Crab Tree Lake Dam
Key Takeaway
Crab Tree Lake Dam is classified as significant hazard in Iowa. It was completed in 1948 and is 78 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 33 ft (taller than 63.3% in IA) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 800 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | IA02038 |
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
Crab Tree Lake The Harvester Golf Club
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Crab Tree Lake Dam?
Crab Tree 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 Crab Tree Lake Dam?
Crab Tree Lake Dam is owned by Crab Tree Lake The Harvester Golf Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crab Tree Lake Dam built?
Crab Tree Lake Dam was completed in 1948, making it 78 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 Crab Tree Lake Dam?
Crab Tree 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 Crab Tree Lake Dam?
Crab Tree Lake Dam has a dam height of 33 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 Crab Tree Lake Dam last inspected?
Crab Tree Lake Dam was last inspected on July 17, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.