modified | 1996 |
| NID ID | IA01019 |
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
Story County Conservation Board
Local Government
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What is the hazard classification of Hickory Grove Lake Dam?
Hickory Grove 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 Hickory Grove Lake Dam?
Hickory Grove Lake Dam is owned by Story County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hickory Grove Lake Dam built?
Hickory Grove Lake Dam was completed in 1966, making it 60 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 Hickory Grove Lake Dam?
Hickory Grove 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 Hickory Grove Lake Dam?
Hickory Grove Lake Dam has a dam height of 56 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 Hickory Grove Lake Dam last inspected?
Hickory Grove Lake Dam was last inspected on June 5, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.