Pottawattamie CO Roadgrade Dam 8-76-42
Key Takeaway
Pottawattamie CO Roadgrade Dam 8-76-42 is classified as low hazard in Iowa. It was completed in 1968 and is 58 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 43 ft (taller than 89% in IA) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IA00933 |
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
Pottawattamie County Board of Supervisors
Local Government
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Pottawattamie CO Roadgrade Dam 8-76-42?
Pottawattamie CO Roadgrade Dam 8-76-42 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 Pottawattamie CO Roadgrade Dam 8-76-42?
Pottawattamie CO Roadgrade Dam 8-76-42 is owned by Pottawattamie County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pottawattamie CO Roadgrade Dam 8-76-42 built?
Pottawattamie CO Roadgrade Dam 8-76-42 was completed in 1968, making it 58 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 Pottawattamie CO Roadgrade Dam 8-76-42?
Pottawattamie CO Roadgrade Dam 8-76-42 serves the following purposes: 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 Pottawattamie CO Roadgrade Dam 8-76-42?
Pottawattamie CO Roadgrade Dam 8-76-42 has a dam height of 43 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.