Big Coon Subwatershed Site M-5
Key Takeaway
Big Coon Subwatershed Site M-5 is classified as low hazard in Iowa. It was completed in 2000 and is 26 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 20 ft (taller than 7.5% in IA) |
| Dam Length | 565 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | IA03434 |
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
Woodbury County SWCD
Local Government
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Big Coon Subwatershed Site M-5?
Big Coon Subwatershed Site M-5 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 Big Coon Subwatershed Site M-5?
Big Coon Subwatershed Site M-5 is owned by Woodbury County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Coon Subwatershed Site M-5 built?
Big Coon Subwatershed Site M-5 was completed in 2000, making it 26 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 Big Coon Subwatershed Site M-5?
Big Coon Subwatershed Site M-5 serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Big Coon Subwatershed Site M-5?
Big Coon Subwatershed Site M-5 has a dam height of 20 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.