Crystal Lake Dam
Key Takeaway
Crystal Lake Dam is classified as low hazard in Iowa. It was completed in 1900 and is 126 years old. Its primary use is recreation.
Physical Details
| Dam Height | 24 ft (taller than 15.8% in IA) |
| Dam Length | 490 ft |
| Dam Type | Earth |
| Max Storage | 465 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1900 (126 years old) |
| Year Modified | 1989 |
| NID ID | IA02160 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Crystal Lake Country Club Association
Private
Nearby Dams
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High Hazard 75 ftFrequently Asked Questions
What is the hazard classification of Crystal Lake Dam?
Crystal Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Crystal Lake Dam?
Crystal Lake Dam is owned by Crystal Lake Country Club Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crystal Lake Dam built?
Crystal Lake Dam was completed in 1900, making it 126 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 Crystal Lake Dam?
Crystal 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 Crystal Lake Dam?
Crystal Lake Dam has a dam height of 24 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 Crystal Lake Dam last inspected?
Crystal Lake Dam was last inspected on October 7, 1992. Inspection dates indicate when a formal review occurred, not the results of that inspection.