Greene County Roadgrade Dam 28-85-32
Key Takeaway
Greene County Roadgrade Dam 28-85-32 is classified as low hazard in Iowa. It was completed in 1986 and is 40 years old. Its primary use is other.
Physical Details
| Dam Height | 30 ft (taller than 48.2% in IA) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 140 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | IA02479 |
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
Greene County Board of Supervisors
Local Government
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Greene County Roadgrade Dam 28-85-32?
Greene County Roadgrade Dam 28-85-32 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 Greene County Roadgrade Dam 28-85-32?
Greene County Roadgrade Dam 28-85-32 is owned by Greene County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greene County Roadgrade Dam 28-85-32 built?
Greene County Roadgrade Dam 28-85-32 was completed in 1986, making it 40 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 Greene County Roadgrade Dam 28-85-32?
Greene County Roadgrade Dam 28-85-32 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 Greene County Roadgrade Dam 28-85-32?
Greene County Roadgrade Dam 28-85-32 has a dam height of 30 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.