Swan Lake Dam
Key Takeaway
Swan Lake Dam is classified as low hazard in Iowa. It was completed in 1935 and is 91 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 10 ft (taller than 2.1% in IA) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 600 acre-ft |
| Normal Storage | 440 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1935 (91 years old) |
| Year Modified | 1971 |
| NID ID | IA04222 |
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
Iowa Department of Natural Resources
State Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Swan Lake Dam?
Swan 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 Swan Lake Dam?
Swan Lake Dam is owned by Iowa Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Swan Lake Dam built?
Swan Lake Dam was completed in 1935, making it 91 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 Swan Lake Dam?
Swan Lake Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Swan Lake Dam?
Swan Lake Dam has a dam height of 10 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 Swan Lake Dam last inspected?
Swan Lake Dam was last inspected on December 31, 1993. Inspection dates indicate when a formal review occurred, not the results of that inspection.