Waubonsie Cr. Watershed Site M-1
Key Takeaway
Waubonsie Cr. Watershed Site M-1 is classified as low hazard in Iowa. It was completed in 1978 and is 48 years old. Its primary use is other.
Physical Details
| Dam Height | 42 ft (taller than 87.5% in IA) |
| Dam Length | 710 ft |
| Dam Type | Earth |
| Max Storage | 968 acre-ft |
| Normal Storage | 359 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | IA01828 |
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
Mills County SWCD
Local Government
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Low Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Waubonsie Cr. Watershed Site M-1?
Waubonsie Cr. Watershed Site M-1 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 Waubonsie Cr. Watershed Site M-1?
Waubonsie Cr. Watershed Site M-1 is owned by Mills County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Waubonsie Cr. Watershed Site M-1 built?
Waubonsie Cr. Watershed Site M-1 was completed in 1978, making it 48 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 Waubonsie Cr. Watershed Site M-1?
Waubonsie Cr. Watershed Site M-1 serves the following purposes: Other, Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Waubonsie Cr. Watershed Site M-1?
Waubonsie Cr. Watershed Site M-1 has a dam height of 42 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 Waubonsie Cr. Watershed Site M-1 last inspected?
Waubonsie Cr. Watershed Site M-1 was last inspected on July 29, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.