Woodbury County Roadgrade Dam 36-86-42
Key Takeaway
Woodbury County Roadgrade Dam 36-86-42 is classified as significant hazard in Iowa. It was completed in 1990 and is 36 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 42 ft (taller than 87.5% in IA) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 540 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | IA02580 |
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
Woodbury County Board of Supervisors
Local Government
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What is the hazard classification of Woodbury County Roadgrade Dam 36-86-42?
Woodbury County Roadgrade Dam 36-86-42 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 Woodbury County Roadgrade Dam 36-86-42?
Woodbury County Roadgrade Dam 36-86-42 is owned by Woodbury County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Woodbury County Roadgrade Dam 36-86-42 built?
Woodbury County Roadgrade Dam 36-86-42 was completed in 1990, making it 36 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 Woodbury County Roadgrade Dam 36-86-42?
Woodbury County Roadgrade Dam 36-86-42 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Woodbury County Roadgrade Dam 36-86-42?
Woodbury County Roadgrade Dam 36-86-42 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 Woodbury County Roadgrade Dam 36-86-42 last inspected?
Woodbury County Roadgrade Dam 36-86-42 was last inspected on July 11, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.